A | Battery |
B | Starter |
C | Alternator |
C1 | Voltage regulator |
D | Ignition/starter switch |
F18 | Radiator fan thermo-switch |
S131 | Fuse 1 |
S132 | Fuse 2 |
S133 | Fuse 3 |
S134 | Fuse 4 |
S138 | Fuse 5 |
S164 | Fuse -3- (30), in fuse box/battery |
T2f | 2-pin connector, wiring duct, in engine compartment, left |
T3e | 3-pin connector, black, on main fuse box/battery |
T4b | 4-pin connector, in engine compartment, left |
T6m | 6-pin connector, brown, in plenum chamber |
1 | Earth strap, battery - body |
2 | Earth strap, gearbox - body |
A68 | Connection (30, air conditioner), in dash panel wiring harness |
* | Models with manual heater controls |
** | Models with air conditioner |
*** | Only applies to engine code BAM |
C10 | Suppression filter |
D | Ignition/starter switch |
F | Brake light switch |
F2 | Door contact switch, driver's side |
F36 | Clutch pedal switch |
F47 | Cruise control system brake pedal switch |
J17 | Fuel pump relay |
J220 | Motronic control unit |
M9 | Brake light bulb, left |
S5 | Fuse in fuse box |
S13 | Fuse in fuse box |
T6m | 6-pin connector, brown, in plenum chamber |
T10a | 10-pin connector, white, in plenum chamber |
T10e | 10-pin connector, black, in plenum chamber |
277 | Earth connection -3-, in interior wiring harness, behind dash panel |
A2 | Positive (+) connection (15), in dash panel wiring harness |
A86 | Connection (50a), in dash panel wiring harness |
B131 | Connection (54), in interior wiring harness |
B135 | Connection (15a), in interior wiring harness |
B154 | Connection -1- (TK (door contact)), in interior wiring harness |
B185 | Connection -2- (54), in interior wiring harness |
* | Up to 10.2001 |
** | From 11.2001 onwards |
C22 | Interference suppression choke for airbag |
E3 | Hazard warning light switch |
E45 | Cruise control system switch |
F88 | Power assisted steering pressure switch |
G79 | Accelerator pedal position sender |
G185 | Accelerator pedal position sender -2- |
G235 | Exhaust gas temperature sender -1- |
J220 | Motronic control unit |
J234 | Airbag control unit |
J429 | Central locking control unit |
T10a | 10-pin connector, white, in plenum chamber |
T10e | 10-pin connector, black, in plenum chamber |
T10g | 10-pin connector, blue, in plenum chamber |
T10ae | 10-pin connector, on cruise control system switch |
132 | Earth connection -3-, in engine compartment wiring harness |
A125 | Connection (crash signal), in dash panel wiring harness |
B135 | Connection (15a), in interior wiring harness |
* | Models with cruise control system |
** | Only applies to engine codes ARY, AUQ and AUM |
*** | Only applies to engine code BAM |
G39 | Lambda probe |
G70 | Air mass meter |
G130 | Lambda probe downstream of catalytic converter |
J220 | Motronic control unit |
J299 | Secondary air pump relay |
N80 | Activated charcoal filter system solenoid valve 1 (pulsed) |
N112 | Secondary air inlet valve |
S130 | Secondary air pump fuse |
T4g | 4-pin connector, in engine compartment, right, for lambda probe downstream of catalytic converter |
T6m | 6-pin connector, brown, in plenum chamber |
T6q | 6-pin connector, in engine compartment, right, for lambda probe |
T10a | 10-pin connector, white, in plenum chamber |
V101 | Secondary air pump motor |
Z19 | Lambda probe heater |
Z29 | Lambda probe heater, downstream of catalytic converter |
12 | Earth point, in engine compartment, left |
D50 | Positive (+) connection (30), in engine compartment wiring harness |
D80 | Positive (+) connection (87a - for activated charcoal filter system solenoid valve), in engine compartment wiring harness |
* | Only applies to engine codes ARY, AUQ and AUM |
** | Only applies to engine code BAM |
J220 | Motronic control unit |
J492 | Four-wheel drive control unit |
N75 | Charge pressure control solenoid valve |
N205 | Inlet camshaft timing adjustment valve -1- |
N249 | Turbocharger divert air valve |
S10 | Fuse in fuse box |
S231 | Fuse 31 in fuse box |
S237 | Fuse 37 in fuse box |
T6m | 6-pin connector, brown, in plenum chamber |
T8d | 8-pin connector, on four-wheel drive control unit |
238 | Earth connection -1-, in interior wiring harness, near luggage compartment light |
A98 | Positive (+) connection -4- (30), in dash panel wiring harness |
B156 | Positive (+) connection -4- (30), in interior wiring harness |
D22 | Connection (via fuse 234), in front right wiring harness |
D78 | Positive (+) connection -1- (30a), in engine compartment wiring harness |
• | CAN bus (data wire) |
* | Engine codes ARY, AUM and AUQ |
** | Engine code BAM |
# | Up to 10.2001 |
## | From 11.2001 onwards |
G28 | Engine speed sender |
G31 | Charge air pressure sender |
G61 | Knock sensor 1 |
G163 | Hall sender |
J104 | ABS with EDL control unit |
J220 | Motronic control unit |
T3c | 3-pin connector, brown, in engine compartment |
