AUDI TT 2016 – Fuse assignment . Wiring diagrams, Pin Connector, Location

Wiring Diagram AUDI TT 2016 - Battery - Airbag control unit - Battery monitor control unit - Data bus diagnostic interface - Battery isolation igniter - Wiring junction

A	Battery
J234	Airbag control unit
J367	Battery monitor control unit
J533	Data bus diagnostic interface
N253	Battery isolation igniter, near battery
S131	Fuse 1
S132	Fuse 2
S133	Fuse 3
T2a	2-pin connector, yellow
T2b	2-pin connector, yellow
T20a	20-pin connector, black
T90a	90-pin connector, yellow
TV1	Wiring junction
B711	Connection 6 (LIN bus) in main wiring harness
*	Coupé
*2	Roadster

Wiring Diagram AUDI TT 2016 - Starter - Alternator - Voltage regulator - Radiator fan control unit - Fuse holder A - Fuse 1 in fuse holder A - Fuse 2 in fuse holder A - Fuse 3 in fuse holder A - Fuse 4 in fuse holder A - Fuse 5 in fuse holder A - Wiring junction

B	Starter
C	Alternator
C1	Voltage regulator
J293	Radiator fan control unit
J500	Power steering control unit
SA	Fuse holder A
SA1	Fuse 1 in fuse holder A
SA2	Fuse 2 in fuse holder A
SA3	Fuse 3 in fuse holder A
SA4	Fuse 4 in fuse holder A
SA5	Fuse 5 in fuse holder A
T2	2-pin connector
T2f	2-pin connector
T4ar	4-pin connector, black
T8m	8-pin connector, black
T8mx	8-pin connector
T10o	10-pin connector
T10ox	10-pin connector
T17a	17-pin connector, white
T17ex	17-pin connector, red
TALU	Coupling point on left A-pillar, bottom
TML	Coupling point in engine compartment, left
TV1	Wiring junction
D218	Connection 1 (LIN bus) in engine compartment wiring harness
*	Pre-wired component
*2	see applicable current flow diagram for engine
*3	According to equipment

Wiring Diagram AUDI TT 2016 - Fuse holder B - Fuse 16 on fuse holder B - Fuse 17 on fuse holder B - Fuse 18 on fuse holder B - Fuse 19 on fuse holder B - Fuse 20 on fuse holder B - Fuse 21 on fuse holder B

C24	Suppression filter
H12	Alarm horn
J400	Wiper motor control unit
J530	Garage door operation control unit
SB	Fuse holder B
SB16	Fuse 16 on fuse holder B
SB17	Fuse 17 on fuse holder B
SB18	Fuse 18 on fuse holder B
SB19	Fuse 19 on fuse holder B
SB20	Fuse 20 on fuse holder B
SB21	Fuse 21 on fuse holder B
T2cy	2-pin connector, black
T3v	3-pin connector
T4ab	4-pin connector
T5f	5-pin connector
131	Earth connection 2, in engine compartment wiring harness
132	Earth connection 3, in engine compartment wiring harness
*	see applicable current flow diagram for basic equipment
*2	Only models with diesel engine

Wiring Diagram AUDI TT 2016 - Main relay - Terminal 30 voltage supply relay - Fuse holder B - Fuse 3 on fuse holder B

J104	ABS control unit
J271	Main relay
J317	Terminal 30 voltage supply relay
J623	Engine control unit
SB	Fuse holder B
SB3	Fuse 3 on fuse holder B
T17a	17-pin connector, white
T17ex	17-pin connector, red
T46b	46-pin connector
T91	91-pin connector
T94	94-pin connector
TALU	Coupling point on left A-pillar, bottom
D78	Positive connection 1 (30a), in engine compartment wiring harness
D181	Connection 2 (87a) in engine compartment wiring harness
*	Only models with petrol engine
*2	Only models with diesel engine
*3	see applicable current flow diagram for engine

Wiring Diagram AUDI TT 2016 - Fuse holder B - Fuse 4 on fuse holder B

G266	Oil level and oil temperature sender
J293	Radiator fan control unit
J745	Control unit for cornering light and headlight range control
N75	Charge pressure control solenoid valve
N249	Turbocharger air recirculation valve
N316	Intake manifold flap valve
N428	Valve for oil pressure control
N522	Piston cooling jet control valve
SB	Fuse holder B
SB4	Fuse 4 on fuse holder B
T2dc	2-pin connector
T2dg	2-pin connector
T2dy	2-pin connector
T2dz	2-pin connector
T2ea	2-pin connector
T3av	3-pin connector
T4ar	4-pin connector, black
T6a	6-pin connector
T6ax	6-pin connector
T10p	10-pin connector
T10px	10-pin connector
T14b	14-pin connector
T14c	14-pin connector
T14cx	14-pin connector
T26b	26-pin connector
TML	Coupling point in engine compartment, left
D183	Connection 4 (87a) in engine compartment wiring harness
D196	Connection 2 (87a) in engine prewiring harness
*	Only models with petrol engine
*2	Only models with diesel engine

Wiring Diagram AUDI TT 2016 - Fuse holder B - Fuse 5 on fuse holder B - Fuse 6 on fuse holder B

F63	Brake pedal switch
F366	Actuator 1 for camshaft adjustment
N205	Camshaft control valve 1
N276	Fuel pressure regulating valve
N290	Fuel metering valve
N532	Injector 2, cylinder 1
SB	Fuse holder B
SB5	Fuse 5 on fuse holder B
SB6	Fuse 6 on fuse holder B
T2dd	2-pin connector, black
T2de	2-pin connector
T2df	2-pin connector
T2ei	2-pin connector
T4b	4-pin connector, black
T14b	14-pin connector
T14c	14-pin connector
T14cx	14-pin connector
T14x	14-pin connector
TML	Coupling point in engine compartment, left
D182	Connection 3 (87a) in engine compartment wiring harness
D206	Connection 4 (87a) in engine prewiring harness
*	see applicable current flow diagram for engine
*2	Only models with petrol engine
*3	Only models with diesel engine

Wiring Diagram AUDI TT 2016 - Fuse holder B - Fuse 7 on fuse holder B

N82	Coolant shut-off valve
N428	Valve for oil pressure control
N488	Coolant valve for gearbox
N489	Coolant valve for cylinder head
SB	Fuse holder B
SB7	Fuse 7 on fuse holder B
T2db	2-pin connector
T2dc	2-pin connector, black
T2er	2-pin connector
T2es	2-pin connector
T3ak	3-pin connector, black
T3al	3-pin connector, black
T3ay	3-pin connector
T8m	8-pin connector, black
T8mx	8-pin connector
T10o	10-pin connector
T10ox	10-pin connector
T10p	10-pin connector
T10px	10-pin connector
T14b	14-pin connector
T14c	14-pin connector
T14cx	14-pin connector
T14x	14-pin connector
TML	Coupling point in engine compartment, left
V50	Coolant circulation pump
V188	Charge air cooling pump
V488	Auxiliary pump for heating
D202	Connection 6 (87a) in engine compartment wiring harness
D205	Connection 3 (87a) in engine prewiring harness
D214	Connection 8 (87a) in engine compartment wiring harness
*	Only models with petrol engine
*2	Only models with manual gearbox
*3	Only models with diesel engine

Wiring Diagram AUDI TT 2016 - Fuse holder B - Fuse 8 on fuse holder B - Fuse 9 on fuse holder B

G39	Lambda probe
G70	Air mass meter
G130	Lambda probe after catalytic converter
J883	Exhaust flap control unit
J945	Exhaust flap control unit 2
N79	Heater element for crankcase breather
SB	Fuse holder B
SB8	Fuse 8 on fuse holder B
SB9	Fuse 9 on fuse holder B
T2ew	2-pin connector
T3be	3-pin connector, black
T4ao	4-pin connector
T5q	5-pin connector
T14c	14-pin connector
T14cx	14-pin connector
T17a	17-pin connector, white
T17ex	17-pin connector, red
TALU	Coupling point on left A-pillar, bottom
TML	Coupling point in engine compartment, left
D180	Connection (87a), in engine compartment wiring harness
D197	Connection 5 (87a) in engine compartment wiring harness
*	see applicable current flow diagram for engine
*2	Only models with petrol engine
*3	Only models with diesel engine

Wiring Diagram AUDI TT 2016 - Fuse holder B - Fuse 10 on fuse holder B - Fuse 13 on fuse holder B

J538	Fuel pump control unit
J743	Mechatronic unit for dual clutch gearbox
N80	Activated charcoal filter solenoid valve 1
N205	Camshaft control valve 1
N318	Exhaust camshaft control valve 1
SB	Fuse holder B
SB10	Fuse 10 on fuse holder B
SB13	Fuse 13 on fuse holder B
SB14	Fuse 14 on fuse holder B
T2df	2-pin connector
T2eb	2-pin connector
T2ec	2-pin connector
T3ax	3-pin connector
T5c	5-pin connector
T6i	6-pin connector
T17a	17-pin connector, white
T17ex	17-pin connector, red
T20h	20-pin connector
TALU	Coupling point on left A-pillar, bottom
V51	Continued coolant circulation pump
D188	Positive connection 3 (30a), in engine compartment wiring harness
D205	Connection 3 (87a) in engine prewiring harness
*	Only models with dual clutch gearbox 02E
*2	Only models with diesel engine
*3	Only models with petrol engine

Wiring Diagram AUDI TT 2016 - Starter relay 1 - Starter relay 2 - Fuse holder B - Fuse 22 on fuse holder B - Fuse 23 on fuse holder B

G476	Clutch position sender
J623	Engine control unit
J906	Starter relay 1
J907	Starter relay 2
SB	Fuse holder B
SB22	Fuse 22 on fuse holder B
SB23	Fuse 23 on fuse holder B
T5g	5-pin connector
T91	91-pin connector
T94	94-pin connector
D136	Positive connection 2 (15a), in engine compartment wiring harness
*	Only models with manual gearbox
*2	Only models with petrol engine
*3	Only models with diesel engine

Wiring Diagram AUDI TT 2016 - Secondary air pump relay - High heat output relay - Fuse holder B - Fuse 11 on fuse holder B - Fuse 12 on fuse holder B

J299	Secondary air pump relay
J360	High heat output relay
J623	Engine control unit
SB	Fuse holder B
SB11	Fuse 11 on fuse holder B
SB12	Fuse 12 on fuse holder B
T2ed	2-pin connector
T3av	3-pin connector, black
T14c	14-pin connector
T14cx	14-pin connector
T94	94-pin connector
T105	105-pin connector
TML	Coupling point in engine compartment, left
V101	Secondary air pump motor
Z35	Auxiliary air heater element
*	Only models with petrol engine
*2	Only models with diesel engine

Wiring Diagram AUDI TT 2016 - Automatic glow period control unit - Low heat output relay - Engine component current supply relay 2 - Fuse holder B

J179	Automatic glow period control unit
J359	Low heat output relay
J623	Engine control unit
J976	Engine component current supply relay 2
N70	Ignition coil 1 with output stage
N127	Ignition coil 2 with output stage
N291	Ignition coil 3 with output stage
N292	Ignition coil 4 with output stage
SB	Fuse holder B
SB24	Fuse 24 on fuse holder B
T2aw	2-pin connector
T4as	4-pin connector
T4at	4-pin connector
T4au	4-pin connector
T4av	4-pin connector
T14c	14-pin connector
T14cx	14-pin connector
T91	91-pin connector
T94	94-pin connector
TML	Coupling point in engine compartment, left
Z35	Auxiliary air heater element
D189	Connection (87a) in engine prewiring harness
*	Only models with diesel engine
*2	Only models with petrol engine

Wiring Diagram AUDI TT 2016 - Horn relay - Relay for reducing agent metering system - Fuse holder B - Fuse 15 on fuse holder B - Fuse holder C

H2	Treble horn
H7	Bass horn
J413	Horn relay
J519	Onboard supply control unit
J963	Relay for reducing agent metering system
SB	Fuse holder B
SB15	Fuse 15 on fuse holder B
SC	Fuse holder C
T2co	2-pin connector
T2cp	2-pin connector
T10h	10-pin connector
T17f	17-pin connector
T46a	46-pin connector
TALU	Coupling point on left A-pillar, bottom
TSFHL	Coupling point on rear left bumper
B322	Positive connection 8 (30a) in main wiring harness
D235	Connection (dual tone horn), in engine compartment wiring harness
*	According to equipment
*2	Only models with reducing agent metering system

Wiring Diagram AUDI TT 2016 - Fuse holder C - Fuse 1 on fuse holder C - Fuse 4 on fuse holder C - Fuse 5 on fuse holder C

E380	Multimedia system operating unit
J533	Data bus diagnostic interface
J794	Control unit 1 for information electronics
SC	Fuse holder C
SC1	Fuse 1 on fuse holder C
SC4	Fuse 4 on fuse holder C
SC5	Fuse 5 on fuse holder C
T6h	6-pin connector
T18b	18-pin connector
T20a	20-pin connector
T20i	20-pin connector
TSFHL	Coupling point on rear left bumper
B319	Positive connection 5 (30a) in main wiring harness

Wiring Diagram AUDI TT 2016 - Fuse holder C - Fuse 6 on fuse holder C - Fuse 7 on fuse holder C - Fuse 8 on fuse holder C

E1	Light switch
E313	Selector lever
E538	Electromechanical parking brake button
G397	Rain and light sensor
G578	Anti-theft alarm sensor
J255	Climatronic control unit
J502	Tyre Pressure Monitoring System control unit
J528	Roof electronics control unit
SC	Fuse holder C
SC6	Fuse 6 on fuse holder C
SC7	Fuse 7 on fuse holder C
SC8	Fuse 8 on fuse holder C
T3a	3-pin connector
T4c	4-pin connector
T4ci	4-pin connector, grey
T4d	4-pin connector
T10l	10-pin connector, black
T12c	12-pin connector
T16	16-pin connector
T16a	16-pin connector, brown
T20c	20-pin connector
U31	Diagnostic connection
B316	Positive connection 2 (30a) in main wiring harness
B317	Positive connection 3 (30a) in main wiring harness
*	For models with anti-theft alarm system
*2	Only models with rain and light sensor
*3	Only models with Tyre Pressure Monitoring System

Wiring Diagram AUDI TT 2016 - Fuse holder C - Fuse 9 on fuse holder C - Fuse 10 on fuse holder C - Fuse 11 on fuse holder C - Fuse 12 on fuse holder C - Fuse 13 on fuse holder C - Fuse 14 on fuse holder C

J126	Fresh air blower control unit
J250	Electronically controlled damping control unit
J492	All-wheel drive control unit
J525	Digital sound package control unit
J527	Steering column electronics control unit
J794	Control unit 1 for information electronics
SC	Fuse holder C
SC9	Fuse 9 on fuse holder C
SC10	Fuse 10 on fuse holder C
SC11	Fuse 11 on fuse holder C
SC12	Fuse 12 on fuse holder C
SC13	Fuse 13 on fuse holder C
SC14	Fuse 14 on fuse holder C
T4ad	4-pin connector
T6k	6-pin connector
T6kx	6-pin connector
T8c	8-pin connector, black
T17a	17-pin connector, yellow
T18b	18-pin connector
T47a	47-pin connector
THRM	Coupling point in luggage compartment, centre
*	Only models with all-wheel drive
*2	Only models with Bang & Olufsen sound system
*3	Only models with adaptive suspension
*4	Only models with Audi sound system

Wiring Diagram AUDI TT 2016 - Fuse holder C - Fuse 31 on fuse holder C - Fuse 38 on fuse holder C - Fuse 39 on fuse holder C - Fuse 41 on fuse holder C - Fuse 42 on fuse holder C

J387	Front passenger door control unit
J519	Onboard supply control unit
J909	Control unit for fuel tank leak detection
SC	Fuse holder C
SC31	Fuse 31 on fuse holder C
SC38	Fuse 38 on fuse holder C
SC39	Fuse 39 on fuse holder C
SC41	Fuse 41 on fuse holder C
SC42	Fuse 42 on fuse holder C
T5o	5-pin connector
T5ox	5-pin connector
T5p	5-pin connector
T20g	20-pin connector
T27b	27-pin connector
T27bx	27-pin connector
T73a	73-pin connector
T73c	73-pin connector
THRR	Coupling point in luggage compartment, right
TTVR	Coupling point on front right door
*	see applicable current flow diagram for convenience system
*2	Only models with US equipment
*3	Only models with reducing agent metering system

Wiring Diagram AUDI TT 2016 - Relay for power sockets - Fuse holder C - Fuse 40 on fuse holder C - Fuse 53 on fuse holder C

