AUDI A3 2013

Wiring Diagram AUDI A3 2013 - Battery - Battery monitor control unit - Power steering control unit - 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

A	Battery
B	Starter
C	Alternator
J293	Radiator fan control unit
J367	Battery monitor control unit
J500	Power steering control unit
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
T2b	2-pin connector
T2g	2-pin connector
T4g	4-pin connector

D218	Connection 1 (LIN bus) in engine compartment wiring harness
*	Only models with start/stop system
*2	Only models with no start/stop system

Wiring Diagram AUDI A3 2013 - Starter relay 1 - Starter relay 2 - Fuse 22 on fuse holder B - Fuse 23 on fuse holder B

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B	Starter
G476	Clutch position sender
J906	Starter relay 1
J907	Starter relay 2
SB22	Fuse 22 on fuse holder B
SB23	Fuse 23 on fuse holder B
T17c	17-pin connector
D52	Positive connection (15a), in engine compartment wiring harness
*	Only models with petrol engine
*2	Only models with diesel engine

Wiring Diagram AUDI A3 2013 - Treble horn - Bass horn - Auxiliary heater control unit - Horn relay - Fuse 15 on fuse holder B - Fuse 33 on fuse holder B - Fuse 34 on fuse holder B - Fuse 35 on fuse holder B - Fuse 36 on fuse holder B - Fuse 37 on fuse holder B - Fuse 38 on fuse holder B

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H2	Treble horn
H7	Bass horn
J364	Auxiliary heater control unit
J413	Horn relay
SB15	Fuse 15 on fuse holder B
SB33	Fuse 33 on fuse holder B
SB34	Fuse 34 on fuse holder B
SB35	Fuse 35 on fuse holder B
SB36	Fuse 36 on fuse holder B
SB37	Fuse 37 on fuse holder B
SB38	Fuse 38 on fuse holder B
T2v	2-pin connector
C13	Positive connection in dual tone horn wiring harness

Wiring Diagram AUDI A3 2013 - Engine component current supply relay - Fuse 1 on fuse holder B - Fuse 2 on fuse holder B - Fuse 16 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

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H12	Alarm horn
J104	ABS control unit
J400	Wiper motor control unit
J533	Data bus diagnostic interface
J757	Engine component current supply relay
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
SB1	Fuse 1 on fuse holder B
SB2	Fuse 2 on fuse holder B
SB16	Fuse 16 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
T14b	14-pin connector, near front left longitudinal member
T17b	17-pin connector
T20a	20-pin connector
T46a	46-pin connector
D189	Connection (87a) in engine prewiring harness
*	Only models with petrol engine
*2	Only models with no start/stop system

Wiring Diagram AUDI A3 2013 - Main relay - Terminal 30 voltage supply relay - High heat output relay - Engine control unit - Fuse 11 on fuse holder B - Fuse 12 on fuse holder B - Fuse 17 on fuse holder B

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J271	Main relay
J317	Terminal 30 voltage supply relay
J360	High heat output relay
J623	Engine control unit
SB11	Fuse 11 on fuse holder B
SB12	Fuse 12 on fuse holder B
SB17	Fuse 17 on fuse holder B
T94	94-pin connector
Z35	Auxiliary air heater element
D78	Positive connection 1 (30a), in engine compartment wiring harness
D183	Connection 4 (87a) in engine compartment wiring harness
*	Only models with diesel engine
*2	Only models with petrol engine

Wiring Diagram AUDI A3 2013 - Engine control unit - Fuse 3 on fuse holder B - Fuse 31 on fuse holder B - Fuse 32 on fuse holder B

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G266	Oil level and oil temperature sender
J623	Engine control unit
N80	Activated charcoal filter solenoid valve 1
N205	Camshaft control valve 1
N208	Camshaft control valve 2
N428	Valve for oil pressure control
N566	Solenoid switch 1 for cylinder shut-off
N567	Solenoid switch 2 for cylinder shut-off
N568	Solenoid switch 3 for cylinder shut-off
N569	Solenoid switch 4 for cylinder shut-off
SB3	Fuse 3 on fuse holder B
SB31	Fuse 31 on fuse holder B
SB32	Fuse 32 on fuse holder B
T6a	6-pin connector
T14	14-pin connector, near front left longitudinal member
T91	91-pin connector
T94	94-pin connector
D183	Connection 4 (87a) in engine compartment wiring harness
D196	Connection 2 (87a) in engine prewiring harness
D197	Connection 5 (87a) in engine compartment wiring harness
*	Only models with petrol engine
*2	Only models with diesel engine

Wiring Diagram AUDI A3 2013 - Fuse 4 on fuse holder B - Fuse 5 on fuse holder B

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F366	Actuator 1 for camshaft adjustment
G70	Air mass meter
G235	Exhaust gas temperature sender 1
G266	Oil level and oil temperature sender
N75	Charge pressure control solenoid valve
N205	Camshaft control valve 1
N249	Turbocharger air recirculation valve
N276	Fuel pressure regulating valve
N290	Fuel metering valve
N316	Intake manifold flap valve
N345	Exhaust gas recirculation cooler changeover valve
N428	Valve for oil pressure control
N522	Piston cooling jet control valve
N532	Injector 2, cylinder 1
N533	Injector 2, cylinder 2
N534	Injector 2, cylinder 3
N535	Injector 2, cylinder 4
SB4	Fuse 4 on fuse holder B
SB5	Fuse 5 on fuse holder B
T8q	8-pin connector
T10b	10-pin connector
T14	14-pin connector, near front left longitudinal member
D140	Connection (injectors), in engine prewiring harness
D196	Connection 2 (87a) in engine prewiring harness
D197	Connection 5 (87a) in engine compartment wiring harness
D202	Connection 6 (87a) in engine compartment wiring harness
D206	Connection 4 (87a) in engine prewiring harness
*	Only models with diesel engine

Wiring Diagram AUDI A3 2013 - Fuse 6 on fuse holder B - Fuse 7 on fuse holder B

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F	Brake light switch
F63	Brake pedal switch
F367	Actuator 2 for camshaft adjustment
F368	Actuator 3 for camshaft adjustment
F369	Actuator 4 for camshaft adjustment
F370	Actuator 5 for camshaft adjustment
F371	Actuator 6 for camshaft adjustment
F372	Actuator 7 for camshaft adjustment
F373	Actuator 8 for camshaft adjustment
N82	Coolant shut-off valve
N180	Changeover valve
N276	Fuel pressure regulating valve
N428	Valve for oil pressure control
N488	Coolant valve for gearbox
N489	Coolant valve for cylinder head
SB6	Fuse 6 on fuse holder B
SB7	Fuse 7 on fuse holder B
T2ao	2-pin connector
T8	8-pin connector
T10b	10-pin connector
T14	14-pin connector, near front left longitudinal member
V50	Coolant circulation pump
V51	Continued coolant circulation pump
V188	Charge air cooling pump
V488	Auxiliary pump for heating
D180	Connection (87a), in engine compartment wiring harness
D205	Connection 3 (87a) in engine prewiring harness
D206	Connection 4 (87a) in engine prewiring harness
D214	Connection 8 (87a) in engine compartment wiring harness
*	Only models with diesel engine

Wiring Diagram AUDI A3 2013 - Fuse 8 on fuse holder B

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J883	Exhaust flap control unit
N80	Activated charcoal filter solenoid valve 1
N205	Camshaft control valve 1
N318	Exhaust camshaft control valve 1
SB8	Fuse 8 on fuse holder B
T4c	4-pin connector
T4d	4-pin connector
T4e	4-pin connector
T5e	5-pin connector
T6ak	6-pin connector
T6l	6-pin connector
T14	14-pin connector, near front left longitudinal member
T17c	17-pin connector
V51	Continued coolant circulation pump
Z19	Lambda probe heater
Z29	Lambda probe 1 heater after catalytic converter
D181	Connection 2 (87a) in engine compartment wiring harness
D182	Connection 3 (87a) in engine compartment wiring harness
D205	Connection 3 (87a) in engine prewiring harness
D207	Connection 7 (87a) in engine compartment wiring harness
H1	Positive connection, in Lambda wiring harness
*	According to equipment

Wiring Diagram AUDI A3 2013 - Automatic glow period control unit - Low heat output relay - Fuse 9 on fuse holder B - Fuse 24 on fuse holder B

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G70	Air mass meter
J179	Automatic glow period control unit
J359	Low heat output relay
N70	Ignition coil 1 with output stage
N79	Heater element for crankcase breather
N127	Ignition coil 2 with output stage
N291	Ignition coil 3 with output stage
N292	Ignition coil 4 with output stage
SB9	Fuse 9 on fuse holder B
SB24	Fuse 24 on fuse holder B
T14	14-pin connector, near front left longitudinal member
Z35	Auxiliary air heater element
D181	Connection 2 (87a) in engine compartment wiring harness
D189	Connection (87a) in engine prewiring harness
*	Only models with diesel engine

Wiring Diagram AUDI A3 2013 - Fuse 10 on fuse holder B - Fuse 13 on fuse holder B - Fuse 14 on fuse holder B - Fuse holder C

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J538	Fuel pump control unit
J743	Mechatronic unit for dual clutch gearbox
SB10	Fuse 10 on fuse holder B
SB13	Fuse 13 on fuse holder B
SB14	Fuse 14 on fuse holder B
SC	Fuse holder C
T3	3-pin connector
T5c	5-pin connector
T6e	6-pin connector
T17c	17-pin connector
T20e	20-pin connector
T25	25-pin connector
D104	Positive connection 2 (30a), in engine compartment wiring harness
D188	Positive connection 3 (30a), in engine compartment wiring harness
*	see applicable current flow diagram for dual clutch gearbox
*2	Only models with petrol engine
*3	Only models with no all-wheel drive
*4	Only models with diesel engine
*5	Only models with all-wheel drive
*6	According to equipment

Wiring Diagram AUDI A3 2013 - Fuse holder C

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E1	Light switch
E313	Selector lever
E380	Multimedia system operating unit
E538	Electromechanical parking brake button
G355	Humidity sender
G397	Rain and light sensor
G578	Anti-theft alarm sensor
J65	Heater control unit
J255	Climatronic control unit
J301	Air conditioning system control unit
J794	Control unit 1 for information electronics
R64	Remote control receiver for auxiliary heater
SC	Fuse holder C
SC4	Fuse 4 on fuse holder C
SC5	Fuse 5 on fuse holder C
SC6	Fuse 6 on fuse holder C
SC7	Fuse 7 on fuse holder C
SC8	Fuse 8 on fuse holder C
SC9	Fuse 9 on fuse holder C
T3f	3-pin connector
T6d	6-pin connector
T6s	6-pin connector
T8j	8-pin connector
T10k	10-pin connector
T10l	10-pin connector
T16	16-pin connector
T20b	20-pin connector
T20f	20-pin connector
T20g	20-pin connector
T20h	20-pin connector
WX3	Front roof module
B315	Positive connection 1 (30a) in main wiring harness
B316	Positive connection 2 (30a) in main wiring harness
B319	Positive connection 5 (30a) in main wiring harness
*	According to equipment
*2	Diagnostic connection
*3	Only models with Bang & Olufsen sound system

Wiring Diagram AUDI A3 2013 - Fuse holder C

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J126	Fresh air blower control unit
J250	Electronically controlled damping control unit
J492	All-wheel drive control unit
J519	Onboard supply control unit
J685	Display unit for front information display and operating unit control unit
J794	Control unit 1 for information electronics
SC	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
SC31	Fuse 31 on fuse holder C
SC42	Fuse 42 on fuse holder C
T2r	2-pin connector
T2s	2-pin connector
T6c	6-pin connector
T6i	6-pin connector
T6j	6-pin connector
T8ai	8-pin connector
T8j	8-pin connector
T8y	8-pin connector
T46b	46-pin connector
T47a	47-pin connector
T73a	73-pin connector
T73c	73-pin connector
Z6	Heated seat cushion for driver seat
Z7	Heated backrest for driver seat
Z8	Heated seat cushion for front passenger seat
Z9	Heated backrest for front passenger seat
O12	Connection 1, in seat heating wiring harness
O14	Connection 3, in seat heating wiring harness
*	According to equipment

Wiring Diagram AUDI A3 2013 - Seat belt tensioner relay - Fuse holder C

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J345	Trailer detector control unit
J387	Front passenger door control unit
J669	Seat belt tensioner relay
J854	Control unit for front left belt tensioner
J927	Rear passenger side door control unit
J1017	Control unit with rear passenger side window regulator motor
SC	Fuse holder C
SC30	Fuse 30 on fuse holder C
SC38	Fuse 38 on fuse holder C
SC39	Fuse 39 on fuse holder C
T12b	12-pin connector
T20d	20-pin connector
T20k	20-pin connector
T27a	27-pin connector, on right A-pillar
T27c	27-pin connector, on left A-pillar
369	Earth connection 4, in main wiring harness
375	Earth connection 10, in main wiring harness

B321	Positive connection 7 (30a) in main wiring harness
*	Only models with 3-doors
*2	Only models with 5-doors

Wiring Diagram AUDI A3 2013 - Front passenger seat adjustment thermal fuse 1 - Fuse holder C

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E177	Front passenger seat lumbar support adjustment switch
E471	Front passenger seat adjustment operating unit
J527	Steering column electronics control unit
S46	Front passenger seat adjustment thermal fuse 1
SC	Fuse holder C
SC41	Fuse 41 on fuse holder C
T6m	6-pin connector
T6y	6-pin connector
T10e	10-pin connector, in coupling point for front seat, right
T16a	16-pin connector
M2	Positive connection 2 (30), in seat adjustment wiring harness

Wiring Diagram AUDI A3 2013 - Heated rear window relay - Terminal 15 voltage supply relay - Relay for power sockets - Fuse holder C

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C18	Window aerial suppression filter
J9	Heated rear window relay
J329	Terminal 15 voltage supply relay
J807	Relay for power sockets
SC	Fuse holder C
SC40	Fuse 40 on fuse holder C
SC53	Fuse 53 on fuse holder C
U	Electric socket
U1	Cigarette lighter
U5	12 V socket
Z1	Heated rear window
366	Earth connection 1, in main wiring harness
B680	Connection (electric socket), in interior wiring harness

Wiring Diagram AUDI A3 2013 - Airbag control unit - Fuse holder C

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E540	Auto-hold button
F4	Reversing light switch
J234	Airbag control unit
J428	Adaptive cruise control unit
J446	Parking aid control unit
J530	Garage door operation control unit
J769	Lane change assist control unit
J770	Lane change assist control unit 2
J791	Park assist steering control unit
J869	Control unit for structure-borne sound
K145	Front passenger side airbag deactivated warning lamp
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
SC34	Fuse 34 on fuse holder C
T6ad	6-pin connector
T6p	6-pin connector
T8m	8-pin connector
T10f	10-pin connector
T12ac	12-pin connector
T12g	12-pin connector
T12h	12-pin connector
T17b	17-pin connector
T17c	17-pin connector
T20j	20-pin connector
T26c	26-pin connector
T90	90-pin connector
B277	Positive connection 1 (15a) in main wiring harness
B278	Positive connection 2 (15a) in main wiring harness
B280	Positive connection 4 (15a) in main wiring harness
D136	Positive connection 2 (15a), in engine compartment wiring harness
X171	Connection (15), rear bumper wiring harness