T3d | 3-pin connector, grey, in engine compartment |
T10a | 10-pin connector, white, in plenum chamber |
220 | Earth connection (sender earth), in engine wiring harness |
A121 | Connection (high bus), in dash panel wiring harness |
A122 | Connection (low bus), in dash panel wiring harness |
D101 | Connection -1-, in engine compartment wiring harness |
D141 | Connection (5V), in engine wiring harness |
• | CAN bus (data wire) |
* | ABS with ESP (MK 20) |
** | ABS with ESP (MK 60) |
G2 | Coolant temperature sender |
G42 | Intake air temperature sender |
G62 | Coolant temperature sender |
G66 | Knock sensor 2 |
G186 | Throttle valve drive (electric power control) |
G187 | Throttle valve drive angle sender -1- (electric power control) |
G188 | Throttle valve drive angle sender -2- (electric power control) |
J220 | Motronic control unit |
J338 | Throttle valve module |
T3b | 3-pin connector, black, in engine compartment |
T14i | 14-pin connector, in engine compartment, left |
12 | Earth point, in engine compartment, left |
132 | Earth connection -3-, in engine compartment wiring harness |
220 | Earth connection (sender earth), in engine wiring harness |
269 | Earth connection (sender earth) -1-, in dash panel wiring harness |
D101 | Connection -1-, in engine compartment wiring harness |
* | Engine codes AUM, AUQ and ARY |
** | Engine code BAM |
E87 | Control and display unit for air conditioner |
J220 | Motronic control unit |
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 |
P | Spark plug connector |
Q | Spark plugs |
T10x | 10-pin connector, orange, in plenum chamber |
T17 | 17-pin connector, behind dash panel, right, to air conditioner wiring harness |
15 | Earth point, on cylinder head |
281 | Earth connection -1-, in engine wiring harness |
283 | Earth connection -2-, in engine wiring harness |
A27 | Connection (speed signal), in dash panel wiring harness, near micro-central electrics |
D106 | Connection -4-, in engine compartment wiring harness |
* | Engine codes AUM, AUQ and ARY |
** | Engine code BAM |
*** | Models with air conditioner |
G266 | Oil level thermo sender, service interval |
J220 | Motronic control unit |
J271 | Motronic current supply relay |
N30 | Injector, cylinder 1 |
N31 | Injector, cylinder 2 |
N32 | Injector, cylinder 3 |
N33 | Injector, cylinder 4 |
S11 | Fuse in fuse box |
T2m | 2-pin connector, wiring duct, in engine compartment, left |
T6m | 6-pin connector, brown, in plenum chamber |
T14i | 14-pin connector, in engine compartment, left |
131 | Earth connection -2-, in engine compartment wiring harness |
283 | Earth connection -2-, in engine wiring harness |
A139 | Connection -3- (15), in dash panel wiring harness |
B157 | Positive (+) connection -3- (15a), in interior wiring harness |
D140 | Connection (injectors), in engine wiring harness |
G | Fuel gauge sender |
G6 | Fuel pump (pre-supply pump) |
G22 | Speedometer sender (Hall sender, on gearbox) |
G169 | Fuel gauge sender -2- |
S7 | Fuse in fuse box |
S228 | Fuse 28 in fuse box |
S229 | Fuse 29 in fuse box |
S232 | Fuse 32 in fuse box |
S234 | Fuse 34 in fuse box |
S243 | Fuse 43 in fuse box |
T14i | 14-pin connector, in engine compartment, left |
269 | Earth connection (sender earth) -1-, in dash panel wiring harness |
277 | Earth connection -3-, in interior wiring harness, behind dash panel |
283 | Earth connection -2-, in engine wiring harness |
A99 | Connection -1- (87), in dash panel wiring harness |
A100 | Connection -2- (87), in dash panel wiring harness |
B149 | Positive (+) connection -2- (15a), in interior wiring harness, near starter inhibitor and reversing light relay |
* | Models with front-wheel drive |
** | Models with four-wheel drive |
*** | Wiring in fuel tank |
C10 | Suppression filter |
D2 | Immobilizer reading coil |
E87 | Control and display unit for air conditioner |
F1 | Oil pressure switch |
F9 | Handbrake warning switch |
G17 | Ambient temperature sensor |
G106 | Ambient temperature indicator |
J285 | Control unit with display in dash panel insert |
K3 | Oil pressure warning lamp |
K83 | Fault warning lamp for self-diagnosis/exhaust emissions |
T12a | 12-pin connector, behind dash panel, right |
T14i | 14-pin connector, in engine compartment, left |
T32 | 32-pin connector, blue, on dash panel insert |
T32a | 32-pin connector, green, on dash panel insert |
269 | Earth connection (sender earth) -1-, in dash panel wiring harness |
277 | Earth connection -3-, in interior wiring harness, behind dash panel |
A76 | Connection (diagnosis wire K), in dash panel wiring harness |
A115 | Connection (handbrake warning), in dash panel wiring harness |
• | CAN bus (data wire) |
* | Models with manual heater controls |
** | Models with air conditioner |
# | Models with front-wheel drive |
## | Models with four-wheel drive |