E538	Electromechanical parking brake button
E540	Auto-hold button
F4	Reversing light switch
G805	Pressure sender for refrigerant circuit
J530	Garage door operation control unit
J807	Relay for power sockets
SC	Fuse holder C
SC40	Fuse 40 on fuse holder C
SC53	Fuse 53 on fuse holder C
T2cm	2-pin connector
T3ae	3-pin connector
T3af	3-pin connector
T3b	3-pin connector
T16a	16-pin connector, brown
T17a	17-pin connector, white
T17ex	17-pin connector, red
TALU	Coupling point on left A-pillar, bottom
U5	12 V socket
U18	12 V socket 2
B278	Positive connection 2 (15a) in main wiring harness
B680	Connection (electric socket), in interior wiring harness
D106	Connection 4 in engine compartment wiring harness
*	Only models with garage door opener

Wiring Diagram AUDI TT 2016 - Terminal 15 voltage supply relay - Fuse holder C - Fuse 32 on fuse holder C - Fuse 33 on fuse holder C

J234	Airbag control unit
J329	Terminal 15 voltage supply relay
J446	Parking aid control unit
J519	Onboard supply control unit
J528	Roof electronics control unit
J706	Seat occupied recognition control unit
J769	Lane change assist control unit
J770	Lane change assist control unit 2
J791	Park assist steering control unit
R242	Front camera for driver assist systems
SC	Fuse holder C
SC32	Fuse 32 on fuse holder C
SC33	Fuse 33 on fuse holder C
T3ad	3-pin connector, black
T10i	10-pin connector
T10ix	10-pin connector, black
T12b	12-pin connector
T12c	12-pin connector
T12g	12-pin connector, black
T12h	12-pin connector, black
T26a	26-pin connector, black
T73a	73-pin connector
T90a	90-pin connector, yellow
TSFHL	Coupling point on rear left bumper
B279	Positive connection 3 (15a) in main wiring harness
B280	Positive connection 4 (15a) in main wiring harness
X171	Connection (15), rear bumper wiring harness
*	Only for driver assist systems
*2	Only models with lane change assist
*3	see applicable current flow diagram for parking aid (PDC)
*4	Only for American markets

Wiring Diagram AUDI TT 2016 - Air quality sensor - Fuse holder C - Fuse 34 on fuse holder C - Fuse 35 on fuse holder C - Fuse 36 on fuse holder C - Diagnostic connection

E461	Operating unit in front of centre console
G238	Air quality sensor
J431	Headlight range control unit
MX2	Front right headlight
SC	Fuse holder C
SC34	Fuse 34 on fuse holder C
SC35	Fuse 35 on fuse holder C
SC36	Fuse 36 on fuse holder C
T3ah	3-pin connector
T8a	8-pin connector, black
T14a	14-pin connector
T16	16-pin connector
T17d	17-pin connector
T17dx	17-pin connector
T20b	20-pin connector, red
T26b	26-pin connector
TALU	Coupling point on left A-pillar, bottom
U31	Diagnostic connection
Y7	Automatic anti-dazzle interior mirror
B281	Positive connection 5 (15a) in main wiring harness
D52	Positive connection (15a), in engine compartment wiring harness
*	Only models with air quality sensor
*2	Only models with automatic anti-dazzle interior mirror

Wiring Diagram AUDI TT 2016 - Fuse holder C - Fuse 37 on fuse holder C - Fuse 47 on fuse holder C - Fuse 48 on fuse holder C - Fuse 49 on fuse holder C - Fuse 50 on fuse holder C

J104	ABS control unit
MX1	Front left headlight
SC	Fuse holder C
SC37	Fuse 37 on fuse holder C
SC47	Fuse 47 on fuse holder C
SC48	Fuse 48 on fuse holder C
SC49	Fuse 49 on fuse holder C
SC50	Fuse 50 on fuse holder C
T14b	14-pin connector
T17a	17-pin connector, white
T17c	17-pin connector
T17cx	17-pin connector
T17d	17-pin connector
T17dx	17-pin connector
T17ex	17-pin connector, red
T46b	46-pin connector
TALU	Coupling point on left A-pillar, bottom

Wiring Diagram AUDI TT 2016 - Fuse holder C - Fuse 3 on fuse holder C - Fuse 15 on fuse holder C - Fuse 16 on fuse holder C

J104	ABS control unit
J676	Chip card reader control unit
J764	Control unit for electronic steering column lock
R78	TV tuner
R86	Aerial amplifier for mobile telephone
R126	Telephone bracket
SC	Fuse holder C
SC3	Fuse 3 on fuse holder C
SC15	Fuse 15 on fuse holder C
SC16	Fuse 16 on fuse holder C
T4bv	4-pin connector
T4bw	4-pin connector
T4l	4-pin connector
T10u	10-pin connector
T12l	12-pin connector
T17b	17-pin connector
T17bx	17-pin connector, red
T46b	46-pin connector
TALU	Coupling point on left A-pillar, bottom
B318	Positive connection 4 (30a) in main wiring harness

Wiring Diagram AUDI TT 2016 - Fuse holder C - Fuse 17 on fuse holder C - Fuse 18 on fuse holder C - Fuse 19 on fuse holder C - Fuse 20 on fuse holder C

E176	Driver seat lumbar support adjustment switch
E177	Front passenger seat lumbar support adjustment switch
J285	Control unit in dash panel insert
J518	Entry and start authorisation control unit
J772	Reversing camera system control unit
J843	Interface control unit for vehicle location system
N209	Lumbar support adjustment valve block on driver side
N210	Lumbar support adjustment valve block on front passenger side
SC	Fuse holder C
SC17	Fuse 17 on fuse holder C
SC18	Fuse 18 on fuse holder C
SC19	Fuse 19 on fuse holder C
SC20	Fuse 20 on fuse holder C
T6l	6-pin connector
T6m	6-pin connector
T8d	8-pin connector
T10c	10-pin connector
T10cx	10-pin connector
T10e	10-pin connector
T10ex	10-pin connector
T12e	12-pin connector
T32a	32-pin connector
T40a	40-pin connector
TSVL	Coupling point for front left seat
TSVR	Coupling point for front right seat
B315	Positive connection 1 (30a) in main wiring harness
B320	Positive connection 6 (30a) in main wiring harness
B321	Positive connection 7 (30a) in main wiring harness
*	Only models with reversing camera system
*2	Only models with entry and start authorisation
*3	Only models with interface for special functions
*4	Electrically adjustable driver and front passenger seats
*5	Only models with adjustable lumbar support

Wiring Diagram AUDI TT 2016 - Fuse holder C - Fuse 21 on fuse holder C - Fuse 22 on fuse holder C - Fuse 23 on fuse holder C - Fuse 25 on fuse holder C - Fuse 26 on fuse holder C - Fuse 28 on fuse holder C

J386	Driver door control unit
J519	Onboard supply control unit
J847	Control unit for right neck heating
R199	Connection for external audio sources
SC	Fuse holder C
SC21	Fuse 21 on fuse holder C
SC22	Fuse 22 on fuse holder C
SC23	Fuse 23 on fuse holder C
SC24	Fuse 24 on fuse holder C
SC25	Fuse 25 on fuse holder C
SC26	Fuse 26 on fuse holder C
SC27	Fuse 27 on fuse holder C
SC28	Fuse 28 on fuse holder C
T4bo	4-pin connector
T6ao	6-pin connector
T10f	10-pin connector
T10fx	10-pin connector
T20f	20-pin connector
T27a	27-pin connector
T27ax	27-pin connector
T73a	73-pin connector
TSVR	Coupling point for front right seat
TTVL	Coupling point on front left door
*	see applicable current flow diagram for convenience system
*2	Roadster

Wiring Diagram AUDI TT 2016 - Fuse holder C - Fuse 29 on fuse holder C - Fuse 43 on fuse holder C - Fuse 44 on fuse holder C - Fuse 45 on fuse holder C - Fuse 46 on fuse holder C

E26	Glove compartment light switch
E470	Driver seat adjustment operating unit
F147	Driver vanity mirror contact switch
F148	Front passenger vanity mirror contact switch
J519	Onboard supply control unit
J528	Roof electronics control unit
J846	Control unit for left neck heating
SC	Fuse holder C
SC29	Fuse 29 on fuse holder C
SC43	Fuse 43 on fuse holder C
SC44	Fuse 44 on fuse holder C
SC45	Fuse 45 on fuse holder C
SC46	Fuse 46 on fuse holder C
T2cj	2-pin connector
T2ha	2-pin connector
T3w	3-pin connector
T4bn	4-pin connector
T10c	10-pin connector
T10cx	10-pin connector
T10d	10-pin connector
T10dx	10-pin connector
T12c	12-pin connector
T73c	73-pin connector
TSVL	Coupling point for front left seat
B470	Connection 6, in main wiring harness
B559	Positive connection 1 (30g) in main wiring harness
*	Electrically adjustable driver and front passenger seats

Wiring Diagram AUDI TT 2016 - Heated rear window relay - Relay for neck heating - Front passenger seat adjustment thermal fuse 1

E471	Front passenger seat adjustment operating unit
J9	Heated rear window relay
J519	Onboard supply control unit
J989	Relay for neck heating
S46	Front passenger seat adjustment thermal fuse 1
T10e	10-pin connector
T10ex	10-pin connector
T73c	73-pin connector, black
TSVR	Coupling point for front right seat
Z1	Heated rear window
367	Earth connection 2, in main wiring harness
B470	Connection 6, in main wiring harness
*	Roadster
*2	Coupé

Wiring Diagram AUDI TT 2016 - Heated rear window relay - Fuse holder D - Fuse 1 on fuse holder D - Fuse 2 on fuse holder D - Fuse holder F - Fuse 1 in fuse holder F - Fuse 2 in fuse holder F

J9	Heated rear window relay
J256	Convertible roof actuation control unit
SD	Fuse holder D
SD1	Fuse 1 on fuse holder D
SD2	Fuse 2 on fuse holder D
SF	Fuse holder F
SF1	Fuse 1 in fuse holder F
SF2	Fuse 2 in fuse holder F
T6e	6-pin connector
Z1	Heated rear window
B323	Positive connection 9 (30a) in main wiring harness
*	Roadster

AUDI TT 2016 Overview of control units in middle part of vehicle

Overview of control units in middle part of vehicle

q	Connector assignment

q	Connector assignment

q	Connector assignment

q	Connector assignment

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q	Connector assignment

q	Connector assignment

q	Connector assignment

q	Connector assignment

q	Connector assignment

q	Connector assignment

q	Connector assignment

q	Connector assignment

Fuel pump control unit -J538-

q	Fitting location

q	Connector assignment

q	Connector assignment

q	Connector assignment

q	Connector assignment

q	Connector assignment

q	Connector assignment

q	Connector assignment

Parking aid control unit -J446- /park assist steering control unit -J791-

q	Fitting location

q	Connector assignment

q	Connector assignment

21 -	Headlight range control unit -J431-

q	Fitting location, left-hand drive models

q	Connector assignment

q	Connector assignment

q	Connector assignment

AUDI TT 2016 Overview of convertible roof control units, roadster

Overview of convertible roof control units, roadster

q	Connector assignment

3 -	Convertible roof actuation motor 2 -V576-

q	Fitting location

q	Connector assignment

q	Connector assignment

5 -	Convertible roof actuation motor -V82-

q	Fitting location

q	Connector assignment

6 -	Convertible roof front switch -F202-

q	Fitting location: Near convertible roof actuation motor -V82-

8 -	Control unit for seat belt microphone -J886-

q	Fitting location

q	Connector assignment

AUDI TT 2016 Fitting location, fresh air blower control unit J126 Fitting location, fresh air blower control unit -J126- Fitting location Behind the glove compartment, centre.

1 -	Fresh air blower control unit -J126-

B -	4-pin connector -T4ad- , black

AUDI TT 2016 Fitting location, airbag control unit J234 Fitting location, airbag control unit -J234- Fitting location Under front of centre console.

1 -	Airbag control unit -J234-

.

AUDI TT 2016 Fitting location, electronically controlled damping control unit J250

Fitting location, electronically controlled damping control unit -J250-

Fitting location

Under front right seat.

   

1 -	Electronically controlled damping control unit -J250-

Connector assignment, electronically controlled damping control unit -J250-

   

-T47a- (A)	Designation		-T47a- (A)	Designation
1	Terminal 15, from B277 positive connection 1 (15a) in main wiring harness onboard supply control unit -J519-		25
2	Rear left vehicle level sender -G76-		26
3	Front right vehicle level sender -G289-		27	Front right shock absorber damping adjustment valve -N337-
4			28	Front right shock absorber damping adjustment valve -N337-
5	Rear right vehicle level sender -G77-		29
6	Front left vehicle level sender -G78-		30	Front left shock absorber damping adjustment valve -N336-
7			31	Front left shock absorber damping adjustment valve -N336-
8			32
9			33	Rear left vehicle level sender -G76-
10			34	Front right vehicle level sender -G289-
11			35	Rear right vehicle level sender -G77-
12			36	Front left vehicle level sender -G78-
13			37	Chassis/dash panel insert CAN bus, low B677 connection 2 (chassis/dash panel insert CAN bus, low) in main wiring harness data bus diagnostic interface -J533-
14			38	Chassis/dash panel insert CAN bus, high B673 connection 2 (chassis/dash panel insert CAN bus, high) in main wiring harness data bus diagnostic interface -J533-
15			39
16	Terminal 31, to 683 earth point on front side member, right		40
17	Rear left vehicle level sender -G76-		41
18	Front right vehicle level sender -G289-		42	Rear left shock absorber damping adjustment valve -N338-
19			43	Rear left shock absorber damping adjustment valve -N338-
20	Rear right vehicle level sender -G77-		44
21	Front left vehicle level sender -G78-		45	Rear right shock absorber damping adjustment valve -N339-
22			46	Rear right shock absorber damping adjustment valve -N339-
23			47	Terminal 30, from fuse holder C -SC- fuse 3 -S133-
24

Back to overview . AUDI TT 2016 Fitting location, Climatronic control unit J255 Fitting location, Climatronic control unit -J255- Fitting location Behind glove compartment, left.

1 -	Climatronic control unit -J255-

B -	16-pin connector -T16e- , brown

D -	12-pin connector -T12d- , black

Connector assignment, Climatronic control unit -J255-

-T16d- (A)	Designation		-T16e- (B)	Designation
1	Left temperature flap control motor -V158-		1	5V output, to L2 connection in air conditioning system wiring harness potentiometer for front air distribution flap control motor -G642- potentiometer for fresh air/air recirculation, air flow flap control motor -G644- potentiometer for left temperature flap control motor -G220- potentiometer for right temperature flap control motor -G221- potentiometer for defroster flap control motor -G135-
2	Left temperature flap control motor -V158-		2	Potentiometer for left temperature flap control motor -G220-
3	Defroster flap control motor -V107-		3	Potentiometer for right temperature flap control motor -G221-
4	Defroster flap control motor -V107-		4	Potentiometer for defroster flap control motor -G135-
5	Front air distribution flap control motor -V426-		5	Potentiometer for front air distribution flap control motor -G642-
6	Front air distribution flap control motor -V426-		6
7			7	Potentiometer for fresh air/air recirculation, air flow flap control motor -G644-
8			8	Footwell vent temperature sender -G192-
9	Fresh air/air recirculation, air flow flap control motor -V425-		9
10	Fresh air/air recirculation, air flow flap control motor -V425-		10
11	Right temperature flap control motor -V159-		11	Evaporator output temperature sender -G263-
12	Right temperature flap control motor -V159-		12
13			13
14			14	Earth, to 97 earth connection 1 in air conditioning system wiring harness potentiometer for front air distribution flap control motor -G642- potentiometer for fresh air/air recirculation, air flow flap control motor -G644- potentiometer for left temperature flap control motor -G220- potentiometer for right temperature flap control motor -G221- potentiometer for defroster flap control motor -G135- footwell vent temperature sender -G192- evaporator output temperature sender -G263-
15			15
16			16

-T20c- (C)	Designation		-T12d- (D)	Designation
1	Sunlight penetration photosensor -G107- Sunlight penetration photosensor 2 -G134-		1	Dash panel temperature sensor -G56-
2			2	Dash panel temperature sensor -G56-
3	Sunlight penetration photosensor -G107- Sunlight penetration photosensor 2 -G134-		3	Dash panel temperature sensor -G56-
4	Terminal 30, to B469 connection 5 in main wiring harness operating and display unit 2 for air conditioning system -E775- operating and display unit 3 for air conditioning system -E776- operating and display unit 4 for air conditioning system -E777- operating and display unit 1 for air conditioning system -E774- operating and display unit 5 for air conditioning system -E778-		4	Dash panel temperature sensor -G56-
5	Comfort CAN bus, high to B398 connection 2 (comfort CAN bus, high) in main wiring harness data bus diagnostic interface -J533-		5	Potentiometer for front right defroster and chest vent shut-off flap control motor -G317-
6	Comfort CAN bus, low to B407 connection 2 (comfort CAN bus, low) in main wiring harness data bus diagnostic interface -J533-		6	Potentiometer for front right defroster and chest vent shut-off flap control motor -G317-
7	Earth, to 379 earth connection 14 in main wiring harness operating and display unit 2 for air conditioning system -E775- operating and display unit 3 for air conditioning system -E776- operating and display unit 4 for air conditioning system -E777- operating and display unit 1 for air conditioning system -E774- operating and display unit 5 for air conditioning system -E778-		7	Defroster button -E782-
8			8	Defroster warning lamp -K285-
9	5V output, to B369 connection 1 (5V) in main wiring harness sunlight penetration photosensor -G107- sunlight penetration photosensor 2 -G134- control motor for right side window defroster flap -V410- control motor for right side window defroster flap -V409-		9	Heated rear window button -E230-
10	Potentiometer for front left defroster and chest vent shut-off flap control motor -G318-		10	Heated rear window warning lamp -K10-
11	Potentiometer for front left defroster and chest vent shut-off flap control motor -G318-		11	Earth, to 378 earth connection 13 in main wiring harness defroster button -E782- heated rear window button -E230-
12	Potentiometer for front left defroster and chest vent shut-off flap control motor -G318-		12	Potentiometer for front right defroster and chest vent shut-off flap control motor -G317-
13	Left vent temperature sender -G150- (LHD) Right vent temperature sender -G151- (RHD)
14
15	LIN bus, to B710 connection 5 (LIN bus) in main wiring harness operating and display unit 2 for air conditioning system -E775- operating and display unit 3 for air conditioning system -E776- operating and display unit 4 for air conditioning system -E777- operating and display unit 1 for air conditioning system -E774- operating and display unit 5 for air conditioning system -E778-
16	LIN bus, to B699 connection 4 (LIN bus) in main wiring harness fresh air blower control unit -J126- D108 connection 6 in engine compartment wiring harness pressure sender for refrigerant circuit -G805- humidity sender in fresh air intake duct -G657- , air quality sensor -G238-
17	Sensors earth, to 377 earth connection 12 in main wiring harness
18	Air conditioner compressor regulating valve -N280-
19	Terminal 31, to 372 earth connection 7 in main wiring harness 687 earth point 1 on centre tunnel
20	Terminal 30, from fuse holder C -SC- fuse 3 -S133-

Back to overview . AUDI TT 2016 Fitting location, control unit in dash panel insert J285 Fitting location, control unit in dash panel insert -J285- Fitting location In driver side dash panel. The control unit in the dash panel insert -J285- is also a display.