Wiring Diagram AUDI A3 2013 - Fuse holder C

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E102	Headlight range control regulator
E229	Hazard warning lights button
J431	Headlight range control unit
J667	Output module for left headlight
J668	Output module for right headlight
J745	Control unit for cornering light and headlight range control
SC	Fuse holder C
SC35	Fuse 35 on fuse holder C
SC36	Fuse 36 on fuse holder C
SC37	Fuse 37 on fuse holder C
SC47	Fuse 47 on fuse holder C
T8a	8-pin connector
T14b	14-pin connector, near front left longitudinal member
T14c	14-pin connector, on right headlight
T16	16-pin connector
T17b	17-pin connector
T17f	17-pin connector
T20e	20-pin connector
T26a	26-pin connector
T26b	26-pin connector
V12	Rear window wiper motor
V48	Left headlight range control motor
V49	Right headlight range control motor
Y7	Automatic anti-dazzle interior mirror
B279	Positive connection 3 (15a) in main wiring harness
D200	Positive connection 3 (15a), in engine compartment wiring harness
*	Diagnostic connection

Wiring Diagram AUDI A3 2013 - Fuse holder C

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J855	Control unit for front right belt tensioner
SC	Fuse holder C
SC48	Fuse 48 on fuse holder C
SC49	Fuse 49 on fuse holder C
SC50	Fuse 50 on fuse holder C
SC51	Fuse 51 on fuse holder C

Wiring Diagram AUDI A3 2013 - Fuse holder C

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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
R215	Interface for external multimedia unit
SC	Fuse holder C
SC2	Fuse 2 on fuse holder C
SC3	Fuse 3 on fuse holder C
SC15	Fuse 15 on fuse holder C
SC16	Fuse 16 on fuse holder C
T10z	10-pin connector
T12aa	12-pin connector
T16g	16-pin connector
T16m	16-pin connector
B318	Positive connection 4 (30a) in main wiring harness

Wiring Diagram AUDI A3 2013 - Fuse holder C

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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
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
SC23	Fuse 23 on fuse holder C
T6l	6-pin connector
T6m	6-pin connector
T10d	10-pin connector, in coupling point for front seat, left
T10e	10-pin connector, in coupling point for front seat, right
T12u	12-pin connector
T18	18-pin connector
T20i	20-pin connector
T32a	32-pin connector
B317	Positive connection 3 (30a) in main wiring harness
B323	Positive connection 9 (30a) in main wiring harness

Wiring Diagram AUDI A3 2013 - Fuse holder C

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J245	Sliding sunroof adjustment control unit
J386	Driver door control unit
J926	Rear driver side door control unit
J1016	Control unit with rear driver side window regulator motor
SC	Fuse holder C
SC24	Fuse 24 on fuse holder C
SC25	Fuse 25 on fuse holder C
SC26	Fuse 26 on fuse holder C
T6b	6-pin connector
T10o	10-pin connector
T20c	20-pin connector
T20j	20-pin connector
T27	27-pin connector, on left A-pillar
T27b	27-pin connector, on left A-pillar
B320	Positive connection 6 (30a) in main wiring harness
*	Only models with 3-doors
*2	Only models with 5-doors

Wiring Diagram AUDI A3 2013 - Fuse holder C

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E176	Driver seat lumbar support adjustment switch
E470	Driver seat adjustment operating unit
J525	Digital sound package control unit
SC	Fuse holder C
SC27	Fuse 27 on fuse holder C
SC28	Fuse 28 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
T6o	6-pin connector
T6x	6-pin connector
T10d	10-pin connector, in coupling point for front seat, left
T38	38-pin connector
M1	Positive connection 1 (30), in seat adjustment wiring harness

Wiring Diagram AUDI A3 2013 - Fuse holder C

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E26	Glove compartment light switch
F147	Driver vanity mirror contact switch
F148	Front passenger vanity mirror contact switch
J608	Special vehicle control unit
SC	Fuse holder C
SC29	Fuse 29 on fuse holder C
T2ao	2-pin connector
T2ap	2-pin connector
T6	6-pin connector
T6d	6-pin connector
WX3	Front roof module
W18	Luggage compartment light on left
W35	Right luggage compartment light
B467	Connection 3, in main wiring harness
B468	Connection 4, in main wiring harness
*	see applicable current flow diagram for special purpose vehicles
*2	Only models with no special equipment, driving aids for disabled persons

AUDI A3 2013 Overview of control units (3-door)

Overview of control units (3-door)

Note:

t	Overview of control units (4-door)

t	Overview of control units (5-door)

t	Overview of additional control units and components (5-door, with hybrid drive)

t	Overview of control units (Cabriolet)

AUDI A3 2013 Overview of control units (3-door)

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q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Fitting location and 196-pin connector:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

AUDI A3 2013 Overview of control units (4-door)

Overview of control units (4-door)

Note:

t	Overview of control units (3-door)

t	Overview of control units (5-door)

t	Overview of additional control units and components (5-door, with hybrid drive)

t	Overview of control units (Cabriolet)

AUDI A3 2013 Overview of control units (4-door)

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1 -	Control unit for right daytime running light and side light -J861-

q	Fitting location: in right gas discharge headlight

3 -	Mechatronic unit for dual clutch gearbox -J743-

q	Fitting location: on gearbox

8 -	Automatic gearbox control unit -J217-

q	Fitting location and connector:

q	Fitting location and 196-pin connector:

10 -	Control unit for left daytime running light and side light -J860-

q	Fitting location: in left gas discharge headlight

12 -	Adaptive cruise control unit -J428-

q	Fitting location and connector:

AUDI A3 2013 Overview of control units (5-door)

Overview of control units (5-door)

Note:

t	Overview of control units (3-door)

t	Overview of control units (4-door)

t	Overview of additional control units and components (5-door, with hybrid drive)

t	Overview of control units (Cabriolet)

AUDI A3 2013 Overview of control units (5-door)

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1 -	Control unit for right daytime running light and side light -J861-

q	Fitting location: in right gas discharge headlight

3 -	Mechatronic unit for dual clutch gearbox -J743-

q	Fitting location: on gearbox

6 -	Wiper motor control unit -J400-

q	Fitting location: in plenum chamber

q	Fitting location and 196-pin connector:

9 -	Control unit for left daytime running light and side light -J860-

q	Fitting location: in left gas discharge headlight

10 -	Radiator fan control unit -J293-

q	Fitting location: on radiator

AUDI A3 2013 Overview of additional control units and components (5-door, with hybrid drive)

Overview of additional control units and components (5-door, with hybrid drive)

Note:

t	Overview of control units (3-door)

t	Overview of control units (4-door)

t	Overview of control units (5-door)

t	Overview of control units (Cabriolet)

AUDI A3 2013 Overview of additional control units and components (5-door, with hybrid drive)

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8 -	High-voltage battery charging socket 1 -UX4-

q	Only for models with Japan equipment

q	for models with US equipment only

q	Fitting location and connector:

AUDI A3 2013 Overview of control units (Cabriolet)

Overview of control units (Cabriolet)

Note:

t	Overview of control units (3-door)

t	Overview of control units (4-door)

t	Overview of control units (5-door)

t	Overview of additional control units (5-door, with hybrid drive)

AUDI A3 2013 Overview of control units (Cabriolet)

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1 -	Control unit for right daytime running light and side light -J861-

q	Fitting location: in right gas discharge headlight

3 -	ABS control unit -J104-

q	Fitting location and connector:

6 -	Power steering control unit -J500-

q	Fitting location and connectors:

q	Fitting location and 196-pin connector:

8 -	Control unit for left daytime running light and side light -J860-

q	Fitting location: in left gas discharge headlight

10 -	Adaptive cruise control unit -J428-

q	Fitting location and connector:

AUDI A3 2013 Battery monitor control unit J367

Battery monitor control unit -J367-

Fitting location:

on the battery.

AUDI A3 2013 Battery monitor control unit J367

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A -	2-pin connector -T2b- , black

AUDI A3 2013 ABS control unit J104

ABS control unit -J104-

Fitting location:

in the engine compartment.

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A -	ABS control unit -J104-

Engine control unit -J623- (154-pin)

Fitting location:

in engine compartment, between battery and electronics box

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A -	Engine control unit -J623-

A1 -	94-pin connector -T94- , black

A2 -	60-pin connector -T60- , black

AUDI A3 2013

Engine control unit -J623- (196-pin)

Fitting location:

in engine compartment, between battery and electronics box

Get access to all wiring diagrams of the car

A -	Engine control unit -J623-

A1 -	91-pin connector -T91- , black

A2 -	105-pin connector -T105- , black

AUDI A3 2013 Power steering control unit J500

Power steering control unit -J500-

Fitting location:

Steering box

AUDI A3 2013 Power steering control unit J500

Get access to all wiring diagrams of the car

A -	Power steering control unit -J500-

A1 -	3-pin connector -T3z- , black

A2 -	2-pin connector -T2ag- , black

A3 -	5-pin connector -T5f-

AUDI A3 2013 Adaptive cruise control unit J428

Adaptive cruise control unit -J428-

Fitting location:

in bumper.

AUDI A3 2013 Adaptive cruise control unit J428

Get access to all wiring diagrams of the car

A -	Adaptive cruise control unit -J428-

A1 -	8-pin connector -T8m- , black

AUDI A3 2013 Auxiliary heater control unit J364

Auxiliary heater control unit -J364-

Fitting location:

Near front right longitudinal member

AUDI A3 2013 Auxiliary heater control unit J364

Get access to all wiring diagrams of the car

A -	Auxiliary heater control unit -J364-

A1 -	6-pin connector -T6t- , black

A2 -	2-pin connector -T2v- , black

A3 -	2-pin connector -T2x-

A4 -	4-pin connector -T4r-

A5 -	not assigned

A6 -	2-pin connector -T2y-

AUDI A3 2013 Three-phase current drive VX54

Three-phase current drive -VX54-

Fitting location:

in the engine compartment.

AUDI A3 2013 Three-phase current drive VX54

Get access to all wiring diagrams of the car

1 -	Three-phase current drive -VX54-

2 -	High-voltage wire 3 for drive motor -P6-

3 -	High-voltage wire 2 for drive motor -P5-

4 -	High-voltage wire 1 for drive motor -P4-

A -	2-pin connector -T2vx- , black

B -	10-pin connector -T10h- , black

AUDI A3 2013 Maintenance connector for high-voltage system TW

Maintenance connector for high-voltage system -TW-

Fitting location:

in the engine compartment.

AUDI A3 2013 Maintenance connector for high-voltage system TW

Get access to all wiring diagrams of the car

1 -	Maintenance connector for high-voltage system -TW-

A -	4-pin connector -T4dk- , green

AUDI A3 2013 High voltage heater (PTC) control unit J848

High voltage heater (PTC) control unit -J848-

Fitting location:

At centre tunnel, close to catalytic converter

AUDI A3 2013 High voltage heater (PTC) control unit J848

Get access to all wiring diagrams of the car

1 -	High voltage heater (PTC) control unit -J848-

2 -	High-voltage wire for high-voltage heater (PTC) -P11-

A -	8-pin connector -T8r- , black

AUDI A3 2013 Brake servo NX6

Brake servo -NX6-

Fitting location:

Close to bulkhead

Get access to all wiring diagrams of the car

1 -	Brake servo -NX6-

A -	4-pin connector -T4ae- , black

B -	26-pin connector -T26d- , black

C -	2-pin connector -T2fj- , black

AUDI A3 2013 Pressure accumulator for brake system VX70

Pressure accumulator for brake system -VX70-

Fitting location:

In left of engine compartment.

AUDI A3 2013 Pressure accumulator for brake system VX70

Get access to all wiring diagrams of the car

1 -	Pressure accumulator for brake system -VX70-

A -	4-pin connector -T4dm- , black

AUDI A3 2013 Power and control electronics for electric drive JX1

Power and control electronics for electric drive -JX1-

Fitting location:

In left of engine compartment.

AUDI A3 2013 Power and control electronics for electric drive JX1

Get access to all wiring diagrams of the car

1 -	Power and control electronics for electric drive -JX1-

2 -	High-voltage wire for hybrid battery, negative terminal -P2-

3 -	High-voltage wire for hybrid battery, positive terminal -P1-

4 -	High-voltage wire for high-voltage battery charger -P25-

5 -	High-voltage wire 3 for drive motor -P6-

6 -	High-voltage wire 2 for drive motor -P5-

7 -	High-voltage wire 1 for drive motor -P4-

A -	28-pin connector -T28- , black

AUDI A3 2013 High-voltage battery charger control unit J1050

High-voltage battery charger control unit -J1050-

Fitting location:

In left of engine compartment.

AUDI A3 2013 High-voltage battery charger control unit J1050

Get access to all wiring diagrams of the car

1 -	High-voltage battery charger control unit -J1050-

2 -	High-voltage wire for charging socket

3 -	High-voltage wire for high-voltage battery charger -P25-

4 -	High-voltage wire for high-voltage heater (PTC) -P11-

5 -	High-voltage wire for electrical air conditioner compressor -P3-

A -	60-pin connector -T60a- , black

AUDI A3 2013 High-voltage battery charging socket 1 UX4

High-voltage battery charging socket 1 -UX4-

Fitting location:

in front bumper.

AUDI A3 2013 High-voltage battery charging socket 1 UX4

Get access to all wiring diagrams of the car

1 -	High-voltage wire for charging socket

A -	8-pin connector -T8f- , black

B -	High-voltage battery charging socket 1 -UX4-

AUDI A3 2013 High-voltage battery charging socket 1 UX4

High-voltage battery charging socket 1 -UX4-

Fitting location:

in front bumper.

Get access to all wiring diagrams of the car

1 -	High-voltage wire for charging socket

A -	8-pin connector -T8f- , black

B -	High-voltage battery charging socket 1 -UX4-

AUDI A3 2013 Control unit for air conditioner compressor J842

Control unit for air conditioner compressor -J842-

Fitting location:

in engine compartment, right.

AUDI A3 2013 Control unit for air conditioner compressor J842

Get access to all wiring diagrams of the car

1 -	Control unit for air conditioner compressor -J842-

2 -	High-voltage wire for electrical air conditioner compressor -P3-

A -	8-pin connector -T8s- , black

AUDI A3 2013 Automatic gearbox control unit J217

Automatic gearbox control unit -J217-

Fitting location:

In front left wheel housing.

