A | Battery |
B | Starter |
C | Alternator |
C1 | Voltage regulator |
D | Ignition/starter switch |
F18 | Radiator fan thermo-switch |
J104 | ABS with EDL control unit |
J226 | Starter inhibitor and reversing light relay |
S131 | Fuse 1 |
S132 | Fuse 2 |
S133 | Fuse 3 |
S134 | Fuse 4 |
S138 | Fuse 5 |
S162 | Fuse -1- (30), in battery fuse box |
S163 | Fuse -2- (30), in battery fuse box |
S164 | Fuse -3- (30), in battery fuse box |
T2f | 2-pin connector, cable channel, in engine compartment, left |
T3e | 3-pin connector, black, on main fuse box/battery |
T6m | 6-pin connector, brown, in plenum chamber |
T25 | 25-pin connector, on ABS control unit |
2 | Earth strap, gearbox - body |
12 | Earth point, in engine compartment, left |
* | Only models with manual gearbox |
** | Only models with automatic gearbox |
C10 | Suppression filter |
D | Ignition/starter switch |
F | Brake light switch |
F36 | Clutch pedal switch |
F47 | Cruise control system brake pedal switch |
J17 | Fuel pump relay |
J220 | Motronic control unit |
J492 | Four-wheel drive control unit |
N30 | Injector, cylinder 1 |
N31 | Injector, cylinder 2 |
N32 | Injector, cylinder 3 |
N33 | Injector, cylinder 4 |
S5 | Fuse in fuse box |
S13 | Fuse in fuse box |
T8d | 8-pin connector, on four-wheel drive control unit |
T10a | 10-pin connector, green, in plenum chamber |
T10e | 10-pin connector, black, in plenum chamber |
T10x | 10-pin connector, orange, in plenum chamber |
A2 | Positive (+) connection (15), in dash panel wiring harness |
B131 | Connection (54), in interior wiring harness |
B135 | Connection (15a), in interior wiring harness |
D140 | Connection (injectors), in engine prewiring wiring harness |
* | Models with manual gearbox |
** | Models with quattro four-wheel drive |
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- |
J217 | Automatic gearbox control unit |
J220 | Motronic control unit |
J234 | Airbag control unit |
J429 | Central locking control unit |
T7 | 7-pin connector, behind steering column switch trim |
T10e | 10-pin connector, black, in plenum chamber |
T10g | 10-pin connector, blue, in plenum chamber |
85 | Earth connection -1-, in engine compartment wiring harness |
A125 | Connection (crash signal), in dash panel wiring harness |
B135 | Connection (15a), in interior wiring harness |
• | CAN bus (data wire) |
* | Models with cruise control system |
G39 | Lambda probe |
G70 | Air mass meter |
J104 | ABS with EDL control unit |
J220 | Motronic control unit |
J492 | Four-wheel drive control unit |
N75 | Charge pressure control solenoid valve |
N80 | Activated charcoal filter system solenoid valve I (pulsed) |
N249 | Turbocharger divert air valve |
S10 | Fuse in fuse box |
T4 | 4-pin connector, in engine compartment, right |
T6m | 6-pin connector, brown, in plenum chamber |
T8d | 8-pin connector, on four-wheel drive control unit |
T10a | 10-pin connector, green, in plenum chamber |
T25 | 25-pin connector, on ABS control unit |
Z19 | Lambda probe heater |
A98 | Positive (+) connection -4- (30), in dash panel wiring harness |
A121 | Connection (high bus), in dash panel wiring harness |
A122 | Connection (low bus), in dash panel wiring harness |
B156 | Positive (+) connection -4- (30), in interior wiring harness |
D80 | Positive (+) connection (87a - for active. charcoal filter system solenoid), in engine compartment wiring harness |
• | CAN bus (Data bus) |
* | Only models with quattro four-wheel drive |
E87 | Control and display unit for air conditioner/Climatronic |
G28 | Engine speed sender |
G61 | Knock sensor 1 |
G71 | Intake manifold pressure sender |
G163 | Hall sender 2 |
J220 | Motronic control unit |
J293 | Radiator fan control unit |
T3c | 3-pin connector, brown, in engine compartment, left |
T3d | 3-pin connector, grey, in engine compartment, left |
T10p | 10-pin connector, behind dash panel, right |
T10x | 10-pin connector, orange, in plenum chamber |
220 | Earth connection (sender earth), in engine wiring harness |
A45 | Connection (engine speed signal), in dash panel wiring harness |
D101 | Connection -1-, in engine compartment wiring harness |
D141 | Connection (5V), in engine prewiring wiring harness |
* | Only models with air conditioner |
** | Only models with manual gearbox |
*** | Only models with automatic gearbox |
G2 | Coolant temperature sender |
G42 | Intake air temperature sender |
G62 | Coolant temperature sender |
G66 | Knock sensor 2 |
G186 | Throttle valve drive (electric throttle operation) |
G187 | Throttle valve drive angle sender -1- (electric throttle operation) |
G188 | Throttle valve drive angle sender -2- (electric throttle operation) |
J220 | Motronic control unit |
J338 | Throttle valve control unit |
T3b | 3-pin connector, black, in engine compartment |
T10i | 10-pin connector, in engine compartment, left |
85 | Earth connection -1-, in engine compartment wiring harness |
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 |
* | Changes inclusive |
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 plug |
T6m | 6-pin connector, brown, in plenum chamber |
T10g | 10-pin connector, blue, in plenum chamber |
T10i | 10-pin connector, in engine compartment, left |
T10x | 10-pin connector, orange, in plenum chamber |
15 | Earth point, on cylinder head |
281 | Earth connection -1-, in engine prewiring wiring harness |
283 | Earth connection -2-, in engine prewiring wiring harness |
A27 | Connection (speed signal), in dash panel wiring harness, near micro-central electrics |
A104 | Connection -2- (15), in dash panel wiring harness |
D23 | Connection (via fuse 229), in front right wiring harness |
* | Only models with on-board computer |
G | Fuel gauge sender |
G6 | Fuel pump (pre-supply pump) |
G22 | Speedometer sender (Hall sender, on gearbox) |
S7 | Fuse in fuse box |
S228 | Fuse in fuse box |
S229 | Fuse in fuse box |
S232 | Fuse in fuse box |
S234 | Fuse in fuse box |
S243 | Fuse in fuse box |
T10i | 10-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 prewiring wiring harness |
A99 | Connection -1- (87), in dash panel wiring harness |
A100 | Connection -2- (87), in dash panel wiring harness |
D22 | Connection (via fuse 234), in front right wiring harness |
C10 | Suppression filter |
E87 | Control and display unit for air conditioner |
F1 | Oil pressure switch |
G17 | Ambient temperature sensor |
G106 | Ambient temperature indicator |
J218 | Combi-processor in dash panel insert |
K2 | Alternator warning lamp |
K3 | Oil pressure warning lamp |
T10i | 10-pin connector, in engine compartment, left |
T12a | 12-pin connector, behind dash panel, right |
T32 | 32-pin connector, blue, on dash panel insert |
T32a | 32-pin connector, green, on dash panel insert |
131 | Earth connection -2-, in engine compartment wiring harness |
269 | Earth connection (sender earth) -1-, in dash panel wiring harness |
283 | Earth connection -2-, in engine prewiring wiring harness |
A17 | Connection (61), in dash panel wiring harness |
* | Models with on-board computer |
** | Models without air conditioner |
*** | Models with air conditioner, see Current Flow Diagram: Air conditioner |