1 -	Control unit in dash panel insert -J285-

B -	2-pin connector -T2d- , MOST bus, black

Connector assignment, control unit in dash panel insert -J285-

   

-T32a- (C)	Designation		-T32a- (C)	Designation
1	Ring break diagnosis, B444 connection 1 (diagnosis) in main wiring harness		17
2			18
3	Comfort CAN bus, low to B406 connection 1 (comfort CAN bus, low) in main wiring harness B407 connection 2 (comfort CAN bus, low) in main wiring harness data bus diagnostic interface -J533-		19
4	Comfort CAN bus, high to B397 connection 1 (comfort CAN bus, high) in main wiring harness B398 connection 2 (comfort CAN bus, high) in main wiring harness data bus diagnostic interface -J533-		20
5	Sender earth, to 410 earth connection 1 (sender earth) in main wiring harness fuel gauge sender -G- fuel level sender 2 -G169-		21
6	Fuel gauge sender -G-		22
7	Fuel gauge sender -G-		23
8	Dash panel insert operating buttons -E493-		24
9	Fuel level sender 2 -G169-		25
10	Fuel level sender 2 -G169-		26
11			27
12			28
13			29
14			30	Terminal 31, to 376 earth connection 11 in main wiring harness 370 earth connection 5 in main wiring harness 687 earth point 1 on centre tunnel
15	Immobiliser reader coil -D2-		31
16	Immobiliser reader coil -D2-		32	Terminal 30, from fuse holder C -SC-

Back to overview . AUDI TT 2016 Fitting location, driver door control unit J386 Fitting location, driver door control unit -J386- Fitting location In driver door.

1 -	Driver door control unit -J386-

B -	20-pin connector -T20f- , black

D -	32-pin connector -T32f- , blue

Connector assignment, driver door control unit -J386-

-T6l- (A)	Designation		-T6l- (A)	Designation
1			4
2			5
3	Driver side window regulator motor -V147-		6	Driver side window regulator motor -V147-

-T20f- (B)	Designation		-T16f- (C)	Designation		-T32f- (D)	Designation
1	Driver door lock unit -VX21- Driver side contact switch in lock cylinder -F241-		1			1	Central locking SAFELOCK function warning lamp -K133-
2	Microswitch for lowering driver window -E621-		2	Driver side exterior mirror -VX4- Driver side automatic anti-dazzle exterior mirror -Y20-		2
3			3	Terminal 31, to Z1 connection 1 in mirror adjustment - mirror heating wiring harness driver side exterior mirror -VX4- heated exterior mirror on driver side -Z4- driver side turn signal repeater bulb -L131-		3	Driver side door interior handle illumination bulb -L146-
4			4	Terminal 31, mirror adjustment potentiometer driver side exterior mirror -VX4-		4	Terminal 58s, to R52 connection (58s) in driver side door wiring harness alarm system off switch -E217- operating unit for window regulator in driver door -E512- mirror adjustment switch -E43- driver side interior locking button for central locking system -E308- switch illumination bulb -L156-
5	Driver door lock unit -VX21- Driver door contact switch -F2-		5	Driver side exterior mirror -VX4- Driver side mirror adjustment motor -V17- Driver side mirror adjustment motor -V149-		5	Terminal 31, to 267 earth connection 2 in driver side door wiring harness
6	Driver door lock unit -VX21- Front left central locking actuator -F131-		6	Driver side exterior mirror -VX4- Driver side automatic anti-dazzle exterior mirror -Y20-		6
7	Terminal 31 CL, to driver door lock unit -VX21- driver door contact switch -F2- front left central locking actuator -F131- driver side contact switch in lock cylinder -F241-		7	Driver side exterior mirror -VX4- Driver side mirror adjustment motor -V17-		7
8	Mirror signal from B427 connection 1 (mirror signal) in main wiring harness automatic anti-dazzle interior mirror -Y7-		8	Driver side exterior mirror -VX4- Driver side mirror adjustment motor -V149-		8	R94 Connection 1 in front passenger side door wiring harness Driver door storage compartment illumination bulb -L160- Driver door ambient lighting bulb -L164-
9			9	Driver side exterior mirror -VX4- Driver side fold-in mirror motor -V121-		9
10			10	Driver side exterior mirror -VX4- Driver side fold-in mirror motor -V121-		10	Alarm system off switch -E217-
11	Driver door lock unit -VX21- Driver door central locking SAFELOCK function motor -V161- Driver door central locking motor -V56-		11	Driver side exterior mirror -VX4- Driver side turn signal repeater bulb -L131-		11
12	Driver door lock unit -VX21- Driver door central locking SAFELOCK function motor -V161-		12			12
13	Front passenger door lock unit -VX21- Driver door central locking motor -V56-		13	Driver side exterior mirror -VX4- Potentiometer for vertical adjustment of driver side mirror -G515-		13	Terminal 58d, to driver side interior locking button for central locking system -E308-
14	Comfort CAN bus, low to B407 connection 2 (comfort CAN bus, low) in main wiring harness data bus diagnostic interface -J533-		14	Supply, mirror adjustment potentiometer Driver side exterior mirror -VX4-		14
15	Comfort CAN bus, high to B398 connection 2 (comfort CAN bus, high) in main wiring harness data bus diagnostic interface -J533-		15	Driver side exterior mirror -VX4- heated exterior mirror on driver side -Z4-		15
16			16	Driver side exterior mirror -VX4- Potentiometer for horizontal adjustment of driver side mirror -G514-		16	Terminal 58, to R65 positive connection (58) in driver-side door wiring harness Driver side door warning lamp -W30- Front left entry light -W31-
17	Mirror signal from B428 connection 2 (mirror signal) in main wiring harness automatic anti-dazzle interior mirror -Y7-					17
18						18
19	Terminal 30, from fuse holder C -SC- fuse 3 -S133-					19
20	Terminal 31, to 206 earth connection in front passenger side door wiring harness 373 earth connection 8 in main wiring harness 43 earth point on right A-pillar, bottom					20	Alarm system off switch -E217- Interior monitoring switch -E183-
						21	Terminal 31, to 267 earth connection 2 in driver side door wiring harness
						22
						23
						24	Mirror adjustment switch -E43-
						25	Mirror adjustment switch -E43- Adjustment switch for mirror with fold-in feature -E168- Mirror adjustment changeover switch -E48-
						26
						27
						28	Driver side interior locking button for central locking system -E308-
						29
						30
						31	Operating unit for window regulator in driver door -E512- Front right window regulator switch in driver door -E81-
						32	Operating unit for window regulator in driver door -E512- Front right window regulator switch -E40-

Back to overview . AUDI TT 2016 Fitting location, front passenger door control unit J387 Fitting location, front passenger door control unit -J387- Fitting location In front passenger door.

1 -	Front passenger door control unit -J387-

B -	20-pin connector -T20g- , black

D -	32-pin connector -T32g- , blue

Connector assignment, front passenger door control unit -J387-

-T6m- (A)	Designation		-T6m- (A)	Designation
1			4
2			5
3	Front passenger side window regulator motor -V148-		6	Front passenger side window regulator motor -V148-

-T20g- (B)	Designation		-T16g- (C)	Designation		-T32g- (D)	Designation
1			1			1
2	Microswitch for lowering front passenger window -E622-		2	Front passenger side exterior mirror -VX5- Front passenger side automatic anti-dazzle exterior mirror -Y21-		2
3			3	Terminal 31, to Z2 connection 2 in mirror adjustment - mirror heating wiring harness front passenger side exterior mirror -VX5- heated exterior mirror on front passenger side -Z5- front passenger side turn signal repeater bulb -L132-		3	Front passenger side door interior handle illumination bulb -L147-
4			4	Terminal 31, mirror adjustment potentiometer front passenger side exterior mirror -VX5-		4	Terminal 58s, to R53 connection (58s) in front passenger side door wiring harness front passenger side interior locking button for central locking system -E309- window regulator switch in front passenger door -E107- switch illumination bulb -L156-
5	Front passenger door lock unit -VX22- Front passenger door contact switch -F3-		5	Front passenger side exterior mirror -VX5- Front passenger side mirror adjustment motor -V25- Front passenger side mirror adjustment motor -V150-		5	Terminal 31, to window regulator switch in front passenger door -E107- 268 earth connection 2 in front passenger side door wiring harness
6	Front passenger door lock unit -VX22- Front right central locking actuator -F133-		6	Front passenger side exterior mirror -VX5- Front passenger side automatic anti-dazzle exterior mirror -Y21-		6
7	Terminal 31 CL, to front passenger door lock unit -VX22- front passenger door contact switch -F3- front right central locking actuator -F133-		7	Front passenger side exterior mirror -VX5- Front passenger side mirror adjustment motor -V25-		7
8	Mirror signal from B427 connection 1 (mirror signal) in main wiring harness automatic anti-dazzle interior mirror -Y7-		8	Front passenger side exterior mirror -VX5- Front passenger side mirror adjustment motor -V150-		8	R98 connection 1 in front passenger side door wiring harness front passenger door storage compartment illumination bulb -L161- front passenger door ambient lighting bulb -L165-
9			9	Front passenger side exterior mirror -VX5- Front passenger side fold-in mirror motor -V122-		9
10			10	Front passenger side exterior mirror -VX5- Front passenger side fold-in mirror motor -V122-		10
11	Front passenger door lock unit -VX22- Front passenger door central locking SAFELOCK function motor -V162- Front passenger seat central locking motor -V57-		11	Front passenger side exterior mirror -VX5- Front passenger side turn signal repeater bulb -L132-		11
12	Front passenger door lock unit -VX22- Front passenger door central locking SAFELOCK function motor -V162-		12			12
13	Front passenger door lock unit -VX22- Front passenger seat central locking motor -V57-		13	Front passenger side exterior mirror -VX5- Potentiometer for vertical adjustment of front passenger side mirror -G517-		13	Terminal 58d, to front passenger side interior locking button for central locking system -E309-
14	Comfort CAN bus, low to B407 connection 2 (comfort CAN bus, low) in main wiring harness data bus diagnostic interface -J533-		14	Supply, mirror adjustment potentiometer Front passenger side exterior mirror -VX5-		14
15	Comfort CAN bus, high to B398 connection 2 (comfort CAN bus, high) in main wiring harness data bus diagnostic interface -J533-		15	Front passenger side exterior mirror -VX5- Heated exterior mirror on front passenger side -Z5-		15
16			16	Front passenger side exterior mirror -VX5- Potentiometer for horizontal adjustment of front passenger side mirror -G516-		16	Terminal 58, to R67 positive connection (58) in front passenger side door wiring harness front right entry light -W32- front passenger side door warning lamp -W36-
17	Mirror signal from B428 connection 2 (mirror signal) in main wiring harness automatic anti-dazzle interior mirror -Y7-					17
18						18
19	Terminal 30, from fuse holder C -SC- fuse 3 -S133-					19
20	Terminal 31, to 206 earth connection in front passenger side door wiring harness 373 earth connection 8 in main wiring harness 43 earth point on right A-pillar, bottom					20
						21
						22
						23
						24
						25
						26
						27
						28
						29
						30
						31
						32	Window regulator switch in front passenger door -E107-

Back to overview . AUDI TT 2016 Fitting location, headlight range control unit J431 Fitting location, headlight range control unit -J431- , left-hand drive models Fitting location Behind dash panel on driver side.

1 -	Headlight range control unit -J431-

Connector assignment, headlight range control unit -J431-

   

-T26b- (A)	Designation		-T26b- (A)	Designation
1			14
2	Extended CAN bus, high to E135 connection (extended CAN bus, high) in engine compartment wiring harness B108 connection 1 (extended CAN bus, high) in main wiring harness data bus diagnostic interface -J533-		15	Control unit for left daytime running light and side light -J860- Left headlight range control motor -V48-
3	Extended CAN bus, low to E136 connection (extended CAN bus, low) in engine compartment wiring harness B109 connection 1 (extended CAN bus, low) in main wiring harness data bus diagnostic interface -J533-		16	Control unit for right daytime running light and side light -J861- Right headlight range control motor -V49-
4	CAN bus, to D178 connection 2 (high bus) in engine compartment wiring harness front left headlight -MX1- /front right headlight -MX2- , LED, matrix beam		17	Control unit for right daytime running light and side light -J861- Right headlight range control motor -V49-
5	CAN bus, to D179 connection 2 (low bus) in engine compartment wiring harness front left headlight -MX1- /front right headlight -MX2- , LED, matrix beam		18	Control unit for right daytime running light and side light -J861- Right headlight range control motor -V49-
6			19	Control unit for right daytime running light and side light -J861- Right headlight range control motor -V49-
7	Rear left vehicle level sender -G76-		20	Control unit for left daytime running light and side light -J860- Left headlight range control motor -V48-
8	Terminal 56, from D152 positive connection 1 (56b) in engine compartment wiring harness onboard supply control unit -J519-		21	Control unit for left daytime running light and side light -J860- Left headlight range control motor -V48-
9			22	Control unit for left daytime running light and side light -J860- Left headlight range control motor -V48-
10	Rear left vehicle level sender -G76-		23	Terminal 15, from D200 positive connection 3 (15a) in engine compartment wiring harness fuse holder C -SC-
11	Rear left vehicle level sender -G76-		24	Terminal 31, to 131 earth connection 2 in engine compartment wiring harness 132 earth connection 3 in engine compartment wiring harness 671 earth point 1 on front side member, left
12			25
13			26

Back to overview . Fitting location, headlight range control unit -J431- , right-hand drive models Fitting location On right behind driver side dash panel.

1 -	Headlight range control unit -J431-

A -	26-pin connector -T26b- , black

Connector assignment, headlight range control unit -J431-

-T26b- (A)	Designation		-T26b- (A)	Designation
1			14
2	Extended CAN bus, high to E135 connection (extended CAN bus, high) in engine compartment wiring harness B108 connection 1 (extended CAN bus, high) in main wiring harness data bus diagnostic interface -J533-		15	Control unit for left daytime running light and side light -J860- Left headlight range control motor -V48-
3	Extended CAN bus, low to E136 connection (extended CAN bus, low) in engine compartment wiring harness B109 connection 1 (extended CAN bus, low) in main wiring harness data bus diagnostic interface -J533-		16	Control unit for right daytime running light and side light -J861- Right headlight range control motor -V49-
4	CAN bus, to D178 connection 2 (high bus) in engine compartment wiring harness front left headlight -MX1- /front right headlight -MX2- , LED, matrix beam		17	Control unit for right daytime running light and side light -J861- Right headlight range control motor -V49-
5	CAN bus, to D179 connection 2 (low bus) in engine compartment wiring harness front left headlight -MX1- /front right headlight -MX2- , LED, matrix beam		18	Control unit for right daytime running light and side light -J861- Right headlight range control motor -V49-
6			19	Control unit for right daytime running light and side light -J861- Right headlight range control motor -V49-
7	Rear left vehicle level sender -G76-		20	Control unit for left daytime running light and side light -J860- Left headlight range control motor -V48-
8	Terminal 56, from D152 positive connection 1 (56b) in engine compartment wiring harness onboard supply control unit -J519-		21	Control unit for left daytime running light and side light -J860- Left headlight range control motor -V48-
9			22	Control unit for left daytime running light and side light -J860- Left headlight range control motor -V48-
10	Rear left vehicle level sender -G76-		23	Terminal 15, from D200 positive connection 3 (15a) in engine compartment wiring harness fuse holder C -SC-
11	Rear left vehicle level sender -G76-		24	Terminal 31, to 131 earth connection 2 in engine compartment wiring harness 132 earth connection 3 in engine compartment wiring harness 671 earth point 1 on front side member, left
12			25
13			26

Back to overview . AUDI TT 2016 Fitting location, parking aid control unit -J446- /park assist steering control unit -J791- Fitting location Behind dash panel on driver side.