AUDI A3 2013 Automatic gearbox control unit J217

Get access to all wiring diagrams of the car

1 -	Automatic gearbox control unit -J217-

A -	52-pin connector -T52a- , black

AUDI A3 2013 Overview of fuses (3-door)

Overview of fuses (3-door)

Note:

t	Overview of fuses (4-door)

t	Overview of fuses (5-door)

t	Overview of fuses (Cabriolet)

Get access to all wiring diagrams of the car

q	Fuse assignment:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Fuse assignment:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Fuse assignment as of May 2013:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Fuse assignment:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Fuse assignment as of May 2013:

q	Fuse assignment as of May 2014:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Fitting location for right-hand drive models:

q	Fuse assignment:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Fitting location for right-hand drive models:

q	Fuse assignment up to April 2013:

q	Fuse assignment as of May 2013:

q	Fuse assignment as of May 2014:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Fuse assignment:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

AUDI A3 2013 Overview of fuses (4-door)

Overview of fuses (4-door)

Note:

t	Overview of fuses (3-door)

t	Overview of fuses (5-door)

t	Overview of fuses (Cabriolet)

Get access to all wiring diagrams of the car

q	Fuse assignment:

q	Fuse assignment:

q	Fuse assignment as of May 2013:

q	Fuse assignment:

q	Fuse assignment as of May 2013:

q	Fuse assignment as of May 2014:

q	Fitting location for right-hand drive models:

q	Fuse assignment:

q	Fitting location for right-hand drive models:

q	Fuse assignment up to April 2013:

q	Fuse assignment as of May 2013:

q	Fuse assignment as of May 2014:

q	Fuse assignment:

AUDI A3 2013 Overview of fuses (5-door)

Overview of fuses (5-door)

Note:

t	Overview of fuses (3-door)

t	Overview of fuses (4-door)

t	Overview of fuses (Cabriolet)

Get access to all wiring diagrams of the car

q	Fitting location with hybrid drive:

q	Fuse assignment with and without hybrid drive, without RS3:

q	Fuse assignment with RS3:

q	Fitting location with hybrid drive:

q	Fuse assignment:

q	Fuse assignment as of May 2013:

q	Fuse assignment:

q	Fuse assignment as of May 2013:

q	Fuse assignment as of May 2014:

q	Fitting location for right-hand drive models:

q	Fuse assignment:

q	Fitting location for right-hand drive models:

q	Fuse assignment up to April 2013:

q	Fuse assignment as of May 2013:

q	Fuse assignment as of May 2014:

q	Fuse assignment:

7 -	Fuse holder in main fuse box in luggage compartment

q	Components: -S131- , -S132- , -S133- , -S1-

q	Fitting location with RS3:

q	Fuse assignment with RS3:

8 -	Fuse holder for battery in luggage compartment

q	Components: -S162- , -S163-

q	Fitting location with hybrid drive:

q	Fuse assignment, with hybrid drive:

AUDI A3 2013 Overview of fuses (Cabriolet)

Overview of fuses (Cabriolet)

Note:

t	Overview of fuses (3-door)

t	Overview of fuses (4-door)

t	Overview of fuses (5-door)

AUDI A3 2013 Overview of fuses (Cabriolet)

Get access to all wiring diagrams of the car

q	Fuse assignment:

q	Fuse assignment:

q	Fuse assignment as of May 2013:

q	Fitting location for right-hand drive models:

q	Fuse assignment, from November 2013:

q	Fuse assignment:

q	Fuse assignment as of May 2013:

q	Fuse assignment as of May 2014:

q	Fuse assignment, from November 2013:

q	Fitting location for right-hand drive models:

q	Fuse assignment:

q	Fitting location for right-hand drive models:

q	Fuse assignment as of May 2013:

q	Fuse assignment as of May 2014:

q	Fuse assignment:

AUDI A3 2013

Fitting location fuse holder A -SA- , without hybrid drive

Get access to all wiring diagrams of the car

SA -	Fuse holder A

SA1 -

Fuse 1 on fuse holder A

SA2 -

Fuse 2 on fuse holder A

SA3 -

Fuse 3 on fuse holder A

SA4 -

Fuse 4 on fuse holder A

SA5 -

Fuse 5 on fuse holder A

AUDI A3 2013

Fitting location fuse holder A -SA- , with hybrid drive

Get access to all wiring diagrams of the car

A -	Fuse holder A

SA1 -

Fuse 1 on fuse holder A ,

SA2 -

Fuse 2 on fuse holder A ,

SA3 -

Fuse 3 on fuse holder A ,

SA4 -

Fuse 4 on fuse holder A ,

SA5 -

Fuse 5 on fuse holder A ,

SA6 -

Fuse 6 on fuse holder A ,

AUDI A3 2013

Fuse assignment fuse holder A -SA- , with and without hybrid drive, without RS3

Screw location	Current Flow Diagram designation	Nominal value	Function/component	Terminal
J1A	Fuse 1 on fuse holder A -SA1-	125 A	Supply for the fuses:	30
			-SC4- …-SC14-
			-SC30-
			-SC31-
			-SC38-
			-SC39-
			-SC41-
			-SC42-
			-SC53-
			Front passenger seat adjustment thermal fuse 1 -S46-
			Terminal 15 voltage supply relay -J329-
G1A	Fuse 2 on fuse holder A -SA2-	150 A ¹⁾ 200 A ²⁾ 250 A ³⁾ 400 A ⁴⁾ 250 A ⁵⁾	Alternator -C-	30
			Power and control electronics for electric drive -JX1-⁵⁾
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	Supply for the fuses:	30
			-SC15- …-SC20-
			-SC23- …-SC28-
			-SB43- …-SB45-
L1A	Fuse 5 on fuse holder A -SA5-	80 A ⁵⁾ 50 A ⁶⁾	Radiator fan control unit -J293-	30
P1A	Fuse 6 on fuse holder A -SA6-	50 A ⁵⁾	Mechatronic unit for dual clutch gearbox -J743-^{5) 7)}	30

¹⁾ for models with 90 A alternator only, up to April 2013

²⁾ for models with 140 A alternator only, up to April 2013

³⁾ for models with 180 A alternator only, up to April 2013

⁴⁾ for models with alternator only, from May 2013

⁵⁾ for models with hybrid drive only

⁶⁾ for models with hybrid drive only

⁷⁾ for models with 6-speed dual clutch gearbox 0DD only

AUDI A3 2013

Fuse assignment, fuse holder A -SA- , with RS3

Screw location	Current Flow Diagram designation	Nominal value	Function/component	Terminal
J1A	Fuse 1 on fuse holder A -SA1-	80 A	Radiator fan control unit -J293-	30
G1A	Fuse 2 on fuse holder A -SA2-	400 A	Alternator -C-	30
E1A	Fuse 3 on fuse holder A -SA3-	-		-
K2A	Fuse 4 on fuse holder A -SA4-	80 A	Power steering control unit -J500-	30
L1A		-		-

AUDI A3 2013

Fitting location fuse holder B -SB- , without hybrid drive

Get access to all wiring diagrams of the car

A -	Fuse holder B -SB- ;

Fuse colours:

t	50 A - red

t	40 A - orange

t	30 A - light-green

t	25 A - natural (white)

t	20 A - yellow

t	15 A - light blue

t	10 A - red

t	7.5 A - brown

t	5 A - light-brown

t	3 A - violet

AUDI A3 2013

Fitting location fuse holder B -SB- , with hybrid drive

Get access to all wiring diagrams of the car

A -	Fuse holder B -SB- ;

Fuse colours:

t	50 A - red

t	40 A - orange

t	30 A - light-green

t	25 A - natural (white)

t	20 A - yellow

t	15 A - light blue

t	10 A - red

t	7.5 A - brown

t	5 A - light-brown

t	3 A - violet

AUDI A3 2013 Fuse assignment on fuse holder B SB

Fuse assignment on fuse holder B -SB-

Slot	Current Flow Diagram designation	Nominal value	Function/component	Terminal
F1	Fuse 1 on fuse holder B -SB1-	40 A	ABS control unit -J104-	30
F2	Fuse 2 on fuse holder B -SB2-	40 A	ABS control unit -J104-	30
F3	Fuse 3 on fuse holder B -SB3-	15 A¹⁾ 30 A²⁾	Engine control unit -J623-	87
F4	Fuse 4 on fuse holder B -SB4-	5 A^{2) 14)} 10 A¹⁾	Oil level and oil temperature sender -G266-	87
			Engine component current supply relay -J757-¹⁴⁾
			Radiator fan control unit -J293-
			Charge pressure control solenoid valve -N75-²⁾
			Activated charcoal filter solenoid valve 1 -N80-^{3) 4)}
			Camshaft control valve 1 -N205-^{3) 4)}
			Camshaft control valve 2 -N208-⁴⁾
			Turbocharger air recirculation valve -N249-⁵⁾
			Exhaust camshaft control valve 1 -N318-⁴⁾
			Intake manifold flap valve -N316-⁵⁾
			Exhaust gas recirculation cooler changeover valve -N345-²⁾
			High-pressure valve for gas mode -N372-^{4) 6)}
			Valve for oil pressure control -N428-^{4) 5)}
			Piston cooling jet control valve -N522-⁵⁾
			Air mass meter -G70-⁵⁾
			Low heat output relay -J359-²⁾
			High heat output relay -J360-²⁾
			Relay for reducing agent metering system -J963-¹⁹⁾
			Inlet cam actuator for cylinder 2 -N583-⁴⁾
			Exhaust cam actuator for cylinder 2 -N587-⁴⁾
			Inlet cam actuator for cylinder 3 -N591-⁴⁾
			Exhaust cam actuator for cylinder 3 -N595-⁴⁾
			Coolant shortage indicator control unit -J120-¹³⁾
F5	Fuse 5 on fuse holder B -SB5-	10 A^{5) 2) 13)} 7.5 A⁶⁾ 15 A¹⁴⁾	Engine component current supply relay -J757-⁵⁾	87
			Activated charcoal filter solenoid valve 1 -N80-¹⁴⁾
			Valve for oil pressure control -N428-¹⁴⁾
			Intake manifold flap valve -N316-¹⁴⁾
			Charge pressure control solenoid valve -N75-¹⁴⁾
			Turbocharger air recirculation valve -N249-¹⁴⁾
			Oil level and oil temperature sender -G266-¹⁴⁾
			Exhaust flap control unit -J883-¹⁴⁾
			Exhaust flap control unit 2 -J945-¹⁴⁾
			Injector 2 for cylinder 1 -N532-⁵⁾
			Injector 2 for cylinder 2 -N533-⁵⁾
			Injector 2 for cylinder 3 -N534-⁵⁾
			Injector 2 for cylinder 4 -N535-⁵⁾
			Actuator 1 for camshaft adjustment -F366-⁵⁾
			Actuator 2 for camshaft adjustment -F367-⁵⁾
			Actuator 3 for camshaft adjustment -F368-⁵⁾
			Actuator 4 for camshaft adjustment -F369-⁵⁾
			Actuator 5 for camshaft adjustment -F370-⁵⁾
			Actuator 6 for camshaft adjustment -F371-⁵⁾
			Actuator 7 for camshaft adjustment -F372-⁵⁾
			Actuator 8 for camshaft adjustment -F373-⁵⁾
			Fuel pressure regulating valve -N276-²⁾
			Fuel metering valve -N290-²⁾
			Camshaft control valve 1 -N205-²⁾
			Relay for gas shut-off valves -J908-⁶⁾
			Gas injection valve 1 -N366-⁶⁾
			Gas injection valve 2 -N367-⁶⁾
			Gas injection valve 3 -N368-⁶⁾
			Gas injection valve 4 -N369-⁶⁾
			Coolant valve for gearbox -N488-¹³⁾
			Coolant pump for high-temperature circuit -V467-¹³⁾
			Coolant circulation pump 2 -V178-¹³⁾
F6	Fuse 6 on fuse holder B -SB6-	5 A	Brake light switch -F-	87
			Brake pedal switch -F47-¹⁴⁾
			Brake pedal switch -F63-
F7	Fuse 7 on fuse holder B -SB7-	10 A^{2) 3) 4) 18)} 5 A^{5) 7)} 7,5 A^{5) 8)} 15 A¹³⁾ 5 A ¹⁴⁾	Fuel pressure regulating valve -N276-^{3) 4)}	87
			Solenoid valve for coolant circuit -N492-¹⁴⁾
			Coolant circulation pump -V50-¹⁴⁾
			Additional coolant pump relay -J496-¹⁴⁾
			Ethanol concentration sender -G708-¹⁸⁾
			Continued coolant circulation pump -V51-^{3) 4) 18)}
			Coolant shut-off valve -N82-⁵⁾
			Coolant valve for gearbox -N488-⁵⁾
			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⁾
			Coolant changeover valve 1 -N632-¹³⁾
			Coolant changeover valve 2 -N633-¹³⁾
			Coolant pump for low-temperature circuit -V468-¹³⁾
F8	Fuse 8 on fuse holder B -SB8-	10 A^{2) 3) 4)} 15 A^{5) 9) 13) 14)}	Lambda probe heater -Z19-	87
			Lambda probe 1 heater after catalytic converter -Z29-
F9	Fuse 9 on fuse holder B -SB9-	20 A^{3) 4)} 10 A^{5) 14)} 5 A²⁾	Ignition coil 1 with output stage -N70-^{3) 4)}	87
			Camshaft control valve 1 -N205-¹⁴⁾
			Exhaust camshaft control valve 1 -N318-¹⁴⁾
			Ignition coil 2 with output stage -N127-^{3) 4)}
			Ignition coil 3 with output stage -N291-^{3) 4)}
			Ignition coil 4 with output stage -N292-^{3) 4)}
			Exhaust flap control unit -J883-⁵⁾
			Activated charcoal filter solenoid valve 1 -N80-⁵⁾
			Camshaft control valve 1 -N205-⁵⁾
			Exhaust camshaft control valve 1 -N318-⁵⁾
			Continued coolant circulation pump -V51-⁵⁾
			Automatic glow period control unit -J179-²⁾
			Air mass meter -G70-²⁾
			Heater element for crankcase breather -N79-²⁾
			Fuel tank shut-off valve -N288-¹³⁾
F10	Fuse 10 on fuse holder B -SB10-	15 A¹⁾ 20 A^{2) 14)}	Fuel pump control unit -J538-	87
F11	Fuse 11 on fuse holder B -SB11-	40 A 50 A¹³⁾	Auxiliary air heater element -Z35-²⁾	87
			Secondary air pump motor -V101-^{5) 13)}
F12	Fuse 12 on fuse holder B -SB12-	40 A	Auxiliary air heater element -Z35-²⁾	87
F13	Fuse 13 on fuse holder B -SB13-	15 A^{10) 15) 16)} 30 A^{11) 17)}	Mechatronic unit for dual clutch gearbox -J743-^{10) 11) 15) 16)}	30
			Automatic gearbox control unit -J217-¹⁷⁾
F14	Fuse 14 on fuse holder B -SB14-	30 A¹⁴⁾	Ignition coil 1 with output stage -N70-¹⁴⁾	87
			Ignition coil 2 with output stage -N127-¹⁴⁾
			Ignition coil 3 with output stage -N291-¹⁴⁾
			Ignition coil 4 with output stage -N292-¹⁴⁾
			Ignition coil 5 with output stage -N323-¹⁴⁾
F15	Fuse 15 on fuse holder B -SB15-	15 A	Horn relay -J413-	30
F16	Fuse 16 on fuse holder B -SB16-	5 A⁶⁾ 10 A¹³⁾ 20 A⁵⁾ 30 A¹⁴⁾	Relay for gas shut-off valves -J908-⁶⁾	30
			Fuel tank shut-off valve 1 -N361-⁶⁾
			Fuel tank shut-off valve 2 -N362-⁶⁾
			Engine component current supply relay -J757-^{5) 14)}
			Ignition coil 1 with output stage -N70-⁵⁾
			Ignition coil 2 with output stage -N127-⁵⁾
			Ignition coil 3 with output stage -N291-⁵⁾
			Ignition coil 4 with output stage -N292-⁵⁾
			Power and control electronics for electric drive -JX1-¹³⁾
			High-voltage battery charger control unit -J1050-¹³⁾
			Fuse 14 on fuse holder B -SB14-¹⁴⁾
			Fuse 31 on fuse holder B -SB31-¹⁴⁾
F17	Fuse 17 on fuse holder B -SB17-	7.5 A	Main relay -J271-¹⁾	30
			Terminal 30 voltage supply relay -J317-²⁾
			Engine control unit -J623-
			ABS control unit -J104-
F18	Fuse 18 on fuse holder B -SB18-	5 A	Battery monitor control unit -J367-	30
			Data bus diagnostic interface -J533-
F19	Fuse 19 on fuse holder B -SB19-	30 A	Wiper motor control unit -J400-	30
F20	Fuse 20 on fuse holder B -SB20-	10 A	Alarm horn -H12-	30
F21	not assigned	-		-
F22	Fuse 22 on fuse holder B -SB22-	5 A	Engine control unit -J623-	50
F23	Fuse 23 on fuse holder B -SB23-	30 A	Starter -B-	50
F24	Fuse 24 on fuse holder B -SB24-	40 A	Auxiliary air heater element -Z35-²⁾	87²⁾ 30¹³⁾
			Brake servo -NX6-¹³⁾
F25	not assigned	-		-
F26	not assigned	-		-
F27	not assigned	-		-
F28	not assigned	-		-
F29	not assigned	-		-
F30	not assigned	-		-
F31	Fuse 31 on fuse holder B -SB31-	5 A^{7) 12)} 7.5 A¹³⁾ 15 A⁸⁾ 10 A¹⁴⁾	Output module for left headlight -J667-^{7) 12)}	87
			Fuel metering valve -N290-¹⁴⁾
			Vacuum pump relay -J57-⁸⁾
			Vacuum pump for brakes -V192-⁸⁾
			Coolant circulation pump before power and control electronics for electric drive -V508-¹³⁾
F32	Fuse 32 on fuse holder B -SB32-	5 A	Output module for right headlight -J668-¹²⁾	87
			Output module for left headlight -J667-^{8) 12)}
F33	Fuse 33 on fuse holder B -SB33-	30 A	Brake system pressure accumulator -VX70-¹³⁾	30
F34	Fuse 34 on fuse holder B -SB34-	5 A	Brake servo -NX6-¹³⁾	30
F35	Fuse 35 on fuse holder B -SB35-	7.5 A	Air conditioning system relay -J32-¹³⁾	30
			Pressure sender for refrigerant circuit -G805-¹³⁾
			Refrigerant pressure and temperature sender -G395-¹³⁾
			Control unit for air conditioning compressor -J842-¹³⁾
			High voltage heater (PTC) control unit -J848-¹³⁾
F36	not assigned
F37	Fuse 37 on fuse holder B -SB37-	20 A	Auxiliary heater control unit -J364-	30
F38	Fuse 38 on fuse holder B -SB38-	20 A	Vacuum pump relay -J57-⁷⁾	30

¹⁾ Only models with petrol engine

²⁾ for models with diesel engine only

³⁾ for models with 1.2 l engine only

⁴⁾ for models with 1.4 l engine only

⁵⁾ for models with 1.8 l or 2.0 l engine only

⁶⁾ for CNG models only

⁷⁾ up to April 2013

⁸⁾ From May 2013

⁹⁾ for models with engine code CPTA, CZEA only

¹⁰⁾ for models with dual clutch gearbox 0D9 only

¹¹⁾ for models with dual clutch gearbox 0CW only

¹²⁾ for models with LED headlights only

¹³⁾ for models with hybrid drive only

¹⁴⁾ for RS3 only

¹⁵⁾ for models with dual clutch gearbox 0BH only

¹⁶⁾ for models with dual clutch gearbox 0DE only

¹⁷⁾ for models with 6-speed automatic gearbox only

¹⁸⁾ for models with Brazil equipment only

¹⁹⁾ from November 2015

AUDI A3 2013 Fitting location of fuse holder C SC

Fitting location of fuse holder C -SC-

Get access to all wiring diagrams of the car

A -	Fuse holder C -SC- ,

Fuse colours:

t	50 A - red

t	40 A - orange

t	30 A - light-green

t	25 A - natural (white)

t	20 A - yellow

t	15 A - light blue

t	10 A - red

t	7.5 A - brown

t	5 A - light-brown

t	3 A - violet

AUDI A3 2013 Fuse assignment, fuse holder C SC

Fuse assignment, fuse holder C -SC-

Slot

Current Flow Diagram designation

Nominal value

Function/component

Terminal

Fuse 1 on fuse holder C -SC1-

30 A

Control unit for reducing agent metering system -J880-

Fuse 2 on fuse holder C -SC2-

10 A¹⁾

Driver seat lumbar support adjustment switch -E176-¹⁾

Front passenger seat lumbar support adjustment switch -E177-¹⁾

Driver seat lumbar support longitudinal adjustment motor -V125-¹⁾

Front passenger seat lumbar support longitudinal adjustment motor -V126-¹⁾

Driver seat lumbar support height adjustment motor -V129-¹⁾

Front passenger seat lumbar support height adjustment motor -V130-¹⁾

Fuse 3 on fuse holder C -SC3-

40 A

Convertible roof actuation hydraulic pump relay -J321-

Hydraulic pump relay 2 for convertible roof -J588-

Convertible roof actuation hydraulic pump -V118-

Fuse 4 on fuse holder C -SC4-

7.5 A

Multimedia system operating unit -E380-

Control unit 1 for information electronics -J794-

Fuse 5 on fuse holder C -SC5-

5 A

Data bus diagnostic interface -J533-

Fuse 6 on fuse holder C -SC6-

5 A

Selector lever -E313-¹⁵⁾

Anti-theft alarm sensor -G578-¹⁶⁾

Fuse 7 on fuse holder C -SC7-

10 A

Heated rear window relay -J9-

Heater control unit -J65-

Climatronic control unit -J255-

Air conditioning system control unit -J301-

Selector lever -E313-¹⁶⁾

Remote control receiver for auxiliary heater -R64-

Fuse 8 on fuse holder C -SC8-

10 A

Light switch -E1-

Electromechanical parking brake button -E538-

Humidity sender -G355-

Rain and light sensor -G397-

Anti-theft alarm sensor -G578-¹⁵⁾

16-pin connector -T16-

Emergency call module control unit and communication unit -J949-⁹⁾

Front roof module -WX3-

Fuse 9 on fuse holder C -SC9-

1 A¹⁾
5 A¹⁵⁾

Steering column electronics control unit -J527-^{1) 15)}

F10

Fuse 10 on fuse holder C -SC10-

5 A

Display unit for front information display and operating unit control unit -J685-

F11

Fuse 11 on fuse holder C -SC11-

15 A²⁾
25 A¹⁾

All-wheel drive control unit -J492-²⁾

Control unit for front left belt tensioner -J854-¹⁾

F12

Fuse 12 on fuse holder C -SC12-

15 A⁴⁾
20 A³⁾

Control unit 1 for information electronics -J794-

F13

Fuse 13 on fuse holder C -SC13-

20 A
15 A⁹⁾

Electronically controlled damping control unit -J250-

Maintenance connector for high-voltage system -TW-⁹⁾

F14

Fuse 14 on fuse holder C -SC14-

30 A

Fresh air blower control unit -J126-

F15

Fuse 15 on fuse holder C -SC15-

10 A

Control unit for electronic steering column lock -J764-

F16

Fuse 16 on fuse holder C -SC16-

7.5 A

Chip card reader control unit -J676-

TV tuner -R78-

Aerial amplifier for mobile telephone -R86-

Telephone bracket -R126-

Connection for external audio sources -R199-

F17

Fuse 17 on fuse holder C -SC17-

5 A

Control unit in dash panel insert -J285-

F18

Fuse 18 on fuse holder C -SC18-

7.5 A

Reversing camera system control unit -J772-

F19

Fuse 19 on fuse holder C -SC19-

7.5 A

Entry and start authorisation control unit -J518-

Interface control unit for vehicle location system -J843-

F20

Fuse 20 on fuse holder C -SC20-

15 A²⁾
7.5 A^{5) 6) 7)}

Driver seat lumbar support adjustment switch -E176-²⁾

Front passenger seat lumbar support adjustment switch -E177-²⁾

Driver seat lumbar support longitudinal adjustment motor -V125-²⁾

Front passenger seat lumbar support longitudinal adjustment motor -V126-²⁾

Driver seat lumbar support height adjustment motor -V129-²⁾

Front passenger seat lumbar support height adjustment motor -V130-²⁾

Control unit for fuel tank leak detection -J909-^{5) 7)}

Relay for reducing agent metering system -J963-^{6) 7)}

F21

not assigned

F22

not assigned

F23

Fuse 23 on fuse holder C -SC23-

40 A

Onboard supply control unit -J519-

F24

Fuse 24 on fuse holder C -SC24-

20 A
30 A⁸⁾

Sliding sunroof adjustment control unit -J245-

Convertible roof actuation control unit -J256-⁸⁾

F25

Fuse 25 on fuse holder C -SC25-

30 A

Driver door control unit -J386-

Rear driver side door control unit -J926-

Control unit with rear driver side window regulator motor -J1016-

Rear left window regulator motor -V26-

F26

Fuse 26 on fuse holder C -SC26-

30 A

Onboard supply control unit -J519-

t	Front seat heating

F27

Fuse 27 on fuse holder C -SC27-

30 A

Digital sound package control unit -J525-

F28

Fuse 28 on fuse holder C -SC28-

5 A^{7) 8)}
20 A²⁾

Convertible roof actuation control unit -J256-^{7) 8)}

Trailer detector control unit -J345-²⁾

F29

Fuse 29 on fuse holder C -SC29-

7.5 A

Glove compartment light switch -E26-

Driver side vanity mirror contact switch -F147-

Front passenger side vanity mirror contact switch -F148-

Glove compartment light -W6-

Front passenger side illuminated vanity mirror -W14-

Left luggage compartment light -W18-

Driver side illuminated vanity mirror -W20-

Right luggage compartment light -W35-

Front roof module -WX3-

Front interior light -WX1-

Special vehicle control unit -J608-

F30

Fuse 30 on fuse holder C -SC30-

25 A²⁾

Seat belt tensioner relay -J669-²⁾

Control unit for front left belt tensioner -J854-²⁾

F31

Fuse 31 on fuse holder C -SC31-

40 A

Onboard supply control unit -J519-

F32

Fuse 32 on fuse holder C -SC32-

7.5 A

Adaptive cruise control unit -J428-

Parking aid control unit -J446-

Park assist steering control unit -J791-

Lane change assist control unit -J769-

Lane change assist control unit 2 -J770-

Front camera for driver assist systems -R242-

F33

Fuse 33 on fuse holder C -SC33-

5 A

Airbag control unit -J234-

Front passenger airbag deactivated warning lamp -K145-

F34

Fuse 34 on fuse holder C -SC34-

7.5 A

Auto-hold button -E540-

Reversing light switch -F4-

Pressure sender for refrigerant circuit -G805-

Relay for power sockets -J807-

Control unit for structure-borne sound -J869-

Seat belt tensioner relay -J669-²⁾

F35

Fuse 35 on fuse holder C -SC35-

10 A

Headlight range control regulator -E102-

Interior mirror -EX5-

Air quality sensor -G238-

Humidity sender in fresh air intake duct -G657-

Control unit for cornering light and headlight range control -J745-

Headlight range control unit -J431-

16-pin connector -T16-

Left headlight range control motor -V48-

Right headlight range control motor -V49-

F36

Fuse 36 on fuse holder C -SC36-

15 A

Output module for right headlight -J668-

Output module 1 for right LED headlight -A27-

F37

Fuse 37 on fuse holder C -SC37-

15 A

Output module for left headlight -J667-

Output module 1 for left LED headlight -A31-

F38

Fuse 38 on fuse holder C -SC38-

20 A²⁾
15 A⁹⁾

Trailer detector control unit -J345-²⁾

Hybrid battery unit -AX1-⁹⁾

F39

Fuse 39 on fuse holder C -SC39-

30 A

Front passenger door control unit -J387-

Rear passenger side door control unit -J927-

Control unit with rear passenger side window regulator motor -J1017-

Rear right window regulator motor -V27-

F40

Fuse 40 on fuse holder C -SC40-

20 A

Electric socket -U-

Cigarette lighter -U1-

12 V socket -U5-

F41

Fuse 41 on fuse holder C -SC41-

1 A²⁾
25 A¹⁾

Steering column electronics control unit -J527-²⁾

Control unit for front right belt tensioner -J855-¹⁾

F42

Fuse 42 on fuse holder C -SC42-

40 A

Onboard supply control unit -J519-

F43

Fuse 43 on fuse holder C -SC43-

30 A

Onboard supply control unit -J519-

F44

Fuse 44 on fuse holder C -SC44-

15 A

Trailer detector control unit -J345-²⁾

All-wheel drive control unit -J492-¹⁾

F45

Fuse 45 on fuse holder C -SC45-

15 A

Driver seat adjustment operating unit -E470-

Driver seat lumbar support adjustment switch -E176-

F46

not assigned

F47

Fuse 47 on fuse holder C -SC47-

15 A

Rear window wiper motor -V12-

F48

Fuse 48 on fuse holder C -SC48-

10 A⁹⁾
5 A^{13) 14)}

Front left headlight -MX1-¹⁴⁾

Front right headlight -MX2-¹⁴⁾

Engine sound generator control unit -J943-⁹⁾

F49

Fuse 49 on fuse holder C -SC49-

5 A

Clutch position sender -G476-

Starter relay 1 -J906-

Starter relay 2 -J907-

Hybrid battery unit -AX1-⁹⁾

Power and control electronics for electric drive -JX1-⁹⁾

Current supply relay -J16-

F50

not assigned

F51

Fuse 51 on fuse holder C -SC51-

25 A²⁾

Control unit for front right belt tensioner -J855-²⁾

F52

not assigned

F53

Fuse 53 on fuse holder C -SC53-

30 A^{10) 12)}
40 A¹¹⁾
20 A⁸⁾

Heated rear window relay -J9-

Heated rear window -Z1-

¹⁾ From May 2013

²⁾ up to April 2013

³⁾ for models with MMI only

⁴⁾ Only models with radio

⁵⁾ Only models with petrol engine

⁶⁾ for models with diesel engine only

⁷⁾ from November 2013

⁸⁾ for Cabriolet only

⁹⁾ for models with hybrid drive only

¹⁰⁾ for 3-door models only

¹¹⁾ for 4-door models only

¹²⁾ for 5-door models only

¹³⁾ for RS3 only

¹⁴⁾ for models with LED headlights only

¹⁵⁾ From May 2015

¹⁶⁾ up to April 2015

Note:

On models with hybrid drive, fuse SC13 bears an emergency marking. When changing this fuse, an emergency marking must be affixed to it.