1 -	Parking aid control unit -J446- /park assist steering control unit -J791-

B -	26-pin connector -T26a- , black

Connector assignment of parking aid control unit -J446- /park assist steering control unit -J791-

-T18a- (A)	Designation		-T18a- (A)	Designation
1			10	Earth to 348 earth connection (parking aid) in front bumper wiring harness front left parking aid sender -G255- front centre left parking aid sender -G254- front centre right parking aid sender -G253- front right parking aid sender -G252- front left sender for park assist steering on left side of vehicle -G568- front right sender for park assist steering on right side of vehicle -G569-
2	Front left sender for park assist steering on left side of vehicle -G568-		11	Front left parking aid sender -G255-
3	Front centre left parking aid sender -G254-		12	Front centre right parking aid sender -G253-
4	Front right parking aid sender -G252-		13	Front right sender for park assist steering on right side of vehicle -G569-
5			14	Voltage supply to X65 connection (parking aid) in front bumper wiring harness front left parking aid sender -G255- front centre left parking aid sender -G254- front centre right parking aid sender -G253- front right parking aid sender -G252- front left sender for park assist steering on left side of vehicle -G568- front right sender for park assist steering on right side of vehicle -G569-
6			15
7			16
8			17
9			18

-T26a- (B)	Designation		-T26a- (B)	Designation
1			14	Terminal 15, from B279 positive connection 3 (15a) in main wiring harness fuse holder C -SC-
2	Front parking aid warning buzzer -H22-		15	Rear parking aid warning buzzer -H15-
3	Park assist steering button -E581-		16	Parking aid button -E266-
4	Warning light for park assist steering -K241-		17	Parking aid warning lamp -K136-
5			18	Voltage supply to X68 connection (parking aid) in rear bumper wiring harness rear left park assist steering sender -G716- rear right park assist steering sender -G717- rear left parking aid sender -G203- rear centre left parking aid sender -G204- rear centre right parking aid sender -G205- rear right parking aid sender -G206-
6	Rear left parking aid sender -G203-		19	Rear left park assist steering sender -G716-
7	Rear centre right parking aid sender -G205-		20	Rear centre left parking aid sender -G204-
8	Rear right park assist steering sender -G717-		21	Rear right parking aid sender -G206-
9	Rear parking aid warning buzzer -H15-		22	Earth to 352 earth connection (parking aid) in rear bumper wiring harness rear left park assist steering sender -G716- rear right park assist steering sender -G717- rear left parking aid sender -G203- rear centre left parking aid sender -G204- rear centre right parking aid sender -G205- rear right parking aid sender -G206-
10	Front parking aid warning buzzer -H22-		23	Chassis/dash panel insert CAN bus, low B677 connection 2 (chassis/dash panel insert CAN bus, low) in main wiring harness data bus diagnostic interface -J533-
11			24	Chassis/dash panel insert CAN bus, high B673 connection 2 (chassis/dash panel insert CAN bus, high) in main wiring harness data bus diagnostic interface -J533-
12			25
13	Terminal 31, to 372 earth connection 7 in main wiring harness 687 earth point 1 on centre tunnel		26

Back to overview . AUDI TT 2016 Fitting location, entry and start authorisation control unit J518 Fitting location, entry and start authorisation control unit -J518- , except USA Fitting location On right behind driver side dash panel.

1 -	Entry and start authorisation control unit -J518-

Connector assignment, entry and start authorisation control unit -J518-

   

-T40a- (A)	Designation		-T40a- (A)	Designation
1			21	Rear right aerial for entry and start authorisation -R166-
2			22	Rear left aerial for entry and start authorisation -R165-
3			23	Luggage compartment aerial for entry and start system -R137-
4			24	Rear left aerial for entry and start authorisation -R165-
5	Comfort CAN bus, low to B407 connection 2 (comfort CAN bus, low) in main wiring harness data bus diagnostic interface -J533-		25
6	Comfort CAN bus, high to B398 connection 2 (comfort CAN bus, high) in main wiring harness data bus diagnostic interface -J533-		26	Onboard supply control unit -J519-
7	Entry and start authorisation button -E408-		27	Onboard supply control unit -J519-
8	Operating unit in front of centre console -E461- Entry and start authorisation button -E408-		28
9			29
10			30	Terminal 30, from fuse holder C -SC- fuse 2 -S132-
11	from coupling point on front left door -TTVL- contact sensor for front left exterior door handle -G605-		31	Entry and start authorisation aerial -R249-
12	from coupling point on front right door -TTVR- driver door exterior handle contact sensor -G415-		32	Rear right aerial for entry and start authorisation -R166-
13			33	Luggage compartment aerial for entry and start system -R137-
14			34	Entry and start authorisation aerial -R249-
15	to coupling point on left A-pillar, bottom -TALU- engine control unit -J623-		35	Onboard supply control unit -J519-
16			36	Interior aerial 1 for entry and start system -R138-
17	Terminal 31, to 372 earth connection 7 in main wiring harness 687 earth point 1 on centre tunnel		37	Interior aerial 2 for entry and start system -R139-
18			38	Interior aerial 1 for entry and start system -R138-
19	Entry and start authorisation button -E408-		39	Interior aerial 2 for entry and start system -R139-
20			40	Onboard supply control unit -J519-

Back to overview . Fitting location, entry and start authorisation control unit -J518- , USA only Fitting location Behind glove compartment, on air conditioner unit.

1 -	Entry and start authorisation control unit -J518-

A -	40-pin connector -T40a- , black

Connector assignment, entry and start authorisation control unit -J518-

-T40a- (A)	Designation		-T40a- (A)	Designation
1			21	Rear right aerial for entry and start authorisation -R166-
2			22	Rear left aerial for entry and start authorisation -R165-
3			23	Luggage compartment aerial for entry and start system -R137-
4			24	Rear left aerial for entry and start authorisation -R165-
5	Comfort CAN bus, low to B407 connection 2 (comfort CAN bus, low) in main wiring harness data bus diagnostic interface -J533-		25
6	Comfort CAN bus, high to B398 connection 2 (comfort CAN bus, high) in main wiring harness data bus diagnostic interface -J533-		26	Onboard supply control unit -J519-
7	Entry and start authorisation button -E408-		27	Onboard supply control unit -J519-
8	Operating unit in front of centre console -E461- Entry and start authorisation button -E408-		28
9			29
10			30	Terminal 30, from fuse holder C -SC- fuse 2 -S132-
11	from coupling point on front left door -TTVL- contact sensor for front left exterior door handle -G605-		31	Entry and start authorisation aerial -R249-
12	from coupling point on front right door -TTVR- driver door exterior handle contact sensor -G415-		32	Rear right aerial for entry and start authorisation -R166-
13			33	Luggage compartment aerial for entry and start system -R137-
14			34	Entry and start authorisation aerial -R249-
15	to coupling point on left A-pillar, bottom -TALU- engine control unit -J623-		35	Onboard supply control unit -J519-
16			36	Interior aerial 1 for entry and start system -R138-
17	Terminal 31, to 372 earth connection 7 in main wiring harness 687 earth point 1 on centre tunnel		37	Interior aerial 2 for entry and start system -R139-
18			38	Interior aerial 1 for entry and start system -R138-
19	Entry and start authorisation button -E408-		39	Interior aerial 2 for entry and start system -R139-
20			40	Onboard supply control unit -J519-

Back to overview . Fitting location, onboard supply control unit -J519- Fitting location Behind dash panel on left.

1 -	Onboard supply control unit -J519-

B -	46-pin connector -T46a- , black

Connector assignment, onboard supply control unit -J519-

   

-T73a- (A)	Designation		-T73a- (A)	Designation		-T73a- (A)	Designation
1			26			51
2			27			52	Rear lid lock unit -VX25- Rear lid contact switch for anti-theft alarm -F123-
3	Tank filler flap locking motor -V155-		28	LIN bus, to B698 connection 3 (LIN bus) in main wiring harness light switch -E1- humidity sender -G355- light and rain sensor -G397-		53	Rear lid lock unit -VX25- Contact switch in lock cylinder for rear lid, anti-theft alarm system and central locking system -F124-
4	Tank filler flap locking motor -V155-		29	Light switch -E1-		54	Entry and start authorisation control unit -J518-
5			30			55
6			31			56
7			32	Release button for rear lid lock cylinder -F248-		57	B468 connection 4 in main wiring harness suppression filter -C24- additional brake light bulb -M25-
8			33			58
9	Rear lid lock unit -VX25- Rear lid central locking motor -V53-		34			59	B132 connection (licence plate light) in interior wiring harness licence plate light -X-
10			35			60	Left brake light bulb -M9-
11	Reversing light, to B107 connection (reversing light) in main wiring harness		36			61
12	Terminal 31, to 366 earth connection 1 in main wiring harness 367 earth connection 2 in main wiring harness 639 earth point on left A-pillar		37			62
13	Terminal 15, to terminal 15 voltage supply relay -J329-		38			63	Terminal 31, to 366 earth connection 1 in main wiring harness 367 earth connection 2 in main wiring harness 639 earth point on left A-pillar
14	Terminal 15, to B277 positive connection 1 (15a) in main wiring harness		39			64	Right reversing light bulb -M17-
15	LIN bus, to B528 connection 1 (LIN bus) in main wiring harness		40			65	Right tail light bulb -M2-
16	Comfort CAN bus, high to B397 connection 1 (comfort CAN bus, high) in main wiring harness B398 connection 2 (comfort CAN bus, high) in main wiring harness		41			66	Terminal 30, from fuse holder C -SC- fuse 2 -S132-
17	Comfort CAN bus, low to B406 connection 1 (comfort CAN bus, low) in main wiring harness B398 connection 2 (comfort CAN bus, low) in main wiring harness		42			67
18			43			68
19			44	Entry and start authorisation control unit -J518-		69
20	Powertrain CAN bus, low to B390 connection 1 (powertrain CAN bus, low) in main wiring harness		45			70
21	Powertrain CAN bus, high to B383 connection 1 (powertrain CAN bus, high) in main wiring harness		46			71	Rear left turn signal bulb -M6-
22			47	Entry and start authorisation control unit -J518-		72	Rear left fog light bulb -L46-
23			48			73	Terminal 30, from fuse holder C -SC- fuse 3 -S133-
24			49	Centre dash panel switch module -EX22- Adjustable rear spoiler switch -E127-
25			50

-T46a- (B)	Designation		-T46a- (B)	Designation
1	Right dipped beam		24	Horn relay -J413-
2	Right main beam		25
3			26
4			27	Ambient temperature sensor -G17-
5	Right fog light		28	Windscreen washer fluid level sender -G33-
6	Left cornering light		29
7	Windscreen and rear window washer pump -V59-		30	LIN bus, to windscreen wiper motor -V-
8			31
9	D101 connection 1 in engine compartment wiring harness left washer jet heater element -Z20- right washer jet heater element -Z21-		32	Control unit for left daytime running light and side light -J860-
10			33
11	Reversing light switch -F4-		34
12	D53 connection (right brake pad wear indicator) in engine compartment wiring harness front right brake pad wear sender -G35-		35
13	Brake fluid level warning contact -F34-		36
14	D103 connection 3 in engine compartment wiring harness bonnet contact switch -F266- bonnet contact switch 2 -F329-		37
15			38
16	Coolant shortage indicator switch -F66-		39	Left main beam, output module 1 for left LED headlight -A31-
17			40
18			41
19	Sender earth to 327 earth connection (sender earth) in engine compartment wiring harness		42
20	Front left turn signal, front left turn signal bulb -M5-		43
21			44	Right cornering light
22			45	Left fog light
23			46	Headlight washer system pump -V11-

-T73c- (C)	Designation		-T73c- (C)	Designation		-T73c- (C)	Designation
1	Terminal 30, from fuse holder C -SC- fuse 3 -S133-		26			51	Centre dash panel switch module -EX22- Start/Stop operation warning lamp -K259-
2			27			52
3			28			53
4			29			54
5	Left dipped beam, to D152 positive connection 1 (56b) in engine compartment wiring harness		30			55
6	Rear right fog light bulb -L47-		31	Rear right turn signal bulb -M8-		56
7			32			57
8	Right brake light bulb -M10-		33			58	Terminal 54, from D73 positive connection (54) in engine compartment wiring harness brake light switch -F- brake pedal switch -F63-
9	B466 connection 2 in main wiring harness luggage compartment light on left -W18- luggage compartment light on right -W35-		34	Centre dash panel switch module -EX22- Driving mode selection button -E735-		59
10	Left tail light bulb -M4-		35			60	Centre dash panel switch module -EX22- Start/Stop operation button -E693-
11			36			61
12	Terminal 30g, to fuse holder C -SC- B559 positive connection 1 (30g) in main wiring harness glove compartment light switch -E26- front roof module -WX3-		37			62	Terminal 58s, to B731 connection 1 (58s) in main wiring harness
13			38			63	Terminal 31, to 366 earth connection 1 in main wiring harness 367 earth connection 2 in main wiring harness 639 earth point on left A-pillar
14	Entry and start authorisation control unit -J518-		39			64
15			40			65
16	Terminal 31, to 683 earth point on front side member, right		41			66
17			42	Centre dash panel switch module -EX22- Hazard warning lights button -E229-		67	Front roof module -WX3-
18			43			68
19			44			69
20			45			70
21			46			71
22			47	Centre dash panel switch module -EX22- Rear spoiler position warning lamp -K242-		72
23			48	Centre dash panel switch module -EX22- Indicator lamp for hazard warning light -K6-		73	Terminal 30, from fuse holder C -SC- fuse 2 -S132-
24	Heated rear window relay -J9-		49
25			50

Back to overview . AUDI TT 2016 Fitting location, digital sound package control unit J525 Fitting location, digital sound package control unit -J525- Fitting location Under front left seat.

1 -	Digital sound package control unit -J525-

B -	38-pin connector -T38- , black

Connector assignment, digital sound package control unit -J525-

-T38- (B)	Designation		-T38- (B)	Designation
1	Terminal 30, from fuse holder C -SC- fuse 3 -S133-		20	Front right bass loudspeaker -R23-
2	Terminal 31, to 639 earth point on left A-pillar		21	Front right bass loudspeaker -R23-
3			22	Front right bass loudspeaker -R23-
4	Front left mid-range loudspeaker -R103-		23	Front right treble loudspeaker -R22-
5	Front left mid-range loudspeaker -R103-		24	Front left treble loudspeaker -R20-
6	Centre loudspeaker 2 -R219-		25	Rear left treble loudspeaker -R14-
7	Front left bass loudspeaker -R21-		26	Rear right treble loudspeaker -R16-
8	Front left bass loudspeaker -R21-		27
9	Front left bass loudspeaker -R21-		28	Centre loudspeaker -R208-
10	Front left bass loudspeaker -R21-		29	Internal microphone -R74- Microphone unit in front roof module -R164-
11	Rear left bass loudspeaker -R15-		30
12	Rear left bass loudspeaker -R15-		31	Front right treble loudspeaker -R22-
13	Rear right bass loudspeaker -R17-		32	Front left treble loudspeaker -R20-
14	Rear right bass loudspeaker -R17-		33	Rear left treble loudspeaker -R14-
15			34	Rear right treble loudspeaker -R16-
16	Front right mid-range loudspeaker -R104-		35
17	Front right mid-range loudspeaker -R104-		36	Centre loudspeaker -R208-
18	Centre loudspeaker 2 -R219-		37	Internal microphone -R74- Microphone unit in front roof module -R164-
19	Front right bass loudspeaker -R23-		38	Ring break diagnosis, B444 connection 1 (diagnosis) in main wiring harness

Back to overview . AUDI TT 2016 Fitting location, steering column electronics control unit J527 Fitting location, steering column electronics control unit -J527- Fitting location On steering column.