Fitting location, fuse holder D -SD-

Fitting location fuse holder D -SD- , left-hand drive

Get access to all wiring diagrams of the car

A -	Fuse holder D -SD-

Fuse colours:

t	50 A - red

t	40 A - orange

t	30 A - light-green

t	25 A - natural (white)

t	20 A - yellow

t	15 A - light blue

t	10 A - red

t	7.5 A - brown

t	5 A - light-brown

t	3 A - violet

Fitting location fuse holder D -SD- , right-hand drive

Get access to all wiring diagrams of the car

E -	Fuse holder D -SD-

Fuse colours:

t	50 A - red

t	40 A - orange

t	30 A - light-green

t	25 A - natural (white)

t	20 A - yellow

t	15 A - light blue

t	10 A - red

t	7.5 A - brown

t	5 A - light-brown

t	3 A - violet

Fuse assignment fuse holder D -SD- , from March 2012, up to April 2013

Slot	Current Flow Diagram designation	Nominal value	Function/component	Terminal
F1	Fuse 1 on fuse holder D -SD1-	15 A	Socket -U-¹⁾	15
F2	Fuse 2 on fuse holder D -SD2-	10 A	Special vehicle control unit -J608-²⁾	30
F3	not assigned	-		-
F4	not assigned	-		-

¹⁾ for driving school models only

²⁾ for models with driving aids only

AUDI A3 2013

Fuse assignment fuse holder D -SD- , from May 2013

Slot	Current Flow Diagram designation	Nominal value	Function/component	Terminal
F1	Fuse 1 on fuse holder D -SD1-	20 A	Trailer detector control unit -J345-	30
F2	Fuse 2 on fuse holder D -SD2-	15 A	Trailer detector control unit -J345-	30
F3	Fuse 3 on fuse holder D -SD3-	20 A	Trailer detector control unit -J345-	30
F4	Fuse 4 on fuse holder D -SD4-	15 A	not assigned	-

AUDI A3 2013

Fuse assignment fuse holder D -SD- , from May 2014

Slot	Current Flow Diagram designation	Nominal value	Function/component	Terminal
F1	Fuse 1 on fuse holder D -SD1-	25 A	Trailer detector control unit -J345-	30
F2	Fuse 2 on fuse holder D -SD2-	15 A	Trailer detector control unit -J345-	30
F3	Fuse 3 on fuse holder D -SD3-	25 A	Trailer detector control unit -J345-	30
F4	Fuse 4 on fuse holder D -SD4-	15 A	Trailer detector control unit -J345-	30

AUDI A3 2013

Fitting location fuse holder F -SF- , from May 2013

Get access to all wiring diagrams of the car

B -	Fuse holder F -SF- ,

Fuse colours:

t	50 A - red

t	40 A - orange

t	30 A - light-green

t	25 A - natural (white)

t	20 A - yellow

t	15 A - light blue

t	10 A - red

t	7.5 A - brown

t	5 A - light-brown

t	3 A - violet

AUDI A3 2013

Fuse assignment fuse holder F -SF- , from May 2013

Slot	Current Flow Diagram designation	Nominal value	Function/component	Terminal
F1	Fuse 1 on fuse holder F -SF1-	15 A	Socket -U-¹⁾	15
F2	Fuse 2 on fuse holder F -SF2-	10 A	Special vehicle control unit -J608-²⁾	30

¹⁾ for driving school models only

²⁾ for models with driving aids only

Fitting location of fuse holder H -SH-

Fitting location fuse holder H -SH- , left-hand drive

Get access to all wiring diagrams of the car

A -	Fuse holder H -SH-

Fuse colours:

t	50 A - red

t	40 A - orange

t	30 A - light-green

t	25 A - natural (white)

t	20 A - yellow

t	15 A - light blue

t	10 A - red

t	7.5 A - brown

t	5 A - light-brown

t	3 A - violet

Fitting location fuse holder H -SH- , right-hand drive

Get access to all wiring diagrams of the car

D -	Fuse holder H -SH-

Fuse colours:

t	50 A - red

t	40 A - orange

t	30 A - light-green

t	25 A - natural (white)

t	20 A - yellow

t	15 A - light blue

t	10 A - red

t	7.5 A - brown

t	5 A - light-brown

t	3 A - violet

Fuse assignment on fuse holder H -SH-

Slot	Current Flow Diagram designation	Nominal value	Function/component	Terminal
F1	Fuse 1 in fuse holder H -SH1-	30 A	Control unit for right neck heating -J847-	87
			Blower for right neck heating -V451-
F2	Fuse 2 in fuse holder H -SH2-	30 A	Control unit for left neck heating -J846-	87
			Blower for left neck heating -V450-

AUDI A3 2013

Fuse holder on onboard supply control unit -J519- , left-hand drive

Get access to all wiring diagrams of the car

A -	Front passenger seat adjustment thermal fuse 1 -S46- - 15 A

B -	not assigned

AUDI A3 2013

Fuse holder on onboard supply control unit -J519- , right-hand drive

Get access to all wiring diagrams of the car

A -	not assigned

B -	Front passenger seat adjustment thermal fuse 1 -S46- - 15 A

C -	not assigned

D -	Fuse holder H -SH- ,

E -	Fuse holder D -SD- ,

AUDI A3 2013 Fuse holder for battery in luggage compartment, with hybrid drive

Fuse holder for battery in luggage compartment, with hybrid drive

Get access to all wiring diagrams of the car

1 -	Fuse 1 (30) in fuse holder on battery -S162- - 200 A

2 -	Fuse 2 (30), in battery fuse holder -S163-

AUDI A3 2013 Fitting location of fuse holder in main fuse box in luggage compartment, with RS3

Fitting location of fuse holder in main fuse box in luggage compartment, with RS3

Get access to all wiring diagrams of the car

A -	Fuse holder in main fuse box in luggage compartment

1 -	Fuse 3 -S133-

2 -	Fuse 2 -S132-

3 -	Fuse 1 -S131-

4 -	Fuse 1 in fuse holder -S1-

AUDI A3 2013 Fuse assignment, fuse holder in main fuse box in luggage compartment

Fuse assignment, fuse holder in main fuse box in luggage compartment

Screw location	Current Flow Diagram designation	Nominal value	Function/component	Terminal
A1	Fuse 1 -S131-	125 A	Supply for the fuses:	30
			-SC4- …-SC14-
			-SC30-
			-SC31-
			-SC38-
			-SC39-
			-SC41-
			-SC42-
			-SC53-
			Front passenger seat adjustment thermal fuse 1 -S46-
			Terminal 15 voltage supply relay -J329-
B1	Fuse 2 -S132-	80 A	Supply for the fuses:	30
			-SC15- …-SC20-
			-SC23- …-SC28-
			-SB43- …-SB45-
C1	Fuse 3 -S133-	125 A	Fuse 4 on fuse holder A -SA4-	30
			Fuse 1 on fuse holder B -SB1-
			Fuse 2 on fuse holder B -SB2-
			Main relay -J271-
G1	Fuse 1 in fuse holder -S1-	5 A	Battery monitor control unit -J367-	30

AUDI A3 2013 Overview of coupling stations (3-door models)

Overview of coupling stations (3-door models)

Note

t	Overview of coupling stations (4-door)

t	Overview of coupling stations (5-door)

t	Overview of coupling stations (Cabriolet)

AUDI A3 2013 Overview of coupling stations (3-door models)

Get access to all wiring diagrams of the car

1 -	Coupling station for engine pre-wiring

q	Connectors: -T10c-, -T14-

q	Fitting location:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

3 -

q	Fitting location for right-hand drive models:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

4 -	Seat wiring coupling station, right

q	Connectors: -T3h-, -T5a-, -T6j-, -T10e-

q	Fitting location:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

5 -

q	Overview (4-door):

q	Overview (5-door):

6 -	Rear right coupling station, rear lid

q	Connectors: -T2l-, -T2k-, -T2ah-, -T2es-

q	Fitting location:

q	Overview (5-door):

7 -	Coupling station for rear bumper

q	Connectors: -T8z-, -T10f-

q	Fitting location:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

8 -	Coupling station, rear left side of rear lid

q	Connectors: -T2m-, -T17f-

q	Fitting location:

q	Overview (5-door):

9 -	Seat wiring coupling station, left

q	Connectors: -T3g-, -T5-, -T6i-, -T10d-

q	Fitting location:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

10 -

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

Coupling station on left A-pillar

q	Connectors, left-hand drive -T17-, -T17a-, -T17b-, -T17c-, -T17d-

q	Connectors, right-hand drive -T10a-, -T17-, -T17a-, -T17b-, -T17c-, -T17d-

q	Fitting location for left-hand drive models:

q	Fitting location for right-hand drive models:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

12 -

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

13 -

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

14 -

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

AUDI A3 2013 Overview of coupling stations (4-door models)

Overview of coupling stations (4-door models)

Note

t	Overview of coupling stations (3-door)

t	Overview of coupling stations (5-door)

t	Overview of coupling stations (Cabriolet)

AUDI A3 2013 Overview of coupling stations (4-door models)

Get access to all wiring diagrams of the car

1 -	Coupling station for engine pre-wiring

q	Connectors: -T10c-, -T14-

q	Fitting location:

q	Fitting location for right-hand drive models:

4 -	Seat wiring coupling station, right

q	Connectors: -T3h-, -T5a-, -T6j-, -T10e-

q	Fitting location:

7 -	Coupling station for rear bumper

q	Connectors: -T8z-, -T10f-

q	Fitting location:

9 -	Seat wiring coupling station, left

q	Connectors: -T3g-, -T5-, -T6i-, -T10d-

q	Fitting location:

11 -	Coupling station on left A-pillar

q	Connectors, left-hand drive -T17-, -T17a-, -T17b-, -T17c-, -T17d-

q	Connectors, right-hand drive -T10a-, -T17-, -T17a-, -T17b-, -T17c-, -T17d-

q	Fitting location for left-hand drive models:

q	Fitting location for right-hand drive models:

AUDI A3 2013 Overview of coupling stations (5-door models)

Overview of coupling stations (5-door models)

Note

t	Overview of coupling stations (3-door)

t	Overview of coupling stations (4-door)

t	Overview of coupling stations (Cabriolet)

AUDI A3 2013 Overview of coupling stations (5-door models)

Get access to all wiring diagrams of the car

1 -	Coupling station for engine pre-wiring

q	Connectors: -T10c-, -T14-

q	Fitting location:

q	Fitting location for right-hand drive models:

4 -	Seat wiring coupling station, right

q	Connectors: -T3h-, -T5a-, -T6j-, -T10e-

q	Fitting location:

6 -

q	Fitting location:

7 -	Rear right coupling station, rear lid

q	Connectors: -T2l-, -T2k-, -T2ah-, -T2es-

q	Fitting location:

8 -	Coupling station for rear bumper

q	Connectors: -T8z-, -T10f-

q	Fitting location:

9 -	Coupling station, rear left side of rear lid

q	Connectors: -T2m-, -T17f-

q	Fitting location:

10 -

q	Fitting location:

11 -	Seat wiring coupling station, left

q	Connectors: -T3g-, -T5-, -T6i-, -T10d-

q	Fitting location:

13 -	Coupling station on left A-pillar

q	Connectors, left-hand drive -T17-, -T17a-, -T17b-, -T17c-, -T17d-

q	Connectors, right-hand drive -T10a-, -T17-, -T17a-, -T17b-, -T17c-, -T17d-

q	Fitting location for left-hand drive models:

q	Fitting location for right-hand drive models:

AUDI A3 2013 Overview of coupling stations (Cabriolet)

Overview of coupling stations (Cabriolet)

Note

t	Overview of coupling stations (3-door)

t	Overview of coupling stations (4-door)

t	Overview of coupling stations (5-door)

AUDI A3 2013 Overview of coupling stations (Cabriolet)

Get access to all wiring diagrams of the car

1 -	Coupling station for engine pre-wiring

q	Connectors: -T10c-, -T14-

q	Fitting location:

q	Fitting location for right-hand drive models:

Seat wiring coupling station, right

q	Connectors: -T3h-, -T5a-, -T6j-, -T10e-, -T10r-

q	Fitting location:

5 -	Coupling station for rear bumper

q	Connectors: -T8z-, -T10f-

q	Fitting location:

6 -

Seat wiring coupling station, left

q	Connectors: -T3g-, -T5-, -T6i-, -T10d-, -T10q-

q	Fitting location:

9 -	Coupling station on left A-pillar

q	Connectors, left-hand drive -T17-, -T17a-, -T17b-, -T17c-, -T17d-

q	Connectors, right-hand drive -T10a-, -T17-, -T17a-, -T17b-, -T17c-, -T17d-

q	Fitting location for left-hand drive models:

q	Fitting location for right-hand drive models:

AUDI A3 2013 Right coupling station for door wiring harness

Right coupling station for door wiring harness

Fitting location:

on right A-pillar.

AUDI A3 2013 Right coupling station for door wiring harness

Get access to all wiring diagrams of the car

A -	27-pin connector -T27a-, black

AUDI A3 2013 Seat wiring coupling station, right

Seat wiring coupling station, right

Fitting location:

Under the seat.

AUDI A3 2013 Seat wiring coupling station, right

Get access to all wiring diagrams of the car

1 -	10-pin connector -T10e-, red

2 -	6-pin, connector -T6j-, green

3 -	3-pin connector -T3h-, yellow

4 -	5-pin connector -T5a-, black

AUDI A3 2013 Rear right coupling station, rear lid

Rear right coupling station, rear lid

Fitting location:

On rear right pillar.

AUDI A3 2013 Rear right coupling station, rear lid

Get access to all wiring diagrams of the car

1 -	2-pin connector -T2l-, white

2 -	2-pin connector -T2k-

3 -	2-pin connector -T2ah-, black

4 -	2-pin connector -T2es-, black

AUDI A3 2013 Coupling station for rear bumper

Coupling station for rear bumper

Fitting location:

in bumper.

AUDI A3 2013 Coupling station for rear bumper

Get access to all wiring diagrams of the car

1 -	8-pin connector -T8z-, black

2 -	10-pin connector -T10f-, black

AUDI A3 2013 Coupling station, rear left side of rear lid

Coupling station, rear left side of rear lid

Fitting location:

On rear left pillar.

AUDI A3 2013 Coupling station, rear left side of rear lid

Get access to all wiring diagrams of the car

1 -	2-pin connector -T2m-, black

2 -	17-pin connector -T17f-, black

AUDI A3 2013 Seat wiring coupling station, left

Seat wiring coupling station, left

Fitting location:

Under the seat.