1 -	Steering column electronics control unit -J527-

Connector assignment, steering column electronics control unit -J527-

   

-T17a- (A)	Designation		-T17a- (A)	Designation
1	Terminal 30, from fuse holder C -SC-		10
2	LIN bus, to data bus diagnostic interface -J533-		11
3	Comfort CAN bus, high to B397 connection 1 (comfort CAN bus, high) in main wiring harness B398 connection 2 (comfort CAN bus, high) in main wiring harness data bus diagnostic interface -J533-		12
4	Comfort CAN bus, low to B406 connection 1 (comfort CAN bus, low) in main wiring harness B407 connection 2 (comfort CAN bus, low) in main wiring harness data bus diagnostic interface -J533-		13
5			14
6	Selector lever -E313- Selector lever sensors control unit -J587-		15
7	Engine control unit -J623-		16
8			17	Terminal 31, to 367 earth connection 2 in main wiring harness 639 earth point on left A-pillar
9

Back to overview .

AUDI TT 2016 Fitting location, roof electronics control unit J528

Fitting location, roof electronics control unit -J528-

Fitting location

In front roof module -WX3- .

1 -	Roof electronics control unit -J528-

B -	3-pin connector -T3b- , black

q	for garage door operating unit -E284-

D -	12-pin connector -T12c- , black

q	for roof electronics control unit -J528-

Connector assignment of roof electronics control unit -J528-

-T12c- (D)	Designation		-T12c- (D)	Designation
1			7	Automatic anti-dazzle interior mirror -Y7-
2			8	Terminal 30, from fuse holder C -SC-
3			9	Onboard supply control unit -J519-
4	Airbag control unit -J234-		10	Terminal 31, to 639 earth point on left A-pillar
5	Airbag control unit -J234-		11	Terminal 58s, to B731 connection 1 (58s) in main wiring harness
6	Airbag control unit -J234-		12	Terminal 30, from B559 positive connection 1 (30g) in main wiring harness

Back to overview .

AUDI TT 2016 Fitting location, data bus diagnostic interface J533 Fitting location, data bus diagnostic interface -J533- Fitting location Behind dash panel on driver side.

1 -	Data bus diagnostic interface -J533-

Connector assignment, data bus diagnostic interface -J533-

   

-T20a- (A)	Designation		-T20a- (A)	Designation
1	Terminal 30, from terminal 15 voltage supply relay -J329-		11	Terminal 31, to 376 earth connection 11 in main wiring harness 370 earth connection 5 in main wiring harness 639 earth point on left A-pillar
2			12
3	LIN bus, to B711 connection 6 (LIN bus) in main wiring harness		13	LIN bus, to steering column electronics control unit -J527-
4			14	Terminal 15, from B277 positive connection 1 (15a) in main wiring harness onboard supply control unit -J519-
5	Comfort CAN bus, low to B407 connection 2 (comfort CAN bus, low) in main wiring harness		15	Comfort CAN bus, high to B398 connection 2 (comfort CAN bus, high) in main wiring harness
6	Powertrain CAN bus, low to B390 connection 1 (powertrain CAN bus, low) in main wiring harness		16	Powertrain CAN bus, high to B383 connection 1 (powertrain CAN bus, high) in main wiring harness
7	Extended CAN bus, low to B109 connection 1 (extended CAN bus, low) in main wiring harness		17	Extended CAN bus, high to B108 connection 1 (extended CAN bus, high) in main wiring harness
8	Chassis/dash panel insert CAN bus, low B677 connection 2 (chassis/dash panel insert CAN bus, low) in main wiring harness		18	Chassis/dash panel insert CAN bus, high B673 connection 2 (chassis/dash panel insert CAN bus, high) in main wiring harness
9	Diagnosis CAN bus, low to B714 connection 1 (diagnosis CAN bus, low) in main wiring harness diagnostic connection -U31-		19	Diagnosis CAN bus, high to B713 connection 1 (diagnosis CAN bus, high) in main wiring harness diagnostic connection -U31-
10	Infotainment CAN bus, low to B421 connection 1 (infotainment CAN bus, low) in main wiring harness		20	Infotainment CAN bus, high to B415 connection 1 (infotainment CAN bus, high) in main wiring harness

Back to overview . AUDI TT 2016 Fitting location, fuel pump control unit J538 Fitting location, fuel pump control unit -J538- Fitting location Under rear seat bench.

1 -	Fuel pump control unit -J538-

q	with fuel gauge sender -G- , fuel system pressurisation pump -G6- , fuel gauge sender 2 -G169-

B -	6-pin connector -T6i- , black

q	models with diesel engine only

Connector assignment, fuel pump control unit -J538- Petrol engine

-T5o- (A)	Designation
1	Fuel system pressurisation pump -G6-
2	Fuel system pressurisation pump -G6-
3	Terminal 30, from fuse holder B -SB-
4	Terminal 31, to 375 earth connection 10 in main wiring harness 730 earth point 1 on rear right wheel housing
5	Engine control unit -J623-

Diesel engine

-T6i- (B)	Designation
1	Fuel system pressurisation pump -G6-
2	Fuel system pressurisation pump -G6-
3	Fuel system pressurisation pump -G6-
4	Terminal 31, to 375 earth connection 10 in main wiring harness 730 earth point 1 on rear right wheel housing
5	Terminal 30, from fuse holder B -SB-
6	Engine control unit -J623-

Back to overview . AUDI TT 2016 Fitting location, chip card reader control unit J676 Fitting location, chip card reader control unit -J676- Fitting location In glove compartment.

1 -	Chip card reader control unit -J676-

A -	4-pin connector -T4ca- , brown

B -	10-pin connector -T10u- , black

C -	2-pin connector -T2gy- , yellow

Connector assignment, chip card reader control unit -J676-

-T4ca- (A)	Designation		-T2gy- (C)	Designation
1	USB connection holder -R193-		1	Dedicated short-range communication aerial -R269-
2	USB connection holder -R193-		2	Dedicated short-range communication aerial -R269-
3	USB connection holder -R193-
4	USB connection holder -R193-
5	USB connection holder -R193- Screen earth

-T10u- (B)	Designation		-T10u- (B)	Designation
1	Traffic data aerial -R173-		6	LIN bus, to B699 connection 4 (LIN bus) in main wiring harness Climatronic control unit -J255-
2	Traffic data aerial -R173-		7	Traffic data aerial -R173-
3	Traffic data aerial -R173-		8	Traffic data aerial -R173-
4	Traffic data aerial -R173-		9	Terminal 30, from B318 positive connection 4 (30a) in main wiring harness fuse holder C -SC-
5			10	Terminal 31, to 477 earth connection (audio) in main wiring harness 687 earth point 1 on centre tunnel

Back to overview .

AUDI TT 2016 Fitting location, seat occupied recognition control unit J706

Fitting location, seat occupied recognition control unit -J706-

Fitting location

under front passenger seat.

1 -	Seat occupied recognition control unit -J706-

B -	3-pin connector -T3ad-

Connector assignment, seat occupied recognition control unit -J706-

-T10v- (A)	Designation		-T3ad- (B)	Designation
1			1	Terminal 15, from fuse holder C -SC-
2	Screen earth		2	Airbag control unit -J234-
3	Terminal 31, to 35 earth point under front passenger seat		3	Terminal 31, to 95 earth connection 1 in seat adjustment wiring harness
4	Terminal 31, to 136 earth connection 2 in seat heating wiring harness
5
6	Heated front passenger seat -Z8-
7
8	Heated front passenger seat -Z8-
9
10	Positive supply, from O14 connection 3 in seat heating wiring harness

Back to overview .

AUDI TT 2016 Fitting location, control unit for electronic steering column lock J764

Fitting location, control unit for electronic steering column lock -J764-

Fitting location

On top of the steering column.

1 -	Control unit for electronic steering column lock -J764-

Connector assignment of control unit for electronic steering column lock -J764-

   

-T4l- (A)	Designation
1	Comfort high CAN bus, to B397 connection 1 (comfort high CAN bus) in main wiring harness
2	Comfort low CAN bus to B406 connection 1 (comfort low CAN bus) in main wiring harness
3	Terminal 30, from fuse holder C -SC-
4	Terminal 31, to 639 earth point on left A-pillar

Back to overview . AUDI TT 2016 Fitting location, control unit 1 for information electronics J794 Fitting location, control unit 1 for information electronics -J794- Fitting location In glove compartment.

1 -	Control unit 1 for information electronics -J794-

A -	2-pin connector -T2gg- , aerial connection, LTE, Bordeaux, LTE aerial 1 -R297-

D -	8-pin connector -T8q- , black

F -	12-pin connector -T12n- , green

H -	8-pin connector -T8p- , brown

K -	4-pin connector -T4aa- , grey, display unit for front information display and operating unit control unit -J685-

M -	4-pin connector -T4bl- , aerial connection, AM/FM, white, aerial amplifier -R24-

Connector assignment, control unit 1 for information electronics -J794-

   

-T8g- (D)	Designation		-T8p- (H)	Designation
9			1	Rear right treble loudspeaker -R16- Rear right bass loudspeaker -R17-
10	Centre loudspeaker -R208-		2	Front right treble loudspeaker -R22- Front right bass loudspeaker -R23-
11			3	Front left treble loudspeaker -R20- Front left bass loudspeaker -R21-
12			4	Rear left treble loudspeaker -R14- Rear left bass loudspeaker -R15-
13			5	Rear right treble loudspeaker -R16- Rear right bass loudspeaker -R17-
14	Centre loudspeaker -R208-		6	Front right treble loudspeaker -R22- Front right bass loudspeaker -R23-
17	Terminal 31, to 383 earth connection 18 in main wiring harness 687 earth point 1 on centre tunnel		7	Front left treble loudspeaker -R20- Front left bass loudspeaker -R21-
18	Terminal 30, from fuse holder C -SC-		8	Rear left treble loudspeaker -R14- Rear left bass loudspeaker -R15-

-T12m- (E)	Designation		-T12n- (F)	Designation
1	Display and operation CAN bus, low B751 connection 1 (display and operation CAN bus, low) display unit for front information display and operating unit control unit -J685- multimedia system operating unit -E380-		1	Connection for external audio sources -R199-
2	Multimedia system operating unit -E380-		2	Connection for external audio sources -R199-
3	Ring circuit break diagnostic wire B444 connection 1 (diagnosis) in main wiring harness		3	Connection for external audio sources -R199-
4			4
5	Telephone bracket -R126- B478 connection 14 in main wiring harness		5
6	Infotainment CAN bus, high B415 connection 1 (infotainment CAN bus, high) in main wiring harness		6
7	Display and operation CAN bus, high B750 connection 1 (display and operation CAN bus, high) display unit for front information display and operating unit control unit -J685- multimedia system operating unit -E380-		7	Connection for external audio sources -R199-
8	Multimedia system operating unit -E380-		8	Screen earth, connection for external audio sources -R199-
9			9
10			10
11	Telephone bracket -R126-		11
12	Infotainment CAN bus, low B421 connection 1 (infotainment CAN bus, low) in main wiring harness		12

-T12i- (G)	Designation		-T12i- (G)	Designation
1	Telephone microphone -R38- , coupé Belt microphone control unit -J886- , roadster		7	Telephone microphone -R38- , coupé Screen earth, control unit for seat belt microphone -J886- , roadster
2	Screen earth, control unit for seat belt microphone -J886- , roadster		8	Control unit for seat belt microphone -J886- , roadster
3			9
4			10
5			11
6	Reversing camera system control unit -J772-		12	Reversing camera system control unit -J772-

Back to overview .

AUDI TT 2016 Fitting location Main beam assist control unit J844

Fitting location Main beam assist control unit -J844-

Fitting location

On interior mirror.

1 -	Main beam assist control unit -J844-

Connector assignment of main beam assist control unit -J844-

-T8a- (A)	Designation		-T8a- (A)	Designation
1	Terminal 15, from fuse holder C -SC-		5	Mirror dimming signal line, to B428 connection 2 (mirror signal) in main wiring harness
2	Terminal 31, to 639 earth point on left A-pillar		6
3	Extended high CAN bus, to B108 connection 1 (extended high CAN bus) in main wiring harness		7
4	Mirror dimming signal line, to B427 connection 1 (mirror signal) in main wiring harness		8	Extended CAN bus, low, from B109 connection 1 (extended CAN bus, low) in main wiring harness

Back to overview .

AUDI TT 2016 Fitting location, exhaust flap control unit J883 Fitting location, exhaust flap control unit -J883- Fitting location On exhaust pipe, near front cross member.

1 -	Exhaust flap control unit -J883-

Connector assignment, exhaust flap control unit -J883-

   

-T5h- (A)	Designation
1	D109 connection 7 in engine compartment wiring harness engine control unit -J623-
2	Engine control unit -J623-
3	419 earth connection 11 in engine compartment wiring harness engine control unit -J623-
4	Engine control unit -J623-
5	Engine control unit -J623-

Back to overview . AUDI TT 2016 Fitting location, control unit for seat belt microphone J886 Fitting location, control unit for seat belt microphone -J886- Fitting location Under front of centre console.

1 -	Control unit for seat belt microphone -J886-

Connector assignment, control unit for seat belt microphone -J886-

   

-T32d- (A)	Designation		-T32d- (A)	Designation
1	Microphone unit in front roof module -R164- Telephone microphone -R38-		17	Microphone unit in front roof module -R164- Telephone microphone -R38-
2	Microphone 1 on driver side -R224-		18	Microphone 1 on front passenger side -R227-
3	Microphone 1 on driver side -R224-		19	Microphone 1 on front passenger side -R227-
4	Microphone 1 on driver side -R224-		20	Microphone 1 on front passenger side -R227-
5	Microphone 1 on driver side -R224-		21	Microphone 1 on front passenger side -R227-
6	Microphone 1 on driver side -R224-		22	Microphone 1 on front passenger side -R227-
7	Microphone 1 on driver side -R224-		23	Microphone 1 on front passenger side -R227-
8	Terminal 31, to 372 earth connection 7 in main wiring harness 687 earth point 1 on centre tunnel		24
9	Control unit 1 for information electronics -J794-		25	Control unit 1 for information electronics -J794-
10	Control unit 1 for information electronics -J794-		26	Control unit 1 for information electronics -J794-
11			27
12			28
13			29
14	Terminal 30, from B318 positive connection 4 (30a) in main wiring harness fuse holder C -SC- fuse 2 -S132-		30
15			31
16	Infotainment CAN bus, high B415 connection 1 (infotainment CAN bus, high) in main wiring harness data bus diagnostic interface -J533-		32	Infotainment CAN bus, low B421 connection 1 (infotainment CAN bus, low) in main wiring harness data bus diagnostic interface -J533-

Back to overview . AUDI TT 2016 Fitting location, front camera for driver assist systems R242 Fitting location, front camera for driver assist systems -R242- Fitting location Near interior mirror.

1 -	Front camera for driver assist systems -R242-

Fitting location, front camera for driver assist systems -R242-

   

-T12b- (A)	Designation		-T12b- (A)	Designation
1			7
2	Extended CAN bus, low to B109 connection 1 (extended CAN bus, low) in main wiring harness data bus diagnostic interface -J533-		8	Extended CAN bus, high to B108 connection 1 (extended CAN bus, high) in main wiring harness data bus diagnostic interface -J533-
3			9
4	Windscreen heater for lane departure warning -Z67-		10
5	Terminal 31, to 369 earth connection 4 in main wiring harness 370 earth connection 5 in main wiring harness 639 earth point on left A-pillar		11
6	Terminal 15, from B279 positive connection 3 (15a) in main wiring harness		12

Back to overview . AUDI TT 2016 Fitting location, convertible roof actuation motor -V82- /convertible roof actuation motor 2 -V576- Fitting location On lower rear left and right convertible roof linkages.

1 -	Convertible roof actuation motor -V82- /convertible roof actuation motor 2 -V576-

10-pin connector -T10s- , black/10-pin connector -T10g- , black

Connector assignment, convertible roof actuation motor -V82- /convertible roof actuation motor 2 -V576-

-T10s- (A)	Designation		-T10g- (A)	Designation
1			1
2			2
3			3
4			4
5	Terminal 31, to 387 earth connection 22 in main wiring harness 368 earth connection 3 in main wiring harness 729 earth point on rear left wheel housing		5	Terminal 31, to 387 earth connection 22 in main wiring harness 368 earth connection 3 in main wiring harness 729 earth point on rear left wheel housing
6	M32 connection 1 in convertible roof actuation wiring harness convertible roof actuation control unit -J256-		6	M32 connection 1 in convertible roof actuation wiring harness convertible roof actuation control unit -J256-
7	Convertible roof actuation control unit -J256-		7	Convertible roof actuation control unit -J256-
8	Convertible roof actuation control unit -J256-		8	Convertible roof actuation control unit -J256-
9	Convertible roof actuation control unit -J256-		9	Convertible roof actuation control unit -J256-
10	Convertible roof actuation control unit -J256-		10	Convertible roof actuation control unit -J256-

Back to overview . AUDI TT 2016 Fitting location, cabriolet windbreak motor V186 Fitting location, cabriolet windbreak motor -V186- Fitting location On rear of windbreak in centre.

1 -	Cabriolet windbreak motor -V186-

Connector assignment, cabriolet windbreak motor -V186-

   

-T3bi- (A)	Designation
1
2	Convertible roof actuation control unit -J256-
3	Convertible roof actuation control unit -J256-

Back to overview . AUDI TT 2016 Fitting location, convertible roof lock motor V223 Fitting location, convertible roof lock motor -V223- Fitting location Behind cover near front interior light -W1- .

1 -	Convertible roof lock motor -V223-

Connector assignment, convertible roof lock motor -V223-

   

-T4ch- (A)	Designation
1	Convertible roof actuation control unit -J256-
2
3	Convertible roof actuation control unit -J256-
4

Back to overview .

AUDI TT 2016 Overview of control units in rear part of vehicle

Overview of control units in rear part of vehicle

q	Connector assignment

q	Connector assignment

q	Connector assignment

q	Connector assignment

q	Connector assignment

q	Connector assignment

q	Connector assignment

q	Connector assignment

q	Connector assignment

q	Connector assignment

AUDI TT 2016 Fitting location, convertible roof actuation control unit J256 Fitting location, convertible roof actuation control unit -J256- Fitting location In left of luggage compartment, behind side trim.

1 -	Convertible roof actuation control unit -J256-

A -	not assigned

C -	20-pin connector -T20e- , black

E -	6-pin connector -T6e- , black

. AUDI TT 2016 Fitting location, battery monitor control unit J367 Fitting location, battery monitor control unit -J367- Fitting location In luggage compartment on negative terminal of battery -A- .

1 -	Battery monitor control unit -J367-

Connector assignment, battery monitor control unit -J367-

   

-T2a- (A)	Designation
1	LIN bus, to B710 connection 5 (LIN bus) in main wiring harness data bus diagnostic interface -J533-
2	Connection B1, main fuse carrier on battery -A- terminal 30

Back to overview . AUDI TT 2016 Fitting location, all-wheel drive control unit J492 Fitting location, all-wheel drive control unit -J492- Fitting location on rear final drive.

1 -	All-wheel drive control unit -J492-

B -	2-pin connector -T2cx- , black

Connector assignment, all-wheel drive control unit -J492-

-T8c- (A)	Designation		-T2cx- (B)	Designation
1	Terminal 15, from coupling point in luggage compartment, centre -THRM- B277 positive connection 1 (15a) in main wiring harness onboard supply control unit -J519-		1	Haldex coupling pump -V181-
2	Chassis/dash panel insert CAN bus, low coupling point in luggage compartment, centre -THRM- B676 connection 1 (chassis/dash panel insert CAN bus, low) in main wiring harness B677 connection 2 (chassis/dash panel insert CAN bus, low) in main wiring harness Data bus diagnostic interface -J533-		2	Haldex coupling pump -V181-
3	Terminal 30, from coupling point in luggage compartment, centre -THRM- fuse holder C -SC- fuse 3 -S133-
4	Chassis/dash panel insert CAN bus, high coupling point in luggage compartment, centre -THRM- B672 connection 1 (chassis/dash panel insert CAN bus, high) in main wiring harness B673 connection 2 (chassis/dash panel insert CAN bus, high) in main wiring harness Data bus diagnostic interface -J533-
5
6
7	Terminal 31, to coupling point in luggage compartment, centre -THRM- 729 earth point on rear left wheel housing
8

Back to overview .

AUDI TT 2016 Fitting location, Tyre Pressure Monitoring System control unit J502

Fitting location, Tyre Pressure Monitoring System control unit -J502-

Fitting location

On underbody at rear left.

1 -	Tyre Pressure Monitoring System control unit -J502-

Connector assignment, Tyre Pressure Monitoring System control unit -J502-

   

-T4ci- (A)	Designation
1	Extended low CAN bus, to B109 connection 1 (extended low CAN bus) in main wiring harness
2	Terminal 30, from fuse holder C -SC-
3	Extended high CAN bus, to B108 connection 1 (extended high CAN bus) in main wiring harness
4	Terminal 31, to 729 earth point on rear left wheel housing

Back to overview . AUDI TT 2016 Fitting location, lane change assist control unit J769 Fitting location, lane change assist control unit -J769- Fitting location Behind rear bumper on right.

1 -	Lane change assist control unit -J769-

Connector assignment, lane change assist control unit -J769-

   

-T12g- (A)	Designation		-T12g- (A)	Designation
1	Lane change assist control unit 2 -J770-		7
2	Lane change assist control unit 2 -J770-		8
3			9	Terminal 15, from X171 connection (15) in rear bumper wiring harness B279 positive connection 3 (15a) in main wiring harness fuse holder C -SC-
4			10	Terminal 31, to 470 earth connection 1 in rear bumper wiring harness 729 earth point on rear left wheel housing
5	Extended CAN bus, low to B109 connection 1 (extended CAN bus, low) in main wiring harness data bus diagnostic interface -J533-		11
6			12	Extended CAN bus, high to B108 connection 1 (extended CAN bus, high) in main wiring harness data bus diagnostic interface -J533-

Back to overview . AUDI TT 2016 Fitting location, lane change assist control unit 2 J770 Fitting location, lane change assist control unit 2 -J770- Fitting location behind rear bumper on left

1 -	Lane change assist control unit 2 -J770-

Connector assignment, lane change assist control unit 2 -J770-

   

-T12h- (A)	Designation		-T12h- (A)	Designation
1			7
2	Lane change assist warning lamp in front passenger side exterior mirror -K234-		8	Lane change assist warning lamp in front passenger side exterior mirror -K234-
3			9	Terminal 15, from X171 connection (15) in rear bumper wiring harness B279 positive connection 3 (15a) in main wiring harness fuse holder C -SC-
4	Lane change assist warning lamp in driver side exterior mirror -K233-		10	Terminal 31, to 470 earth connection 1 in rear bumper wiring harness 729 earth point on rear left wheel housing
5	Lane change assist control unit -J769-		11
6	Lane change assist warning lamp in driver side exterior mirror -K233-		12	Lane change assist control unit -J769-

Back to overview .

AUDI TT 2016 Fitting location Reversing camera system control unit J772

Fitting location Reversing camera system control unit -J772-

Fitting location

In rear lid button handle.

1 -	Reversing camera system control unit -J772-

B -	2-pin connector -T2e- , grey

q	to control unit for information electronics 1 -J794-

Connector assignment, reversing camera system control unit -J772-

-T8d- (A)	Designation		-T8d- (A)	Designation
1	Terminal 30, from fuse holder C -SC-		5	Terminal 31, to 729 earth point on rear left wheel housing1) 730 earth point 1 on right rear wheel housing2)
2			6
3			7
4	Infotainment CAN bus, high, to B415 connection 1 (infotainment CAN bus, high) in main wiring harness1) B416 connection 2 (infotainment CAN bus, high) in main wiring harness2)		8	Infotainment CAN bus, low, to B421 connection 1 (infotainment CAN bus, low) in main wiring harness1) B422 connection 2 (infotainment CAN bus, low) in main wiring harness2)

1) roadster

2) coupé

Back to overview .

AUDI TT 2016 Fitting location, interface control unit for vehicle location system J843 Fitting location, interface control unit for vehicle location system -J843- Fitting location In left of luggage compartment, behind side trim.

1 -	Interface control unit for vehicle location system -J843-

Connector assignment, interface control unit for vehicle location system -J843-

   

-T12e- (A)	Designation		-T12e- (A)	Designation
1			7	Comfort CAN bus, high to B397 connection 1 (comfort CAN bus, high) in main wiring harness B398 connection 2 (comfort CAN bus, high) in main wiring harness data bus diagnostic interface -J533-
2			8	Comfort CAN bus, low to B406 connection 1 (comfort CAN bus, low) in main wiring harness B407 connection 2 (comfort CAN bus, low) in main wiring harness data bus diagnostic interface -J533-
3	Terminal 30, from fuse holder C -SC- B315 positive connection 1 (30a) in main wiring harness fuse 2 -S132-		9
4			10
5			11
6	Terminal 31, to 368 earth connection 3 in main wiring harness 729 earth point on rear left wheel housing		12

Back to overview . AUDI TT 2016 Fitting location TV tuner R78 Fitting location TV tuner -R78- Fitting location On right in luggage compartment, behind side trim.

1 -	TV tuner -R78-

B -	4-pin connector -T4bh- , green, aerial amplifier 1 for TV -R82- , aerial amplifier 2 for TV -R83-

D -	12-pin connector -T12l- , black

Connector assignment, TV tuner -R78-

-T12l- (D)	Designation		-T12l- (D)	Designation
1	Terminal 30, from B318 positive connection 4 (30a) in main wiring harness fuse holder C -SC- fuse 2 -S132-		7	Audio out L
2	Terminal 31, to 371 earth connection 6 in main wiring harness 730 earth point 1 on rear right wheel housing		8	Audio out R
3	Ring circuit break diagnostic wire B444 connection 1 (diagnosis) in main wiring harness		9	Screen earth
4	Screen earth		10	Audio in L
5	Video out		11	Audio in R
6	Screen earth		12	Video in

Back to overview . AUDI TT 2016 Fitting location, aerial amplifier for mobile telephone R86 Fitting location, aerial amplifier for mobile telephone -R86- Fitting location On right in luggage compartment, behind side trim.

1 -	Aerial amplifier for mobile telephone -R86-

B -	2-pin connector -T2gr- , connection roof aerial -R216- , telephone aerial -R65-

Connector assignment, aerial amplifier for mobile telephone -R86-

   

-T4bv- (A)	Designation
1	Terminal 30, from B318 positive connection 4 (30a) in main wiring harness fuse holder C -SC- fuse 2 -S132-
2	Terminal 31, to 371 earth connection 6 in main wiring harness 730 earth point 1 on right rear wheel housing
3	V32 positive connection (30) in telephone wiring harness telephone bracket -R126- control unit 1 for Information electronics -J794-
4

Back to overview .

AUDI TT 2016 Overview of fuses

Overview of fuses

Jump start connection -TV32- /wiring junction -TV1-

q	Fitting location

Relay and fuse carrier 4 -SR4-

t	Fuse holder D -SD-

t	Fuse holder F -SF-

q	Fitting location

q	Fuse assignment on fuse holder D -SD-

q	Fuse assignment on fuse holder F -SF-

q	Fitting location, right-hand drive models

q	Fuse assignment on fuse holder C -SC-

q	Fitting location and fuse assignment, right-hand drive models

q	Fuse assignment on fuse holder B -SB-

q	Fuse assignment

AUDI TT 2016 Fitting location, fuse holder A SA

Fitting location, fuse holder A -SA-

1 -	Fuse holder A -SA-

q	Fuse assignment

508	Threaded connection (30) on electronics box, B1

Back to overview .

AUDI TT 2016 Fuse assignment on fuse holder A SA

Fuse assignment on fuse holder A -SA-

No.		Current Flow Diagram designation	Nominal value		Function/component	Terminal
J1A	-	Fuse 1 on fuse holder A -SA1-	125 A	-	not assigned	30
G1A	-	Fuse 2 on fuse holder A -SA2-	400 A	-	Alternator -C-	30
E1A	-	Fuse 3 on fuse holder A -SA3-	80 A	-	Power steering control unit -J500-	30
K2A	-	Fuse 4 on fuse holder A -SA4-	80 A	-	not assigned	30
L1A	-	Fuse 5 on fuse holder A -SA5-	50 A	-	Radiator fan control unit -J293-	30

Back to overview .

AUDI TT 2016 Fitting location, relay and fuse carrier 1 SR1

Fitting location, relay and fuse carrier 1 -SR1-

1 -	Fuse holder B -SB-

q	Fuse assignment

Fuse colours, J-Case fuse

t	50 A - red

t	40 A - green

t	30 A - pink

Fuse colours, ATO flat fuse

t	40 A - orange

t	30 A - light green

t	25 A - clear

t	20 A - yellow

t	15 A - light blue

t	10 A - red

t	7.5 A - brown

t	5 A - light brown

t	1 A - black

Back to overview .

AUDI TT 2016 Fuse assignment on fuse holder B SB

Fuse assignment on fuse holder B -SB-

No.		Current Flow Diagram designation	Nominal value		Function/component	Terminal
1	-	not assigned		-
2	-	not assigned		-
3	-	Fuse 3 on fuse holder B -SB3-	5 A	-	Engine control unit -J623-	30
4	-	Fuse 4 on fuse holder B -SB4-	10 A1) 3) 4) 5 A2)	-	Oil level and oil temperature sender -G266- Radiator fan control unit -J293- Charge pressure control solenoid valve -N75-2) Low heat output relay -J359-2) High heat output relay -J360-2) Turbocharger air recirculation valve -N249-1) 3) 4) Intake manifold flap valve -N316-1) 3) 4) Valve for oil pressure control -N428-1) 3) 4) Piston cooling jet control valve -N522-1) 3) 4) Secondary air pump relay -J299-1) 3)	87
5	-	Fuse 5 on fuse holder B -SB5-	10 A	-	Fuel pressure regulating valve -N276-2) Fuel metering valve -N290-2) Camshaft control valve 1 -N205-2) Engine component current supply relay 2 -J976-1) 3) 4) Injector for cylinder -N532- … -N535-1) 3) 4) Actuator for camshaft adjustment -F366- … -F373-1) 3) 4)	87
6	-	Fuse 6 on fuse holder B -SB6-	5 A	-	Brake light switch -F- /brake pedal switch -F63-	87
7	-	Fuse 7 on fuse holder B -SB7-	7.5 A1) 3) 4) 10 A2)	-	Coolant shut-off valve -N82-1) 3) 4) Coolant valve for gearbox -N488-1) 3) 4) 5) Coolant circulation pump -V50-1) 3) 4) Valve for oil pressure control -N428-2) Coolant valve for cylinder head -N489-2) Charge air cooling pump -V188-2) Auxiliary pump for heating -V488-2)	87
8	-	Fuse 8 on fuse holder B -SB8-	15 A1) 3) 4) 10 A2)	-	Lambda probe heater -Z19- Lambda probe 1 heater after catalytic converter -Z29-	87
9	-	Fuse 9 on fuse holder B -SB9-	10 A1) 3) 4) 5 A2)	-	Air mass meter -G70-2) Heater element for crankcase breather -N79-2) Automatic glow period control unit -J179-2) Continued coolant circulation pump -V51-1) 3) 4) Activated charcoal filter solenoid valve 1 -N80-1) 3) 4) Camshaft control valve 1 -N205-1) 3) 4) Exhaust camshaft control valve 1 -N318-1) 3) 4) Exhaust flap control unit -J883-1) 3) Exhaust flap control unit 2 -J945-1) 3)	87
10	-	Fuse 10 on fuse holder B -SB10-	15 A1) 3) 4) 20 A2)	-	Fuel pump control unit -J538-	87
11	-	Fuse 11 on fuse holder B -SB11-	40 A2) 50 A1) 3)	-	Auxiliary air heater element -Z35-2) Secondary air pump motor -V101-1) 3)	87
12	-	Fuse 12 on fuse holder B -SB12-	40 A2)	-	Auxiliary air heater element -Z35-2)	87
13	-	Fuse 13 on fuse holder B -SB13-	15 A	-	Mechatronic unit for dual clutch gearbox -J743-	30
14	-	not assigned		-
15	-	Fuse 15 on fuse holder B -SB15-	15 A	-	Horn relay -J413- Treble horn -H2- Bass horn -H7-	30
16	-	Fuse 16 on fuse holder B -SB16-	20 A	-	Engine component current supply relay 2 -J976-1) 3) 4)	30
17	-	Fuse 17 on fuse holder B -SB17-	10 A	-	Suppression filter -C24-	30
18	-	Fuse 18 on fuse holder B -SB18-	5 A	-	Garage door operation control unit -J530-	30
19	-	Fuse 19 on fuse holder B -SB19-	30 A	-	Wiper motor control unit -J400-	30
20	-	Fuse 20 on fuse holder B -SB20-	10 A	-	Alarm horn -H12-	30
21	-	not assigned		-
22	-	Fuse 22 on fuse holder B -SB22-	5 A	-	Engine control unit -J623-	50
23	-	Fuse 23 on fuse holder B -SB23-	30 A	-	Starter -B-	50
24	-	Fuse 24 on fuse holder B -SB24-	40 A2)	-	Auxiliary air heater element -Z35-2)	87
25	-	not assigned		-
26	-	not assigned		-
27	-	not assigned		-
28	-	not assigned		-
29	-	not assigned		-
30	-	not assigned		-
31	-	not assigned		-
32	-	not assigned		-
33	-	not assigned		-
34	-	not assigned		-
35	-	not assigned		-
36	-	not assigned		-
37	-	not assigned		-
38	-	not assigned		-

t	1) models with engine code CHHC, CNTC only

t	2) models with engine code CUNA only

t	3) models with engine code CJXF, CJXG, CYFB only

t	4) models with engine code CJSA only

t	5) models with all-wheel drive only

Back to overview .