AUDI A3 2013 Seat wiring coupling station, left

Get access to all wiring diagrams of the car

1 -	10-pin connector -T10d-, red

2 -	6-pin, connector -T6i-, green

3 -	3-pin connector -T3g-, yellow

4 -	5-pin connector -T5-, black

AUDI A3 2013 Door wiring harness coupling station, left

Door wiring harness coupling station, left

Fitting location:

on left A-pillar.

AUDI A3 2013 Door wiring harness coupling station, left

Get access to all wiring diagrams of the car

A -	27-pin connector -T27-, black

AUDI A3 2013 Coupling station for engine pre-wiring

Coupling station for engine pre-wiring

Fitting location:

In engine compartment, front left.

AUDI A3 2013 Coupling station for engine pre-wiring

Get access to all wiring diagrams of the car

1 -	10-pin connector -T10c-, black

q	for models with diesel engines only

2 -	14-pin connector -T14-, grey

AUDI A3 2013 Coupling station for front bumper

Coupling station for front bumper

Fitting location:

in bumper.

AUDI A3 2013 Coupling station for front bumper

Get access to all wiring diagrams of the car

1 -	6-pin, connector -T6h-, black

q	only for models without parking aid, with pedestrian protection

1 -	8-pin connector -T8v-, black

q	only for models with parking aid, without pedestrian protection

1 -	14-pin connector -T14a-, black

q	only for models with parking aid and pedestrian protection

AUDI A3 2013 Coupling station, alternator

Coupling station, alternator

Fitting location:

In engine compartment, front left.

AUDI A3 2013 Coupling station, alternator

Get access to all wiring diagrams of the car

1 -	8-pin connector -T8-, black

q	Depending on equipment

1 -	4-pin connector -T4f-, black

q	Depending on equipment

1 -	10-pin connector -T10p-, black

q	Depending on equipment

AUDI A3 2013 Coupling station on left A-pillar, left-hand drive model

Coupling station on left A-pillar, left-hand drive model

Fitting location:

on left A-pillar.

Get access to all wiring diagrams of the car

1 -	17-pin connector -T17d-, green

2 -	17-pin connector -T17a-, black

3 -	17-pin connector -T17c-, red

4 -	17-pin connector -T17b-, brown

5 -	17-pin connector -T17-, blue

AUDI A3 2013 Coupling station on left A-pillar, right-hand drive model

Coupling station on left A-pillar, right-hand drive model

Fitting location:

on left A-pillar.

Get access to all wiring diagrams of the car

1 -	17-pin connector -T17d-, green

2 -	17-pin connector -T17a-, black

3 -	17-pin connector -T17c-, red

4 -	17-pin connector -T17b-, brown

5 -	17-pin connector -T17-, blue

6 -	10-pin connector -T10a-, white

AUDI A3 2013 Coupling station on right A-pillar, left-hand drive model

Coupling station on right A-pillar, left-hand drive model

Fitting location:

on right A-pillar.

Get access to all wiring diagrams of the car

1 -	10-pin connector -T10a-, white

AUDI A3 2013 Coupling station for radiator fan

Coupling station for radiator fan

Fitting location:

in left of engine compartment.

AUDI A3 2013 Coupling station for radiator fan

Get access to all wiring diagrams of the car

1 -	4-pin connector -T4g-, black

AUDI A3 2013 Coupling station for roof wiring harness

Coupling station for roof wiring harness

Fitting location:

near front roof module.

AUDI A3 2013 Coupling station for roof wiring harness

Get access to all wiring diagrams of the car

1 -	6-pin, connector -T6ab-, black

AUDI A3 2013 Rear left coupling station for door wiring harness

Rear left coupling station for door wiring harness

Fitting location:

on left B-pillar.

AUDI A3 2013 Rear left coupling station for door wiring harness

Get access to all wiring diagrams of the car

A -	27-pin connector -T27b-, black

AUDI A3 2013 Rear right coupling station for door wiring harness

Rear right coupling station for door wiring harness

Fitting location:

on right B-pillar.

AUDI A3 2013 Rear right coupling station for door wiring harness

Get access to all wiring diagrams of the car

A -	27-pin connector -T27c-, black

AUDI A3 2013 Seat wiring coupling station, right

Seat wiring coupling station, right

Fitting location:

Under the seat.

Get access to all wiring diagrams of the car

1 -	5-pin connector -T5a-, black

2 -	3-pin connector -T3h-, yellow

3 -	6-pin, connector -T6j-, green

4 -	10-pin connector -T10e-, red

5 -	10-pin connector -T10r-, black

AUDI A3 2013 Coupling station, rear left side of luggage compartment lid

Coupling station, rear left side of luggage compartment lid

Fitting location:

behind left side trim in luggage compartment.

AUDI A3 2013 Coupling station, rear left side of luggage compartment lid

Get access to all wiring diagrams of the car

1 -	12-pin connector -T12j-, black

2 -	2-pin connector -T2fq-

3 -	12-pin connector -T12i-, black

AUDI A3 2013 Seat wiring coupling station, left

Seat wiring coupling station, left

Fitting location:

Under the seat.

Get access to all wiring diagrams of the car

1 -	5-pin connector -T5-, black

2 -	3-pin connector -T3g-, yellow

3 -	6-pin, connector -T6i-, green

4 -	10-pin connector -T10d-, red

5 -	10-pin connector -T10q-, black

AUDI A3 2013 Overview of earth points (3-door)

Overview of earth points (3-door)

Note

t	Overview of earth points (4-door)

t	Overview of earth points (5-door)

t	Overview of earth points (Cabriolet)

AUDI A3 2013 Overview of earth points (3-door)

Get access to all wiring diagrams of the car

12	Earth point on left in engine compartment

q	Fitting location:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

57	Earth point, left rear pillar

q	Fitting location:

q	Overview (5-door):

62	Earth point, right C-pillar

q	Fitting location:

q	Overview (5-door):

75	Earth point, rear right pillar

q	Fitting location:

q	Overview (5-door):

612	Earth point at centre on rear lid

q	Fitting location:

q	Overview (5-door):

638	Earth point on right A-pillar

q	Fitting location:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

639	Earth point on left A-pillar

q	Fitting location:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

656	Earth point, on right headlight

q	Fitting location:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

671	Earth point 1 on front left longitudinal member

q	Fitting location:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

672	Earth point 2 on front left longitudinal member

q	Fitting location:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

684	Earth point on front of left side member

q	Fitting location:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

685	Earth point 1 on front right longitudinal member

q	Fitting location:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

687	Earth point 1 on centre tunnel

q	Fitting location:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

751	Earth point 2 on right A-pillar

q	Fitting location:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

AUDI A3 2013 Overview of earth points (4-door)

Overview of earth points (4-door)

Note

t	Overview of earth points (3-door)

t	Overview of earth points (5-door)

t	Overview of earth points (Cabriolet)

AUDI A3 2013 Overview of earth points (4-door)

Get access to all wiring diagrams of the car

12	Earth point on left in engine compartment

q	Fitting location:

41	Earth point, under rear shelf

q	Fitting location:

50	Earth point on left in luggage compartment

q	Fitting location:

q	Overview (Cabriolet):

51	Earth point on right in luggage compartment

q	Fitting location:

q	Overview (Cabriolet):

638	Earth point on right A-pillar

q	Fitting location:

639	Earth point on left A-pillar

q	Fitting location:

654	Earth point on right D-pillar

q	Fitting location:

656	Earth point, on right headlight

q	Fitting location:

671	Earth point 1 on front left longitudinal member

q	Fitting location:

672	Earth point 2 on front left longitudinal member

q	Fitting location:

684	Earth point on front of left side member

q	Fitting location:

685	Earth point 1 on front right longitudinal member

q	Fitting location:

687	Earth point 1 on centre tunnel

q	Fitting location:

751	Earth point 2 on right A-pillar

q	Fitting location:

AUDI A3 2013 Overview of earth points (5-door)

Overview of earth points (5-door)

Note

t	Overview of earth points (3-door)

t	Overview of earth points (4-door)

t	Overview of earth points (Cabriolet)

AUDI A3 2013 Overview of earth points (5-door)

Get access to all wiring diagrams of the car

12	Earth point on left in engine compartment

q	Fitting location:

57	Earth point, left rear pillar

q	Fitting location:

62	Earth point, right C-pillar

q	Fitting location:

75	Earth point, rear right pillar

q	Fitting location:

612	Earth point at centre on rear lid

q	Fitting location:

638	Earth point on right A-pillar

q	Fitting location:

639	Earth point on left A-pillar

q	Fitting location:

656	Earth point, on right headlight

q	Fitting location:

671	Earth point 1 on front left longitudinal member

q	Fitting location:

672	Earth point 2 on front left longitudinal member

q	Fitting location:

673	Earth point 3 on front left longitudinal member

q	Fitting location:

q	For models with hybrid drive only

684	Earth point on front of left side member

q	Fitting location:

685	Earth point 1 on front right longitudinal member

q	Fitting location:

687	Earth point 1 on centre tunnel

q	Fitting location:

751	Earth point 2 on right A-pillar

q	Fitting location:

AUDI A3 2013 Overview of earth points (Cabriolet)

Overview of earth points (Cabriolet)

Note

t	Overview of earth points (3-door)

t	Overview of earth points (4-door)

t	Overview of earth points (5-door)

AUDI A3 2013 Overview of earth points (Cabriolet)

Get access to all wiring diagrams of the car

12	Earth point on left in engine compartment

q	Fitting location:

50	Earth point on left in luggage compartment

q	Fitting location:

51	Earth point on right in luggage compartment

q	Fitting location:

638	Earth point on right A-pillar

q	Fitting location:

639	Earth point on left A-pillar

q	Fitting location:

656	Earth point, on right headlight

q	Fitting location:

671	Earth point 1 on front left longitudinal member

q	Fitting location:

672	Earth point 2 on front left longitudinal member

q	Fitting location:

675	Earth point 2 on right in luggage compartment

q	Fitting location:

676	Earth point 2 on left in luggage compartment

q	Fitting location:

684	Earth point on front of left side member

q	Fitting location:

685	Earth point 1 on front right longitudinal member

q	Fitting location:

687	Earth point 1 on centre tunnel

q	Fitting location:

729	Earth point, on rear left wheel housing

q	Fitting location:

751	Earth point 2 on right A-pillar

q	Fitting location:

Get access to all wiring diagrams of the car

638	Earth point on right A-pillar -arrow B-

Fitting location:

on right A-pillar, behind trim.

Torque:

9 Nm

Get access to all wiring diagrams of the car

639	Earth point on left A-pillar -arrow B-

Fitting location:

On left A-pillar, behind the trim.

Torque:

9 Nm

Get access to all wiring diagrams of the car

673	Earth point 3 on front left longitudinal member

Fitting location:

in engine compartment, at front of left longitudinal member.

AUDI A3 2013 Overview of relays (3-door)

Overview of relays (3-door)

Note

t	Overview of relays (4-door)

t	Overview of relays (5-door)

t	Overview of relays (Cabriolet)

AUDI A3 2013 Overview of relays (3-door)

Get access to all wiring diagrams of the car

1 -

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

2 -

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

AUDI A3 2013 Overview of relays (4-door)

Overview of relays (4-door)

Note

t	Overview of relays (3-door)

t	Overview of relays (5-door)

t	Overview of relays (Cabriolet)

AUDI A3 2013 Overview of relays (4-door)

Get access to all wiring diagrams of the car

AUDI A3 2013 Overview of relays (5-door)

Overview of relays (5-door)

Note

t	Overview of relays (3-door)

t	Overview of relays (4-door)

t	Overview of relays (Cabriolet)

AUDI A3 2013 Overview of relays (5-door)

Get access to all wiring diagrams of the car

Relay carrier on E-box

q	in left of engine compartment.

q	Components: -J16-, -J32-, -J120-, -J179-, -J271-, -J299-, -J317-, -J359-, -J360-, -J413-, -J757-, -J906-, -J907-, -J908-

q	Relay slot assignment, without hybrid drive:

q	Relay slot assignment, with hybrid drive:

q	Relay slot assignment, with RS3:

AUDI A3 2013 Overview of relays (Cabriolet)

Overview of relays (Cabriolet)

Note

t	Overview of relays (3-door)

t	Overview of relays (4-door)

t	Overview of relays (5-door)

AUDI A3 2013 Overview of relays (Cabriolet)

Get access to all wiring diagrams of the car

3 -

q	Relay slot assignment, right-hand drive models:

AUDI A3 2013 Relay locations on E-box, without hybrid drive

Relay locations on E-box, without hybrid drive

Get access to all wiring diagrams of the car

1 -	Automatic glow period control unit -J179-

Slot A6

2 -	Low heat output relay -J359-

Slot A7

3 -

Vacant

Slot A10

4 -	Starter relay 2 -J907-

Slot A2

5 -	Starter relay 1 -J906-

Slot A1

6 -	Horn relay -J413-

Slot A3

7 -	High heat output relay -J360-

Slot A4

7 -	Secondary air pump relay -J299-

Slot A4

8 -	Main relay -J271-

Slot A5

q	for models with petrol engines only

8 -	Terminal 30 voltage supply relay -J317-

Slot A5

q	for models with diesel engines only

9 -	Engine component current supply relay -J757-

Slot A8

9 -	Relay for gas shut-off valves -J908-

Slot A8

q	for models with engine code CPWA only

10 -	Current supply relay -J16-

Slot A9

AUDI A3 2013 Relay locations on E-box, with hybrid drive

Relay locations on E-box, with hybrid drive

Get access to all wiring diagrams of the car

1 -

Vacant

Slot A7

2 -

Vacant

Slot A2

3 -

Vacant

Slot A1

4 -	Horn relay -J413-

Slot A3

5 -	Secondary air pump relay -J299-

Slot A4

6 -	Main relay -J271-

Slot A5

7 -	Air conditioning system relay -J32-

Slot A8

8 -	Current supply relay -J16-

Slot A9

9 -

Vacant

Slot A10

10 -	Coolant shortage indicator control unit -J120-

Slot A6

AUDI A3 2013 Relay locations on E-box, with RS3

Relay locations on E-box, with RS3

Get access to all wiring diagrams of the car

1 -

Vacant

Slot A7

2 -	Starter relay 2 -J907-

Slot A2

3 -	Starter relay 1 -J906-

Slot A1

4 -	Horn relay -J413-

Slot A3

5 -

Vacant

Slot A4

6 -	Main relay -J271-

Slot A5

7 -	Auxiliary coolant pump relay -J496-

Slot A8

8 -	Engine component current supply relay -J757-

Slot A11

9 -

Vacant

Slot A6

AUDI A3 2013 Relay slot assignment under left dash panel

Relay slot assignment under left dash panel

Get access to all wiring diagrams of the car

1 -	Reducing agent metering system relay -J963-

Slot B1

2 -	Seat belt tensioner relay -J669-

Slot B2

q	up to April 2013

3 -

Vacant

Slot B3

4 -	Relay for power sockets -J807-

Slot B6

5 -	Heated rear window relay -J9-

Slot B5

6 -	Terminal 15 voltage supply relay -J329-

Slot B4

AUDI A3 2013 Relay slot assignment on additional relay carrier, left-hand drive models

Relay slot assignment on additional relay carrier, left-hand drive models

Get access to all wiring diagrams of the car

1 -	Headspace heating relay -J989-

AUDI A3 2013 Relay slot assignment on additional relay carrier, right-hand drive models

Relay slot assignment on additional relay carrier, right-hand drive models

Get access to all wiring diagrams of the car

1 -	Headspace heating relay -J989-

AUDI A3 2013 Overview of control units in interior of vehicle (3-door models)

Overview of control units in interior of vehicle (3-door models)

Note:

t	Overview of control units (4-door)

t	Overview of control units (5-door)

t	Overview of control units (Cabriolet)

AUDI A3 2013 Overview of control units in interior of vehicle (3-door models)

Get access to all wiring diagrams of the car

q	Fitting location and connectors (MMI with radio):

q	Fitting location and connectors (MMI high):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Fitting location and connectors (MMI):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Fitting location and connectors for diesel engines:

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

AUDI A3 2013 Overview of control units in interior of vehicle (4-door models)

Overview of control units in interior of vehicle (4-door models)

Note:

t	Overview of control units (3-door) → chapter

t	Overview of control units (5-door)

t	Overview of control units (Cabriolet)

AUDI A3 2013 Overview of control units in interior of vehicle (4-door models)

Get access to all wiring diagrams of the car

q	Fitting location and connectors (MMI with radio):

q	Fitting location and connectors (MMI high):

q	Fitting location and connectors (MMI):

q	Overview (5-door):

q	Overview (5-door):

q	Fitting location and connectors for diesel engines:

q	Fitting location and connectors:

AUDI A3 2013 Overview of control units in interior of vehicle (5-door models)

Overview of control units in interior of vehicle (5-door models)

Note:

t	Overview of control units (3-door) → chapter

t	Overview of control units (4-door)

t	Overview of control units (Cabriolet)

AUDI A3 2013 Overview of control units in interior of vehicle (5-door models)

Get access to all wiring diagrams of the car

q	Fitting location and connectors (MMI with radio):

q	Fitting location and connectors (MMI high):

q	Fitting location and connectors (MMI):

q	Fitting location and connectors for diesel engines:

q	Fitting location and connectors:

AUDI A3 2013 Overview of control units in interior of vehicle (Cabriolet)

Overview of control units in interior of vehicle (Cabriolet)

Note:

t	Overview of control units (3-door) → chapter

t	Overview of control units (4-door)

t	Overview of control units (5-door)

AUDI A3 2013 Overview of control units in interior of vehicle (Cabriolet)

Get access to all wiring diagrams of the car

q	Fitting location and connectors (MMI with radio):

q	Fitting location and connectors (MMI high):

q	Fitting location and connectors (MMI):

q	Fitting location and connectors for diesel engines:

15 -	Entry and start authorisation control unit -J518-

q	Fitting location and connectors:

AUDI A3 2013 Overview of control units in rear part of vehicle (3-door)

Overview of control units in rear part of vehicle (3-door)

Note:

t	Overview of control units (4-door)

t	Overview of control units (5-door)

t	Overview of additional control units and components (5-door, with hybrid drive)

t	Overview of control units (Cabriolet)

AUDI A3 2013 Overview of control units in rear part of vehicle (3-door)

Get access to all wiring diagrams of the car

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

q	Overview (4-door):

q	Overview (5-door):

q	Overview (Cabriolet):

AUDI A3 2013 Overview of control units in rear part of vehicle (4-door)

Overview of control units in rear part of vehicle (4-door)

Note:

t	Overview of control units (3-door)

t	Overview of control units (5-door)

t	Overview of additional control units and components (5-door, with hybrid drive)

t	Overview of control units (Cabriolet)

AUDI A3 2013 Overview of control units in rear part of vehicle (4-door)

Get access to all wiring diagrams of the car

q	Overview (5-door):

AUDI A3 2013 Overview of control units in rear part of vehicle (5-door)

Overview of control units in rear part of vehicle (5-door)

Note:

t	Overview of control units (3-door)

t	Overview of control units (4-door)

t	Overview of additional control units and components (5-door, with hybrid drive)

t	Overview of control units (Cabriolet)

AUDI A3 2013 Overview of control units in rear part of vehicle (5-door)

Get access to all wiring diagrams of the car

AUDI A3 2013 Overview of additional control units in rear part of vehicle (5-door, with hybrid drive)

Overview of additional control units in rear part of vehicle (5-door, with hybrid drive)

Note:

t	Overview of control units (3-door)

t	Overview of control units (4-door)

t	Overview of control units (5-door)

t	Overview of control units (Cabriolet)

AUDI A3 2013 Overview of additional control units in rear part of vehicle (5-door, with hybrid drive)

Get access to all wiring diagrams of the car

2 -	Battery monitoring control unit -J367-

q	Fitting location and connectors:

AUDI A3 2013 Overview of control units in rear part of vehicle (Cabriolet)

Overview of control units in rear part of vehicle (Cabriolet)

Note:

t	Overview of control units (3-door)

t	Overview of control units (4-door)

t	Overview of control units (5-door)

t	Overview of additional control units and components (5-door, with hybrid drive)

AUDI A3 2013 Overview of control units in rear part of vehicle (Cabriolet)

Get access to all wiring diagrams of the car

AUDI A3 2013 Electronically controlled damping control unit J250

Electronically controlled damping control unit -J250-

Fitting location:

Under front passenger seat.

AUDI A3 2013 Electronically controlled damping control unit J250

Get access to all wiring diagrams of the car

A -	Electronically controlled damping control unit -J250-

A1 -	47-pin connector -T47a-, black

AUDI A3 2013 Digital sound package control unit J525

Digital sound package control unit -J525-

Fitting location:

under driver seat.

AUDI A3 2013 Digital sound package control unit J525

Get access to all wiring diagrams of the car

A -	Digital sound package control unit -J525-

A1 -	38-pin connector, black

A2 -	2-pin connector, black

AUDI A3 2013 Reversing camera system control unit J772 (3 and 5-door)

Reversing camera system control unit -J772- (3 and 5-door)

Fitting location:

behind right side trim in luggage compartment.

AUDI A3 2013 Reversing camera system control unit J772 (3 and 5-door)

Get access to all wiring diagrams of the car

A -	Reversing camera system control unit -J772-

A1 -	20-pin connector -T20i-, black

A2 -	2-pin connector -T2df-, green

A3 -	2-pin connector -T2ep-, grey

A4 -

Vacant

AUDI A3 2013 Fuel pump control unit J538 (petrol engines)

Fuel pump control unit -J538- (petrol engines)

Fitting location:

under rear seat bench

AUDI A3 2013 Fuel pump control unit J538 (petrol engines)

Get access to all wiring diagrams of the car

A -	Fuel pump control unit -J538-

A1 -	5-pin connector -T5c-, black

AUDI A3 2013 Fuel pump control unit J538 (diesel engines)

Fuel pump control unit -J538- (diesel engines)

Fitting location:

under rear seat bench

AUDI A3 2013 Fuel pump control unit J538 (diesel engines)

Get access to all wiring diagrams of the car

A -	Fuel pump control unit -J538-

A1 -	6-pin, connector -T6e-, black

AUDI A3 2013 Aerial amplifier for mobile telephone R86 (3 and 5-door)

Aerial amplifier for mobile telephone -R86- (3 and 5-door)

Fitting location:

behind right side trim in luggage compartment.

AUDI A3 2013 Aerial amplifier for mobile telephone R86 (3 and 5-door)

Get access to all wiring diagrams of the car

A -	Aerial amplifier for mobile telephone -R86-

A1 -	4-pin connector -T4y-, black

A2 -	2-pin connector -T2am-, violet

A3 -	2-pin connector -T2al-, black

AUDI A3 2013 Remote control receiver for auxiliary heater R64 (3 and 5-door)

Remote control receiver for auxiliary heater -R64- (3 and 5-door)

Fitting location:

behind right side trim in luggage compartment.

AUDI A3 2013 Remote control receiver for auxiliary heater R64 (3 and 5-door)

Get access to all wiring diagrams of the car

A -	Remote control receiver for auxiliary heater -R64-

A1 -	6-pin, connector -T6s-, blue

A2 -	2-pin connector

AUDI A3 2013 Control unit in dash panel insert J285

Control unit in dash panel insert -J285-

Fitting location:

in the dash panel.

AUDI A3 2013 Control unit in dash panel insert J285

Get access to all wiring diagrams of the car

A -	Control unit in dash panel insert -J285-

A1 -	18-pin connector -T18-, black

AUDI A3 2013 Trailer detector control unit J345 (3 and 5-door)

Trailer detector control unit -J345- (3 and 5-door)

Fitting location:

behind left side trim in luggage compartment.

AUDI A3 2013 Trailer detector control unit J345 (3 and 5-door)

Get access to all wiring diagrams of the car

A -	Trailer detector control unit -J345-

A1 -	16-pin connector -T16l-, black

A2 -	12-pin connector -T12b-, red

AUDI A3 2013 Electronic steering column lock control unit J764

Electronic steering column lock control unit -J764-

Fitting location:

On steering column.

AUDI A3 2013 Electronic steering column lock control unit J764

Get access to all wiring diagrams of the car

A -	Electronic steering column lock control unit -J764-

A1 -	16-pin connector -T16g-, black

AUDI A3 2013 Lane change assist control unit 2 J770

Lane change assist control unit 2 -J770-

Fitting location:

in rear bumper on left.

AUDI A3 2013 Lane change assist control unit 2 J770

Get access to all wiring diagrams of the car

A -	Lane change assist control unit 2 -J770-

A1 -	12-pin connector -T12h-, black

AUDI A3 2013 Lane change assist control unit J769

Lane change assist control unit -J769-

Fitting location:

in rear bumper on right.

AUDI A3 2013 Lane change assist control unit J769

Get access to all wiring diagrams of the car

A -	Lane change assist control unit -J769-

A1 -	12-pin connector -T12g-, black

AUDI A3 2013 Entry and start authorisation control unit J518

Entry and start authorisation control unit -J518-

Fitting location:

below the dash panel.

AUDI A3 2013 Entry and start authorisation control unit J518

Get access to all wiring diagrams of the car

A -	Entry and start authorisation control unit -J518-

A1 -	32-pin connector -T32a-, blue

AUDI A3 2013 Air conditioning system control unit J301

Air conditioning system control unit -J301-

Fitting location:

in centre of dash panel

AUDI A3 2013 Air conditioning system control unit J301

Get access to all wiring diagrams of the car

A -	Air conditioning system control unit -J301-

A1 -	16-pin connector -T16o-

A2 -	20-pin connector -T20f-, black

AUDI A3 2013 Climatronic control unit J255

Climatronic control unit -J255-

Fitting location:

in centre of dash panel

AUDI A3 2013 Climatronic control unit J255

Get access to all wiring diagrams of the car

A -	Climatronic control unit -J255-

A1 -	16-pin connector -T16d-

A2 -	16-pin connector -T16c-

A3 -	20-pin connector -T20b-, black

AUDI A3 2013 Onboard supply control unit J519

Onboard supply control unit -J519-

Fitting location:

Behind the dash panel, left.

AUDI A3 2013 Onboard supply control unit J519

Get access to all wiring diagrams of the car

A -	Onboard supply control unit -J519-

A1 -	73-pin connector -T73a-, black

A2 -	46-pin connector -T46b-, black

A3 -	73-pin connector -T73c-, black

AUDI A3 2013 Data bus diagnostic interface J533

Data bus diagnostic interface -J533-

Fitting location:

below the dash panel.

AUDI A3 2013 Data bus diagnostic interface J533

Get access to all wiring diagrams of the car

A -	Data bus diagnostic interface -J533-

A1 -	20-pin connector -T20a-, red

AUDI A3 2013 Airbag control unit J234

Airbag control unit -J234-

Fitting location:

behind centre console.

Get access to all wiring diagrams of the car

A -	Airbag control unit -J234-

A1 -	90-pin connector -T90-, yellow

AUDI A3 2013 Parking aid control unit J446 / park assist steering control unit J791

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

Fitting location:

Behind the dash panel, left.

AUDI A3 2013 Parking aid control unit J446 / park assist steering control unit J791

Get access to all wiring diagrams of the car

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

A1 -	26-pin connector -T26c-, black

A2 -	18-pin connector -T18a-, black

AUDI A3 2013 Driver door control unit J386

Driver door control unit -J386-

Fitting location:

In driver door.

AUDI A3 2013 Driver door control unit J386

Get access to all wiring diagrams of the car

A -	Driver door control unit -J386-

A1 -	6-pin connector -T6f-

A2 -	20-pin connector -T20c-

A3 -	16-pin connector -T16e-

A4 -	32-pin connector -T32b-, blue

AUDI A3 2013 Front passenger door control unit J387

Front passenger door control unit -J387-

Fitting location:

In front passenger door.

AUDI A3 2013 Front passenger door control unit J387

Get access to all wiring diagrams of the car

A -	Front passenger door control unit -J387-

A1 -	6-pin connector -T6g-

A2 -	20-pin connector -T20d-

A3 -	16-pin connector -T16f-

A4 -	32-pin connector -T32c-, blue

AUDI A3 2013 Steering column electronics control unit J527

Steering column electronics control unit -J527-

Fitting location:

On steering column.

AUDI A3 2013 Steering column electronics control unit J527

Get access to all wiring diagrams of the car

A -	Steering column electronics control unit -J527-

A1 -	4-pin connector -T4-, yellow

A2 -	16-pin connector -T16a-, black

AUDI A3 2013 Headlight range control unit J431 / control unit for cornering light and headlight range control J745

Headlight range control unit -J431-/ control unit for cornering light and headlight range control -J745-

Fitting location:

Behind the dash panel, left.

AUDI A3 2013 Headlight range control unit J431 / control unit for cornering light and headlight range control J745

Get access to all wiring diagrams of the car

A -	Headlight range control unit -J431-

A1 -	26-pin connector -T26a-, red

B -	Control unit for cornering light and headlight range control -J745-

B1 -	26-pin connector -T26b-, black

AUDI A3 2013 CAN bus control unit J916

CAN bus control unit -J916-

Fitting location:

Behind the dash panel, left.

Get access to all wiring diagrams of the car

A -	CAN bus control unit -J916-

A1 -	9-pin connector -T9-

AUDI A3 2013 Special purpose vehicle control unit J608 (3 and 5-door)

Special purpose vehicle control unit -J608- (3 and 5-door)

Fitting location:

behind right side trim in luggage compartment.