AUDI TT 2016 Fitting location, relay and fuse carrier 2 SR2

Fitting location, relay and fuse carrier 2 -SR2-

Fitting location, relay and fuse carrier 2 -SR2- , left-hand drive models

1 -	Fuse holder C -SC-

q	Fuse assignment

Fuse colours, J-Case fuse

t	50 A - red

t	40 A - green

t	30 A - pink

Fuse colours, ATO flat fuse

t	40 A - orange

t	30 A - light green

t	25 A - clear

t	20 A - yellow

t	15 A - light blue

t	10 A - red

t	7.5 A - brown

t	5 A - light brown

t	1 A - black

Back to overview .

Fitting location, relay and fuse carrier 2 -SR2- , right-hand drive models

1 -	Fuse holder C -SC-

q	Fuse assignment

Fuse colours, J-Case fuse

t	50 A - red

t	40 A - green

t	30 A - pink

Fuse colours, ATO flat fuse

t	40 A - orange

t	30 A - light green

t	25 A - clear

t	20 A - yellow

t	15 A - light blue

t	10 A - red

t	7.5 A - brown

t	5 A - light brown

t	1 A - black

Back to overview .

Fuse assignment, fuse holder C -SC-

No.		Current Flow Diagram designation	Nominal value		Function/component	Terminal
1	-	Fuse 1 on fuse holder C -SC1-	30 A	-	Control unit for reducing agent metering system -J880-	30
2	-	not assigned		-
3	-	Fuse 3 on fuse holder C -SC3-	40 A	-	ABS control unit -J104-	30
4	-	Fuse 4 on fuse holder C -SC4-	7.5 A	-	Control unit 1 for information electronics -J794- Multimedia system operating unit -E380-	30
5	-	Fuse 5 on fuse holder C -SC5-	5 A	-	Data bus diagnostic interface -J533-	30
6	-	Fuse 6 on fuse holder C -SC6-	5 A	-	Selector lever sensors control unit -J587- Anti-theft alarm sensor -G578-	30
7	-	Fuse 7 on fuse holder C -SC7-	10 A	-	Climatronic control unit -J255- Heated rear window relay -J9- Tyre Pressure Monitoring System control unit -J502-	30
8	-	Fuse 8 on fuse holder C -SC8-	10 A	-	Light switch -E1- Electromechanical parking brake button -E538- Diagnostic connection -U31- Roof electronics control unit -J528- Light and rain sensor -G397-	30
9	-	Fuse 9 on fuse holder C -SC9-	1 A	-	Steering column electronics control unit -J527-	30
10	-	not assigned		-
11	-	Fuse 11 on fuse holder C -SC11-	15 A	-	All-wheel drive control unit -J492-	30
12	-	Fuse 12 on fuse holder C -SC12-	20 A 30 A	-	Control unit 1 for information electronics -J794- Digital sound package control unit -J525-	30
13	-	Fuse 13 on fuse holder C -SC13-	20 A	-	Electronically controlled damping control unit -J250-	30
14	-	Fuse 14 on fuse holder C -SC14-	30 A	-	Fresh air blower control unit -J126-	30
15	-	Fuse 15 on fuse holder C -SC15-	10 A	-	Control unit for electronic steering column lock -J764-	30
16	-	Fuse 16 on fuse holder C -SC16-	7.5 A	-	TV tuner -R78- Aerial amplifier for mobile telephone -R86- Telephone bracket -R126- Chip card reader control unit -J676-	30
17	-	Fuse 17 on fuse holder C -SC17-	10 A	-	Control unit in dash panel insert -J285-	30
18	-	Fuse 18 on fuse holder C -SC18-	7.5 A	-	Interface control unit for vehicle location system -J843- Reversing camera system control unit -J772-	30
19	-	Fuse 19 on fuse holder C -SC19-	7.5 A	-	Entry and start authorisation control unit -J518-	30
20	-	Fuse 20 on fuse holder C -SC20-	10 A	-	Front left seat Front right seat	30
21	-	not assigned		-
22	-	Fuse 22 on fuse holder C -SC22-	5 A	-	Control unit for right neck heating -J847-1)	30
23	-	Fuse 23 on fuse holder C -SC23-	40 A	-	Onboard supply control unit -J519-	30
24	-			-
25	-	Fuse 25 on fuse holder C -SC25-	30 A	-	Driver door control unit -J386-	30
26	-	Fuse 26 on fuse holder C -SC26-	30 A	-	Onboard supply control unit -J519-	30
27	-	not assigned		-
28	-	Fuse 28 on fuse holder C -SC28-	5 A	-	Connection for external audio sources -R199-	30
29	-	Fuse 29 on fuse holder C -SC29-	7.5 A	-	Glove compartment light switch -E26- Driver vanity mirror contact switch -F147- Front passenger vanity mirror contact switch -F148- Roof electronics control unit -J528- Front roof module -WX3-	30
30	-	not assigned		-
31	-	Fuse 31 on fuse holder C -SC31-	40 A	-	Onboard supply control unit -J519-	30
32	-	Fuse 32 on fuse holder C -SC32-	7.5 A	-	Lane change assist control unit -J769- Lane change assist control unit 2 -J770- Parking aid control unit -J446- Park assist steering control unit -J791- Front camera for driver assist systems -R242-	15
33	-	Fuse 33 on fuse holder C -SC33-	5 A	-	Airbag control unit -J234- Roof electronics control unit -J528- Seat occupied recognition control unit -J706-	15
34	-	Fuse 34 on fuse holder C -SC34-	7.5 A	-	Electromechanical parking brake button -E538- Auto-hold button -E540- Reversing light switch -F4- Pressure sender for refrigerant circuit -G805- Garage door operation control unit -J530- Relay for power sockets -J807- Relay for neck heating -J989-1)	15
35	-	Fuse 35 on fuse holder C -SC35-	10 A	-	Operating unit in front of centre console -E461- Air quality sensor -G238- Headlight range control unit -J431- Diagnostic connection -U31- Automatic anti-dazzle interior mirror -Y7-	15
36	-	Fuse 36 on fuse holder C -SC36-	15 A	-	Front right headlight -MX2-	15
37	-	Fuse 37 on fuse holder C -SC37-	15 A	-	Front left headlight -MX1-	15
38	-	Fuse 38 on fuse holder C -SC38-	7.5 A	-	Main relay -J271- Terminal 30 voltage supply relay -J317- Engine control unit -J623- ABS control unit -J104-	30
39	-	Fuse 39 on fuse holder C -SC39-	30 A	-	Front passenger door control unit -J387-	30
40	-	Fuse 40 on fuse holder C -SC40-	20 A	-	12 V socket -U5- 12 V socket 2 -U18-	30
41	-	Fuse 41 on fuse holder C -SC41-	7.5 A	-	Control unit for fuel tank leak detection -J909-2) Relay for reducing agent metering system -J963-3)	30
42	-	Fuse 42 on fuse holder C -SC42-	40 A	-	Onboard supply control unit -J519-	30
43	-	Fuse 43 on fuse holder C -SC43-	30 A	-	Onboard supply control unit -J519-	30
44	-	not assigned		-
45	-	Fuse 45 on fuse holder C -SC45-	15 A	-	Front left seat	30
46	-	Fuse 46 on fuse holder C -SC46-	30 A	-	Control unit for left neck heating -J846-1)	30
47	-	not assigned		-
48	-	not assigned		-
49	-	Fuse 49 on fuse holder C -SC49-	5 A	-	Clutch position sender -G476- Starter relay 1 -J906- Starter relay 2 -J907-	15
50	-	Fuse 50 on fuse holder C -SC50-	40 A	-	ABS control unit -J104-	30
51	-	not assigned		-
52	-	not assigned		-
53	-	not assigned		-

1) roadster only

2) for models with US equipment only

3) for models with SCR system only

Back to overview .

AUDI TT 2016 Fitting location, relay and fuse carrier 3 SR3

Fitting location, relay and fuse carrier 3 -SR3-

Fitting location, relay and fuse carrier 3 -SR3- , left-hand drive models

1 -	Relay and fuse carrier 3 -SR3-

A -	Front passenger seat adjustment thermal fuse 1 -S46- , 15 A, light blue

B -	not assigned

Back to overview .

Fitting location, relay and fuse carrier 3 -SR3- , right-hand drive models

1 -	Relay and fuse carrier 3 -SR3-

A -	Front passenger seat adjustment thermal fuse 1 -S46- , 15 A, light blue

B -	not assigned

C -	not assigned

Back to overview .

Fitting location of main fuse carrier on the battery -A-

A -	Main fuse carrier on battery -A-

1 -	Fuse 3 -S133- , 110 A

q	to fuse holder C -SC-

2 -	Fuse 2 -S132- , 110 A

q	to fuse holder C -SC-

3 -	Connection battery monitor control unit -J367- , 2-pin connector -T2a- , yellow

4 -	Connection jump start connection -TV32- , 508 threaded connection (30) on electronics box, B1

5 -	Fuse 1 -S131- , 30 A

q	to Heated rear window relay -J9- , coupé

5 -	Fuse 1 -S131- , 30 A

q	to fuse 2 on fuse holder D -SD2- , roadster

q	to fuse 1 on fuse holder F -SF1- , roadster

q	to fuse 2 on fuse holder F -SF2- , roadster

Back to overview .

AUDI TT 2016

Fitting location, jump start connection -TV32- /wiring junction -TV1-

1 -	Jump start connection -TV32- , negative

2 -	Jump start connection -TV32- , positive/wiring junction -TV1-

q	Positive connection, from main fuse carrier on battery -A- item 4 (A1), to 508 threaded connection (30) on electronics box, B1

q	Positive connection to starter -B- , C1

Back to overview .

AUDI TT 2016 Fitting location, relay and fuse carrier 4 SR4

Fitting location, relay and fuse carrier 4 -SR4-

1 -	Relay and fuse carrier 4 -SR4-

A -	Fuse holder F -SF-

q	Fuse assignment

B -	Fuse holder D -SD-

q	Fuse assignment

Back to overview .

AUDI TT 2016 Fuse assignment on fuse holder F SF

Fuse assignment on fuse holder F -SF-

No.		Current Flow Diagram designation	Nominal value		Function/component	Terminal
1	-	Fuse 1 on fuse holder F -SF1-	10 A	-	Convertible roof actuation control unit -J256-	30
2	-	Fuse 2 on fuse holder F -SF2-	20 A	-	Heated rear window relay -J9- Heated rear window -Z1-	30

Back to overview .

AUDI TT 2016 Fuse assignment on fuse holder D SD

Fuse assignment on fuse holder D -SD-

No.		Current Flow Diagram designation	Nominal value		Function/component	Terminal
1	-	not assigned		-
2	-	Fuse 2 on fuse holder D -SD2-	40 A	-	Convertible roof actuation control unit -J256- Convertible roof actuation motor -V82- Convertible roof actuation motor 2 -V576-	30

Back to overview .

AUDI TT 2016 Overview of earth points

Overview of earth points

12	Earth point in engine compartment, left

q	Specified torque: 9 Nm

656	Earth point on right headlight

q	Specified torque: 9 Nm

671	Earth point 1 on front longitudinal member, left

q	Specified torque: 9 Nm

672	Earth point 2 on front longitudinal member, left

q	Specified torque: 20 Nm

685	Earth point 1 on front longitudinal member, right

q	Specified torque: 9 Nm

683	Earth point on front side member, right

q	Specified torque: 9 Nm

43	Earth point on right A-pillar, bottom

q	Specified torque: 9 Nm

639	Earth point on left A-pillar

q	Specified torque: 9 Nm

684	Earth point on front side member, left

q	Specified torque: 9 Nm

687	Earth point 1 on centre tunnel

q	Specified torque: 9 Nm

624	Earth point next to starter battery

q	Specified torque: 20 Nm

730	Earth point 1 on rear right wheel housing

q	Specified torque: 9 Nm

729	Earth point on rear left wheel housing

q	Specified torque: 9 Nm

AUDI TT 2016 Overview of control units in front part of vehicle

Overview of control units in front part of vehicle

q	Connector assignment

q	Connector assignment

q	Connector assignment

q	Connector assignment

Front left headlight -MX1-/front right headlight -MX2-

q	Fitting location, bi-xenon

q	Connector assignment

q	Fitting location LED, matrix beam

q	Connector assignment

q	Connector assignment

q	Connector assignment

AUDI TT 2016 Fitting location, ABS control unit J104 Fitting location, ABS control unit -J104- Fitting location On right in engine compartment, LHD. On left in engine compartment, RHD.

1 -	ABS control unit -J104-

q

Internal: Lateral acceleration sender -G200-, brake pressure sender 1 -G201-, yaw rate sender -G202-, ABS hydraulic pump -V64-, front right ABS inlet valve -N99-, front right ABS outlet valve -N100-, front left ABS inlet valve -N101-, front left ABS outlet valve -N102-, vehicle stabilization program high-pressure valve 1 -N227-, vehicle stabilization program high-pressure valve 2 -N228-, vehicle stabilization program switch valve 1 -N225-, vehicle stabilization program switch valve 2 -N226-, rear right ABS inlet valve -N133-, rear left ABS inlet valve -N134-, rear right ABS outlet valve -N135-, rear left ABS outlet valve -N136-

Connector assignment, ABS control unit -J104-

   

-T46b- (A)	Designation		-T46b- (A)	Designation
1	Terminal 30, from fuse holder C -SC-		24	Electromechanical parking brake button -E538-
2	Right parking brake motor -V283-		25
3	Right parking brake motor -V283-		26
4	Front right speed sensor -G45-		27
5	Front right speed sensor -G45-		28
6	Rear left speed sensor -G46-		29
7	Rear left speed sensor -G46-		30	Terminal 30, from fuse holder C -SC-
8	Front left speed sensor -G47-		31	Terminal 30, from D78 positive connection 1 (30a) in engine compartment wiring harness fuse holder C -SC-
9	Front left speed sensor -G47-		32	Auto-hold warning lamp -K237-
10	Rear right speed sensor -G44-		33	Clutch position sender -G476-
11	Rear right speed sensor -G44-		34
12	Left parking brake motor -V282-		35	Terminal 15, from D102 connection 2 in engine compartment wiring harness B277 positive connection 1 (15a) in main wiring harness onboard supply control unit -J519-
13	Left parking brake motor -V282-		36	Electromechanical parking brake warning lamp -K213-
14	Terminal 31, to 167 earth connection 4 in engine compartment wiring harness 12 earth point in engine compartment, left (LHD) 685 earth point 1 on front side member, right (RHD)		37
15			38	Vacuum sender -G608-
16			39	TCS and ESP button -E256-
17	Electromechanical parking brake button -E538-		40
18	Electromechanical parking brake button -E538-		41
19	Electromechanical parking brake button -E538-		42	Chassis/dash panel insert CAN bus, high D159 connection (high bus) in engine compartment wiring harness B672 connection 1 (chassis/dash panel insert CAN bus, high) in main wiring harness B673 connection 2 (chassis/dash panel insert CAN bus, high) in main wiring harness data bus diagnostic interface -J533-
20			43	Chassis/dash panel insert CAN bus, low D160 connection (low bus) in engine compartment wiring harness B676 connection 1 (chassis/dash panel insert CAN bus, low) in main wiring harness B677 connection 2 (chassis/dash panel insert CAN bus, low) in main wiring harness data bus diagnostic interface -J533-
21			44	Vacuum sender -G608-
22			45	Vacuum sender -G608-
23	Auto-hold button -E540-		46	Terminal 31, to 167 earth connection 4 in engine compartment wiring harness 12 earth point in engine compartment, left (LHD) 685 earth point 1 on front side member, right (RHD)

Back to overview . AUDI TT 2016 Fitting location, control unit for structure-borne sound J869 Fitting location, control unit for structure-borne sound -J869- Fitting location In front passenger side plenum chamber.

1 -	Control unit for structure-borne sound -J869-

Connector assignment, control unit for structure-borne sound -J869-

   

-T6an- (A)	Designation
1	Actuator for structure-borne sound -R214-
2	Actuator for structure-borne sound -R214-
3	Terminal 15, from D106 connection 4 in engine compartment wiring harness B278 positive connection 2 (15a) in main wiring harness fuse holder C -SC-
4	Terminal 31, to 201 earth connection 5 in engine compartment wiring harness 209 earth connection 6 in engine compartment wiring harness 656 earth point on right headlight
5	Powertrain CAN bus, low E124 connection 1 (powertrain CAN bus, low) in engine wiring harness B390 connection 1 (powertrain CAN bus, low) in main wiring harness data bus diagnostic interface -J533-
6	Powertrain CAN bus, high E123 connection 1 (powertrain CAN bus, high) in engine wiring harness B383 connection 1 (powertrain CAN bus, high) in main wiring harness data bus diagnostic interface -J533-

Back to overview . AUDI TT 2016 Fitting location, control unit for wiper motor J400 Fitting location, control unit for wiper motor -J400- Fitting location In driver side plenum chamber.