AUDI A3 2013 Special purpose vehicle control unit J608 (3 and 5-door)

Get access to all wiring diagrams of the car

A -	Special purpose vehicle control unit -J608-

A1 -	16-pin connector -T16h-, brown

A2 -	20-pin connector -T20l-, red

A3 -

Vacant

A4 -	16-pin connector -T16b-, black

A5 -	12-pin connector -T12d-, black

AUDI A3 2013 Rear driver side door control unit J926

Rear driver side door control unit -J926-

Fitting location:

in rear left door.

AUDI A3 2013 Rear driver side door control unit J926

Get access to all wiring diagrams of the car

A -	Rear driver side door control unit -J926-

A1 -	6-pin connector -T6al-

A2 -	20-pin connector -T20j-

A3 -	16-pin connector -T16i-

AUDI A3 2013 Rear passenger side door control unit J927

Rear passenger side door control unit -J927-

Fitting location:

in rear right door.

AUDI A3 2013 Rear passenger side door control unit J927

Get access to all wiring diagrams of the car

A -	Rear passenger side door control unit -J927-

A1 -	6-pin connector -T6am-

A2 -	20-pin connector -T20k-

A3 -	16-pin connector -T16j-

AUDI A3 2013 Aerial amplifier for mobile telephone R86 (4-door)

Aerial amplifier for mobile telephone -R86- (4-door)

Fitting location:

behind right side trim in luggage compartment.

AUDI A3 2013 Aerial amplifier for mobile telephone R86 (4-door)

Get access to all wiring diagrams of the car

A -	Aerial amplifier for mobile telephone -R86-

A1 -	2-pin connector -T2am-, violet

A2 -	4-pin connector -T4y-, black

A3 -	2-pin connector -T2al-, black

AUDI A3 2013 Reversing camera system control unit J772 (4-door)

Reversing camera system control unit -J772- (4-door)

Fitting location:

behind right side trim in luggage compartment.

AUDI A3 2013 Reversing camera system control unit J772 (4-door)

Get access to all wiring diagrams of the car

A -	Reversing camera system control unit -J772-

A1 -	20-pin connector -T20i-, black

A2 -	2-pin connector -T2df-, green

A3 -	2-pin connector -T2ep-, grey

A4 -

Vacant

AUDI A3 2013 Remote control receiver for auxiliary heater R64 (4-door)

Remote control receiver for auxiliary heater -R64- (4-door)

Fitting location:

behind right side trim in luggage compartment.

AUDI A3 2013 Remote control receiver for auxiliary heater R64 (4-door)

Get access to all wiring diagrams of the car

A -	Remote control receiver for auxiliary heater -R64-

A1 -	6-pin, connector -T6s-, blue

A2 -	2-pin connector

AUDI A3 2013 Trailer detector control unit J345 (4-door)

Trailer detector control unit -J345- (4-door)

Fitting location:

behind left side trim in luggage compartment.

AUDI A3 2013 Trailer detector control unit J345 (4-door)

Get access to all wiring diagrams of the car

A -	Trailer detector control unit -J345-

A1 -	16-pin connector -T16l-, black

A2 -	12-pin connector -T12b-, red

AUDI A3 2013 Special purpose vehicle control unit J608 (4-door)

Special purpose vehicle control unit -J608- (4-door)

Fitting location:

behind right side trim in luggage compartment.

AUDI A3 2013 Special purpose vehicle control unit J608 (4-door)

Get access to all wiring diagrams of the car

A -	Special purpose vehicle control unit -J608-

A1 -	16-pin connector -T16h-, brown

A2 -	20-pin connector -T20l-, black

A3 -

Vacant

A4 -	16-pin connector -T16b-, black

A5 -	12-pin connector -T12d-, black

AUDI A3 2013 Special purpose vehicle control unit J608 (Cabriolet)

Special purpose vehicle control unit -J608- (Cabriolet)

Fitting location:

behind left side trim in luggage compartment.

AUDI A3 2013 Special purpose vehicle control unit J608 (Cabriolet)

Get access to all wiring diagrams of the car

1 -	Special purpose vehicle control unit -J608-

A -	12-pin connector -T12d-, black

B -	16-pin connector -T16b-, black

D -	20-pin connector -T20l-, red

E -	16-pin connector -T16h-, brown

AUDI A3 2013 Aerial amplifier for mobile telephone R86 (Cabriolet)

Aerial amplifier for mobile telephone -R86- (Cabriolet)

Fitting location:

behind right side trim in luggage compartment.

AUDI A3 2013 Aerial amplifier for mobile telephone R86 (Cabriolet)

Get access to all wiring diagrams of the car

A -	Aerial amplifier for mobile telephone -R86-

A1 -	4-pin connector -T4y-, black

A2 -	2-pin connector -T2am-, violet

A3 -	2-pin connector -T2al-, black

AUDI A3 2013 Trailer detector control unit J345 (Cabriolet)

Trailer detector control unit -J345- (Cabriolet)

Fitting location:

behind left side trim in luggage compartment.

AUDI A3 2013 Trailer detector control unit J345 (Cabriolet)

Get access to all wiring diagrams of the car

A -	Trailer detector control unit -J345-

A1 -	16-pin connector -T16l-, black

A2 -	12-pin connector -T12b-, red

AUDI A3 2013 Driver door control unit J386 (Cabriolet)

Driver door control unit -J386- (Cabriolet)

Fitting location:

In driver door.

AUDI A3 2013 Driver door control unit J386 (Cabriolet)

Get access to all wiring diagrams of the car

A -	Driver door control unit -J386-

A1 -	6-pin connector -T6f-

A2 -	20-pin connector -T20c-

A3 -	16-pin connector -T16e-

A4 -	32-pin connector -T32b-, blue

AUDI A3 2013 Front passenger door control unit J387 (Cabriolet)

Front passenger door control unit -J387- (Cabriolet)

Fitting location:

In front passenger door.

AUDI A3 2013 Front passenger door control unit J387 (Cabriolet)

Get access to all wiring diagrams of the car

A -	Front passenger door control unit -J387-

A1 -	6-pin connector -T6g-

A2 -	20-pin connector -T20d-

A3 -	16-pin connector -T16f-

A4 -	32-pin connector -T32c-, blue

AUDI A3 2013 Convertible roof actuation control unit J256

Convertible roof actuation control unit -J256-

Fitting location:

behind left side trim in luggage compartment.

AUDI A3 2013 Convertible roof actuation control unit J256

Get access to all wiring diagrams of the car

A -	Convertible roof actuation control unit -J256-

A1 -	16-pin connector -T16q-, brown

A2 -	20-pin connector -T20m-, black

A3 -	10-pin connector -T10aa-, black

AUDI A3 2013 Reversing camera system control unit J772 (Cabriolet)

Reversing camera system control unit -J772- (Cabriolet)

Fitting location:

behind left side trim in luggage compartment.

AUDI A3 2013 Reversing camera system control unit J772 (Cabriolet)

Get access to all wiring diagrams of the car

A -	Reversing camera system control unit -J772-

A1 -	20-pin connector -T20i-, black

A2 -	2-pin connector -T2df-, green

A3 -	2-pin connector -T2ep-

A4 -

Vacant

AUDI A3 2013 Interior mirror EX5

Interior mirror -EX5-

Fitting location:

at front of roof side member.

Get access to all wiring diagrams of the car

A -	Interior mirror -EX5-

A1 -	8-pin connector -T8a-, black

A2 -	3-pin connector -T3f-, black

AUDI A3 2013 All-wheel drive control unit J492

All-wheel drive control unit -J492-

Fitting location:

on rear axle differential.

AUDI A3 2013 All-wheel drive control unit J492

Get access to all wiring diagrams of the car

A -	All-wheel drive control unit -J492-

A1 -	2-pin connector -T2ax-

A2 -	8-pin connector -T8y-, black

AUDI A3 2013 Display unit for front information display and operating unit control unit J685

Display unit for front information display and operating unit control unit -J685-

Fitting location:

Dash panel - centre.

AUDI A3 2013 Display unit for front information display and operating unit control unit J685

Get access to all wiring diagrams of the car

A -	Display unit for front information display and operating unit control unit -J685-

A1 -	8-pin connector -T8ai-, black

A2 -	4-pin connector -T4ao-, white

q	Only for MMI with radio

A2 -	4-pin connector -T4ao-, black

q	For MMI high only

AUDI A3 2013 Multimedia system operating unit E380 (MMI)

Multimedia system operating unit -E380- (MMI)

Fitting location:

on centre console.

AUDI A3 2013 Multimedia system operating unit E380 (MMI)

Get access to all wiring diagrams of the car

A -	Multimedia system operating unit -E380-

A1 -	20-pin connector -T20h-, red

AUDI A3 2013 Front camera for driver assist systems R242

Front camera for driver assist systems -R242-

Fitting location:

near interior mirror.

AUDI A3 2013 Front camera for driver assist systems R242

Get access to all wiring diagrams of the car

A -	Front camera for driver assist systems -R242-

A1 -	12-pin connector -T12ac-, black

AUDI A3 2013 Control unit for information electronics 1 J794 (MMI high)

Control unit for information electronics 1 -J794- (MMI high)

Fitting location:

In glove compartment.

AUDI A3 2013 Control unit for information electronics 1 J794 (MMI high)

Get access to all wiring diagrams of the car

A -	Control unit for information electronics 1 -J794-

A1 -	Connector block, consisting of:

t	8-pin connector -T8ag- (plug A), brown

t	12-pin connector -T12x- (plug B), blue

t	12-pin connector -T12y- (plug C), green

t	8-pin connector -T8j- (plug D), black

t	12-pin connector -T12v- (plug E), grey

A2 -	2-pin connector -T2t-, black

A3 -	4-pin connector -T4al-, grey

A4 -	4-pin connector -T4w-, yellow

A5 -	4-pin connector -T4ar-, yellow

A6 -	2-pin connector -T2ew-

A7 -	4-pin connector -T4v-

A8 -	2-pin connector -T2ac-, blue

A9 -	Connector for models with LTE aerial 1 -R297- and LTE aerial 2 -R306-

t	4-pin connector -T4as-, violet

A9 -	Connector for models with telephone aerial -R65-

t	2-pin connector -T2af-, violet

A10 -

2-pin connector -T2ad-, black

q	Only for models without US equipment

A10 -

2-pin connector -T2ad-, brown

q	Only for models with US equipment

AUDI A3 2013 TV tuner R78 (5-door)

TV tuner -R78- (5-door)

Fitting location:

behind right side trim in luggage compartment.

Get access to all wiring diagrams of the car

A -	TV tuner -R78-

A1 -	2-pin connector -T2ey-, brown

A2 -	4-pin connector -T4ab-, green

A3 -	2-pin connector -T2ev-, black

A4 -	12-pin connector -T12aa-, black

AUDI A3 2013 TV tuner R78 (4-door)

TV tuner -R78- (4-door)

Fitting location:

behind right side trim in luggage compartment.

Get access to all wiring diagrams of the car

A -	TV tuner -R78-

A1 -	2-pin connector -T2ey-, brown

A2 -	4-pin connector -T4ab-, green

A3 -	2-pin connector -T2ev-, black

A4 -	12-pin connector -T12aa-, black

AUDI A3 2013 Sliding sunroof adjustment control unit J245

Sliding sunroof adjustment control unit -J245-

Fitting location:

On sliding sunroof motor.

AUDI A3 2013 Sliding sunroof adjustment control unit J245

Get access to all wiring diagrams of the car

A -	Sliding sunroof adjustment control unit -J245-

A1 -	10-pin connector -T10o-

AUDI A3 2013 Control unit for information electronics 1 J794 (Radio)

Control unit for information electronics 1 -J794- (Radio)

Fitting location:

In glove compartment.

AUDI A3 2013 Control unit for information electronics 1 J794 (Radio)

Get access to all wiring diagrams of the car

A -	Control unit for information electronics 1 -J794-

A1 -	Connector block, consisting of:

t	8-pin connector -T8ag- (plug A), brown

t	12-pin connector -T12x- (plug B), blue

t	12-pin connector -T12y- (plug C), green

t	8-pin connector -T8j- (plug D), black

t	12-pin connector -T12v- (plug E), grey

A2 -	4-pin connector -T4al- (if fitted)

A3 -	4-pin connector -T4v-

AUDI A3 2013 Multimedia system operating unit E380 (Radio)

Multimedia system operating unit -E380- (Radio)

Fitting location:

Dash panel - centre.

AUDI A3 2013 Multimedia system operating unit E380 (Radio)

Get access to all wiring diagrams of the car

A -	Multimedia system operating unit -E380-

A1 -	8-pin connector -T8k-, black

AUDI A3 2013 Control unit for information electronics 1 J794 (MMI with radio)

Control unit for information electronics 1 -J794- (MMI with radio)

Fitting location:

In glove compartment.

AUDI A3 2013 Control unit for information electronics 1 J794 (MMI with radio)

Get access to all wiring diagrams of the car

A -	Control unit for information electronics 1 -J794-

A1 -	Connector block, consisting of:

t	8-pin connector -T8ag- (plug A), brown

t	12-pin connector -T12x- (plug B), blue

t	12-pin connector -T12y- (plug C), green

t	8-pin connector -T8j- (plug D), black

t	12-pin connector -T12v- (plug E), grey

A2 -	2-pin connector -T2t-, black

A3 -	2-pin connector -T2ac-, blue

A4 -	4-pin connector -T4w-, yellow

A5 -	4-pin connector -T4al-, violet

A6 -	2-pin connector -T2ad-

A7 -	4-pin connector -T4v-

AUDI A3 2013 Hybrid battery unit AX1

Hybrid battery unit -AX1-

Fitting location:

on underbody, near rear axle

Get access to all wiring diagrams of the car

1 -	Hybrid battery unit -AX1-

2 -	High-voltage wiring harness for high-voltage battery -PX1-

A -	14-pin connector -T14k-, black

AUDI A3 2013 Battery monitoring control unit J367

Battery monitoring control unit -J367-

Fitting location:

in luggage compartment, on earth cable battery terminal clamp.

AUDI A3 2013 Battery monitoring control unit J367

Get access to all wiring diagrams of the car

1 -	Battery monitoring control unit -J367-

A -	2-pin connector -T2fk-, black

AUDI A3 2013 Emergency call module control unit and communication unit J949

Emergency call module control unit and communication unit -J949-

Fitting location:

Behind the control unit in dash panel insert -J285-.

AUDI A3 2013 Emergency call module control unit and communication unit J949

Get access to all wiring diagrams of the car

1 -	Emergency call module control unit and communication unit -J949-

A -	4-pin connector -T4bn-, violet

B -	26-pin connector -T26e-, black

AUDI A3 2013 Engine sound generator control unit J943

Engine sound generator control unit -J943-

Fitting location:

Under front passenger seat.

AUDI A3 2013 Engine sound generator control unit J943

Get access to all wiring diagrams of the car

1 -	Engine sound generator control unit -J943-

A -	12-pin connector -T12l-, black

AUDI A3 2013 Entry and start authorisation control unit J518

Entry and start authorisation control unit -J518-

Fitting location:

behind glove compartment.

Get access to all wiring diagrams of the car

1 -	Entry and start authorisation control unit -J518-

A -	32-pin connector -T32a-, blue