1 -	Wiper motor control unit -J400-

q	Internal: Windscreen wiper motor -V-

Connector assignment, wiper motor control unit -J400-

   

-T4ab- (A)	Designation
1	Terminal 30, from fuse holder B -SB-
2
3	Terminal 31, to 131 earth connection 2 in engine compartment wiring harness 132 earth connection 3 in engine compartment wiring harness 671 earth point 1 on front side member, left
4	LIN bus, from onboard supply control unit -J519-

Back to overview . AUDI TT 2016 Fitting location, power steering control unit J500 Fitting location, power steering control unit -J500- Fitting location On steering box.

1 -	Power steering control unit -J500-

q	Components: Electromechanical power steering motor -V187-, steering moment sender -G269-

A -	3-pin connector -T3f-, black

Connector assignment, power steering control unit -J500-

   

-T3f- (A)	Designation		-T2f- (B)	Designation
1	Chassis/dash panel insert CAN bus, low D160 connection (low bus) in engine compartment wiring harness B676 connection 1 (chassis/dash panel insert CAN bus, low) in main wiring harness B677 connection 2 (chassis/dash panel insert CAN bus, low) in main wiring harness data bus diagnostic interface -J533-		1	Terminal 31, to 12 earth point in engine compartment, left
2	Chassis/dash panel insert CAN bus, high D159 connection (high bus) in engine compartment wiring harness B672 connection 1 (chassis/dash panel insert CAN bus, high) in main wiring harness B673 connection 2 (chassis/dash panel insert CAN bus, high) in main wiring harness data bus diagnostic interface -J533-		2	Terminal 30, from fuse holder A -SA-
3	Terminal 15, from D102 connection 2 in engine compartment wiring harness B277 positive connection 1 (15a) in main wiring harness onboard supply control unit -J519-

Back to overview . AUDI TT 2016 Fitting location, engine control unit J623 Fitting location, engine control unit -J623- Fitting location In luggage compartment on electronics box. Engine control unit -J623-, 154-pin

1 -	Engine control unit -J623-

B -	94-pin connector -T94-, black

Engine control unit -J623-, 196-pin

1 -	Engine control unit -J623-

B -	91-pin connector -T91-, black

Back to overview . AUDI TT 2016 Fitting location, front left headlight MX1 / front right headlight MX2 Fitting location, front left headlight -MX1-/front right headlight -MX2- Fitting location, front left headlight -MX1-/front right headlight -MX2-, bi-xenon Fitting location At front of vehicle.

1 -	Control unit for left daytime running light and side light -J860-/control unit for right daytime running light and side light -J861-

q

In headlight: Left gas discharge bulb control unit -J343-, right gas discharge bulb control unit -J344-, left LED module for daytime running light and side light -L176-, right LED module for daytime running light and side light -L177-, left dipped beam screen motor -V294-, right dipped beam screen motor -V295-, front left turn signal bulb -M5-, front right turn signal bulb -M7-, left static cornering light -M51-, right static cornering light -M52-, front left side marker light bulb -M33-, front right side marker light bulb -M34-, left headlight range control motor -V48-, right headlight range control motor -V49-

14-pin connector -T14b-, black/14-pin connector -T14a- , black

q	14-pin connector -T14b- on left headlight

q	14-pin connector -T14a- on right headlight

Connector assignment for headlight, bi-xenon

-T14b- (A)	Designation		-T14a- (A)	Designation
1	Control unit for cornering light and headlight range control -J745-		1	Control unit for cornering light and headlight range control -J745-
2	Control unit for cornering light and headlight range control -J745-		2	Control unit for cornering light and headlight range control -J745-
3	Control unit for cornering light and headlight range control -J745-		3	Control unit for cornering light and headlight range control -J745-
4	Control unit for cornering light and headlight range control -J745-		4	Control unit for cornering light and headlight range control -J745-
5	Terminal 31, to 363 earth connection 8 in engine compartment wiring harness 132 earth connection 3 in engine compartment wiring harness 671 earth point 1 on front side member, left		5	Terminal 31, to 209 earth connection 6 in engine compartment wiring harness 656 earth point on right headlight
6	Onboard supply control unit -J519-		6	Onboard supply control unit -J519-
7			7
8	Onboard supply control unit -J519-		8	Onboard supply control unit -J519-
9	Onboard supply control unit -J519-		9	Onboard supply control unit -J519-
10	Terminal 31, to 363 earth connection 8 in engine compartment wiring harness 132 earth connection 3 in engine compartment wiring harness 671 earth point 1 on front side member, left		10	Terminal 31, to 209 earth connection 6 in engine compartment wiring harness 656 earth point on right headlight
11	Onboard supply control unit -J519-		11	Onboard supply control unit -J519-
12	Onboard supply control unit -J519-		12	Onboard supply control unit -J519-
13	Onboard supply control unit -J519-		13	Onboard supply control unit -J519-
14	C65 positive connection 1 for side marker lights B132 connection (number plate light) in interior wiring harness onboard supply control unit -J519- USA only		14	C65 positive connection 1 for side marker lights B132 connection (number plate light) in interior wiring harness onboard supply control unit -J519- USA only

Back to overview . Fitting location, front left headlight -MX1-/front right headlight -MX2-, LED, matrix beam Fitting location At front of vehicle.

1 -	Output module 1 for left LED headlight -A31-/output module 1 for right LED headlight -A27-

q	On headlight: Output module 2 for left LED headlight -A32-, output module 2 for right LED headlight -A28-, output module for left headlight -J667-, output module for right headlight -J668-

q

In headlight: Left headlight dipped beam bulb -M29-, right headlight dipped beam bulb -M31-, left static cornering light -M51-, right static cornering light -M52-, left headlight main beam bulb -M30-, right headlight main beam bulb -M32-, left LED module for daytime running light and side light -L176-, right LED module for daytime running light and side light -L177-, front left turn signal bulb -M5-, front right turn signal bulb -M7-, front left side marker bulb -M33-, front right side marker bulb -M34-, left headlight range control motor -V48-, right headlight range control motor -V49-, current coding resistor 1 for left headlight -N639-, current coding resistor 1 for right headlight -N665-, current coding resistor 2 for left headlight -N663-, current coding resistor 2 for right headlight -N666-, current coding resistor 3 for left headlight -N664-, current coding resistor 3 for right headlight -N667-, temperature sender 1 for left headlight -G702-, temperature sender 1 for right headlight -G704-, temperature sender 2 for left headlight -G703-, temperature sender 2 for right headlight -G705-, temperature sender 3 for left headlight -G832-, temperature sender 3 for right headlight -G833-

A -	14-pin connector -T14b-, black/14-pin connector -T14a-, black

q	14-pin connector -T14b- on left headlight

q	14-pin connector -T14a- on right headlight

Connector assignment for headlight, LED, matrix beam

-T14b- (A)	Designation		-T14a- (A)	Designation
1	CAN bus, to D178 connection 2 (high bus) in engine compartment wiring harness control unit for cornering light and headlight range control -J745-		1	CAN bus, to D178 connection 2 (high bus) in engine compartment wiring harness control unit for cornering light and headlight range control -J745-
2	CAN bus, to D179 connection 2 (low bus) in engine compartment wiring harness control unit for cornering light and headlight range control -J745-		2	CAN bus, to D179 connection 2 (low bus) in engine compartment wiring harness control unit for cornering light and headlight range control -J745-
3			3
4	not assigned, LED onboard supply control unit -J519-, matrix beam		4	not assigned, LED onboard supply control unit -J519-, matrix beam
5	Terminal 31, to 363 earth connection 8 in engine compartment wiring harness 132 earth connection 3 in engine compartment wiring harness 671 earth point 1 on front side member, left		5	Terminal 31, to 209 earth connection 6 in engine compartment wiring harness 656 earth point on right headlight
6	D152 positive connection 1 (56b) in engine compartment wiring harness onboard supply control unit -J519-		6	Onboard supply control unit -J519-
7	Terminal 31, to 363 earth connection 8 in engine compartment wiring harness 132 earth connection 3 in engine compartment wiring harness 671 earth point 1 on front side member, left		7	Terminal 31, to 209 earth connection 6 in engine compartment wiring harness 656 earth point on right headlight
8	Terminal 15, from fuse holder C -SC-		8	Terminal 15, from fuse holder C -SC-
9	Onboard supply control unit -J519-		9	Onboard supply control unit -J519-
10	Terminal 31, to 363 earth connection 8 in engine compartment wiring harness 132 earth connection 3 in engine compartment wiring harness 671 earth point 1 on front side member, left		10	Terminal 31, to 209 earth connection 6 in engine compartment wiring harness 656 earth point on right headlight
11	Onboard supply control unit -J519-		11	Onboard supply control unit -J519-
12	Onboard supply control unit -J519-		12	Onboard supply control unit -J519-
13	Onboard supply control unit -J519-		13	Onboard supply control unit -J519-
14	not assigned, matrix beam C65 positive connection 1 for side marker lights B132 connection (number plate light) in interior wiring harness onboard supply control unit -J519- USA only, LED		14	not assigned, matrix beam C65 positive connection 1 for side marker lights B132 connection (number plate light) in interior wiring harness onboard supply control unit -J519- USA only, LED

Back to overview . Fitting location, radiator fan control unit -J293- Fitting location On radiator.

1 -	Radiator fan control unit -J293-

q	with radiator fan -V7-/radiator fan 2 -V177-

Connector assignment, radiator fan control unit -J293-

   

-T4ar- (A)	Designation
1	Terminal 30, from fuse holder A -SA-
2	Terminal 87, from D183 positive connection 4 (87a) in engine compartment wiring harness fuse holder B -SB-
3	Fan stage, from engine control unit -J623-
4	Terminal 31, to 672 earth point 2 on front side member, left

Back to overview . AUDI TT 2016 Fitting location, garage door operation control unit J530 Fitting location, garage door operation control unit -J530- Fitting location In front of engine compartment, next to right headlight.

1 -	Garage door operation control unit -J530-

Connector assignment, garage door operation control unit -J530-

   

-T5f- (A)	Designation
1	Terminal 30, from fuse holder B -SB-
2	Terminal 31, to 85 earth connection 1 in engine compartment wiring harness 131 earth connection 2 in engine compartment wiring harness 132 earth connection 3 in engine compartment wiring harness 671 earth point 1 on front side member, left
3	LIN bus, onboard supply control unit -J519-
4
5

Back to overview .

AUDI TT 2016

6-pin connector -T6a-, black/6-pin connector -T6ax-, black

AUDI TT 2016 Coupling point on left in engine compartment TML

Coupling point on left in engine compartment -TML-

6-pin connector -T6a-, black/6-pin connector -T6ax-, black

q	Only petrol

10-pin connector -T10p-, black/10-pin connector -T10px-, black

q	Only diesel

10-pin connector -T10o-, black/10-pin connector -T10ox-, black

8-pin connector -T8m-, black/8-pin connector -T8mx-, black

Coupling point on front left door -TTVL-

27-pin connector -T27a-, black/27-pin connector -T27ax-, black

Coupling point on front right door -TTVR-

27-pin connector -T27b-, black/27-pin connector -T27bx-, black

Coupling point on left A-pillar, bottom -TALU-

17-pin connector -T17f-, green/17-pin connector -T17fx-, green

17-pin connector -T17c-, black/17-pin connector -T17cx-, black

17-pin connector -T17e-, red/17-pin connector -T17ex-, red

17-pin connector -T17d-, brown/17-pin connector -T17dx-, brown

17-pin connector -T17b-, blue/17-pin connector -T17bx-, blue

10-pin connector -T10b-, white/10-pin connector -T10bx-, white

q	Right-hand drive vehicles only

Coupling point right A-pillar, bottom -TARU-

A -	10-pin connector -T10b-, white/10-pin connector -T10bx-, white

q	Left-hand drive vehicles only

Coupling point for front left seat -TSVL-

10-pin connector -T10d-, black/10-pin connector -T10dx-, black

6-pin connector -T6f-, green/6-pin connector -T6fx-, green

10-pin connector -T10c-, red/10-pin connector -T10cx-, red

3-pin connector -T3d-, yellow/3-pin connector -T3dx-, yellow

5-pin connector -T5a-, black/5-pin connector -T5ax-, black

Coupling point for front right seat -TSVR-

5-pin connector -T5b-, black/5-pin connector -T5bx-, black

3-pin connector -T3e-, yellow/3-pin connector -T3ex-, yellow

10-pin connector -T10e-, red/10-pin connector -T10ex-, red

6-pin connector -T6g-, green/6-pin connector -T6gx-, green

10-pin connector -T10f-, black/10-pin connector -T10fx-, black

Diagnostic connection -U31-

Coupling point on front left bumper -TSFVL-

14-pin connector -T14d-, black/14-pin connector -T14dx-, black

Coupling point on rear left bumper -TSFHL-

10-pin connector -T10k-, black/10-pin connector -T10kx-, black

8-pin connector -T8b-, black/8-pin connector -T8bx-, black

Coupling point on rear lid, left -THKL-

17-pin connector -T17k-, black/17-pin connector -T17kx-, black

Coupling point in luggage compartment, left -THRL-

10-pin connector -T10t-, black/10-pin connector -T10tx-, black

Coupling point on front cross member, left -TQVL-

A -

Ignore

5-pin connector -T5i-, brown/5-pin connector -T5ix-, brown

AUDI TT 2016 Overview of relay carriers

Overview of relay carriers

Relay and fuse carrier 4 -SR4-

t	Heated rear window relay -J9-

q	Fitting location and relay slot assignment, coupé

q	Fitting location and relay slot assignment, roadster

Relay and fuse carrier 2 -SR2-

t	Relay for reducing agent metering system -J963-

t	Terminal 15 voltage supply relay -J329-

t	Relay for power sockets -J807-

q	Fitting location and relay slot assignment, left-hand drive models

q	Fitting location and relay slot assignment, right-hand drive models

Relay and fuse carrier 3 -SR3-

t	Relay for neck heating -J989-

q	roadster only

q	Fitting location and relay slot assignment, left-hand drive models

q	Fitting location and relay slot assignment, right-hand drive models

AUDI TT 2016

Fitting location and relay slot assignment, relay and fuse carrier 1 -SR1- , on electronics box in engine compartment

1 -	Relay and fuse carrier 1 -SR1-

R1 -	Starter relay 1 -J906-

R2 -	Starter relay 2 -J907-

R3 -	Horn relay -J413-

R4 -	High heat output relay -J360- , diesel engine only

R4 -	Secondary air pump relay -J299- , petrol engine only

R5 -	Main relay -J271-

R6 -	Automatic glow period control unit -J179- , diesel engine only

R7 -	Low heat output relay -J359- , diesel engine only

R8 -	not assigned

R9 -	not assigned

R10 -

Engine component current supply relay 2 -J976-

Back to overview .

AUDI TT 2016

Relay and fuse carrier 2 -SR2- , under dash panel, left

Fitting location and relay slot assignment, relay and fuse carrier 2 -SR2- , left-hand drive models

1 -	Relay and fuse carrier 2 -SR2-

R1 -	Relay for reducing agent metering system -J963-

R2 -	not assigned

R3 -	not assigned

R4 -	Terminal 15 voltage supply relay -J329-

R5 -	not assigned

R6 -	Relay for power sockets -J807-

Back to overview .

Fitting location and relay slot assignment, relay and fuse carrier 2 -SR2- , right-hand drive models

1 -	Relay and fuse carrier 2 -SR2-

R1 -	Relay for reducing agent metering system -J963-

R2 -	not assigned

R3 -	not assigned

R4 -	Terminal 15 voltage supply relay -J329-

R5 -	not assigned

R6 -	Relay for power sockets -J807-

Back to overview .

Fitting location and relay slot assignment, relay and fuse carrier 3 -SR3- , under dash panel, left

Fitting location and relay slot assignment, relay and fuse carrier 3 -SR3- , left-hand drive models

1 -	Relay and fuse carrier 3 -SR3-

R1 -	Relay for neck heating -J989-

q	roadster only

Back to overview .

Fitting location and relay slot assignment, relay and fuse carrier 3 -SR3- , right-hand drive models

1 -	Relay and fuse carrier 3 -SR3-

R1 -	Relay for neck heating -J989-

q	roadster only

Back to overview .

AUDI TT 2016

Fitting location and relay slot assignment, relay and fuse carrier 4 -SR4- , on left in luggage compartment

Fitting location and relay slot assignment, relay and fuse carrier 4 -SR4- , coupé

1 -	Relay and fuse carrier 4 -SR4-

R1 -	Heated rear window relay -J9-

Back to overview .

Fitting location and relay slot assignment, relay and fuse carrier 4 -SR4- , roadster

1 -	Relay and fuse carrier 4 -SR4-

R1 -	Heated rear window relay -J9-

Back to overview .