A | Battery |
B | Starter |
C | Alternator |
C1 | Voltage regulator |
D | Ignition/starter switch |
J207 | Starter inhibitor relay |
T1c | 1-pin connector, black |
T2a | 2-pin connector, black |
T9 | 9-pin connector, black, on starter inhibitor relay |
T10b | 10-pin connector, black, on protective housing for control units on left in engine compartment |
T10d | 10-pin connector, brown, on protective housing for control units on left in engine compartment |
1 | Earth strap, battery body |
500 | Screw connection 1 (30), on relay plate |
501 | Screw connection 2 (30), on relay plate |
A17 | Connection (61), in dash panel wiring harness |
A52 | Positive connection 2 (30), in dash panel wiring harness |
--- | Only models with automatic gearbox |
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 |
T4i | 4-pin connector, black, on ignition coil |
T4j | 4-pin connector, black, on ignition coil |
T4k | 4-pin connector, black, on ignition coil |
T4l | 4-pin connector, black, on ignition coil |
T10e | 10-pin connector, orange, on protective housing for control units on left in engine compartment |
T121 | 121-pin connector, on Motronic control unit |
16 | Earth point 1, on cylinder head cover |
85 | Earth connection 1, in engine compartment wiring harness |
D52 | Positive connection (15a), in engine compartment wiring harness |
G266 | Oil level and oil temperature sender |
J220 | Motronic control unit |
J299 | Secondary air pump relay |
S5 | Fuse in fuse holder |
S130 | Secondary air pump fuse |
T3a | 3-pin connector, white, on protective housing for control units on left in engine compartment |
T10d | 10-pin connector, brown, on protective housing for control units on left in engine compartment |
T121 | 121-pin connector, on Motronic control unit |
V101 | Secondary air pump motor |
28 | Earth point, on left on plenum chamber |
85 | Earth connection 1, in engine compartment wiring harness |
A74 | Connection (15a, fuse 5), in dash panel wiring harness |
D22 | Connection (via fuse 234), in front right wiring harness |
--- | Only models with automatic gearbox |
G39 | Lambda probe |
J220 | Motronic control unit |
N75 | Charge pressure control solenoid valve |
N80 | Activated charcoal filter system solenoid valve 1 (pulsed) |
N112 | Secondary air inlet valve |
N249 | Turbocharger air recirculation valve |
T6 | 6-pin connector, black |
T121 | 121-pin connector, on Motronic control unit |
241 | Earth connection 2 engine earth, in engine wiring harness |
D22 | Connection (via fuse 234), in front right wiring harness |
G70 | Air mass meter |
G130 | Lambda probe after catalytic converter |
J220 | Motronic control unit |
S234 | Fuse in fuse holder |
T4c | 4-pin connector, brown |
T10e | 10-pin connector, orange, on protective housing for control units on left in engine compartment |
T121 | 121-pin connector, on Motronic control unit |
241 | Earth connection 2, in engine wiring harness |
D22 | Connection (via fuse 234), in front right wiring harness |
D107 | Connection 5, in engine wiring harness |
D | Ignition/starter switch |
G42 | Intake air temperature sender |
J17 | Fuel pump relay |
J220 | Motronic control unit |
N30 | Injector, cylinder 1 |
N31 | Injector, cylinder 2 |
N32 | Injector, cylinder 3 |
N33 | Injector, cylinder 4 |
S232 | Fuse in fuse holder |
T10b | 10-pin connector, black, on protective housing for control units on left in engine compartment |
T10e | 10-pin connector, orange, on protective housing for control units on left in engine compartment |
T121 | 121-pin connector, on Motronic control unit |
220 | Earth connection (sender earth), in engine wiring harness |
504 | Screw connection 1 (87), on relay plate |
A2 | Positive connection (15), in dash panel wiring harness |
A20 | Positive connection (15a), in dash panel wiring harness |
D95 | Connection (injectors), in engine compartment wiring harness |
--- | Only models with automatic gearbox |
G28 | Engine speed sender |
G31 | Charge air pressure sender |
G40 | Hall sender |
G294 | Brake servo pressure sensor |
J220 | Motronic control unit |
T3b | 3-pin connector, grey, on left on bulkhead |
T4h | 4-pin connector |
T4v | 4-pin connector, black, on brake servo pressure sensor |
T121 | 121-pin connector, on Motronic control unit |
220 | Earth connection (sender earth), in engine wiring harness |
D106 | Connection 4, in engine compartment wiring harness |
--- | Only models with automatic gearbox |
G2 | Coolant temperature sender |
G61 | Knock sensor 1 |
G62 | Coolant temperature sender |
G66 | Knock sensor 2 |
J220 | Motronic control unit |
T3b | 3-pin connector, green, on left on bulkhead |
T3c | 3-pin connector, blue, on left on bulkhead |
T10b | 10-pin connector, black, on protective housing for control units on left in engine compartment |
T121 | 121-pin connector, on Motronic control unit |
220 | Earth connection (sender earth), in engine wiring harness |
D102 | Connection 2, in engine compartment wiring harness |
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 |
J271 | Motronic current supply relay |
J338 | Throttle valve module |
N205 | Inlet camshaft control valve 1 |
S132 | Fuse 2 |
S229 | Fuse in fuse holder |
T3a | 3-pin connector, white, on left on bulkhead |
T6a | 6-pin connector, black, on throttle valve control module |
T10b | 10-pin connector, black, on protective housing for control units on left in engine compartment |
T121 | 121-pin connector, on Motronic control unit |
D10 | Positive connection (30) in front right wiring harness |
D23 | Connection (via fuse 229), in front right wiring harness |
E45 | Cruise control system switch, position 0 = OFF in detent, position 1 = OFF with button, position 2 = ON, position 3 = RES |
E227 | Cruise control system (CCS) SET button |
F | Brake light switch |
F36 | Clutch pedal switch |
F47 | Cruise control system brake pedal switch |
J220 | Motronic control unit |
S7 | Fuse in relay plate fuse holder |
S13 | Fuse in fuse holder |
T10 | 10-pin connector, black, next to steering column |
T10e | 10-pin connector, orange, on protective housing for control units on left in engine compartment |
T15a | 15-pin connector, white, on protective housing for control units on left in engine compartment |
T121 | 121-pin connector, on Motronic control unit |
A89 | Connection 2 (54), in dash panel wiring harness |
A104 | Positive connection 2 (15), in dash panel wiring harness |
A154 | Connection (brake pedal switch), in dash panel wiring harness |
A130 | Connection (cruise control system), in dash panel wiring harness |
--- | Only models with cruise control system (CCS) |
* | Only models with manual gearbox |
G79 | Accelerator position sender |
G185 | Accelerator position sender 2 |
J220 | Motronic control unit |
J569 | Brake servo relay |
S131 | Fuse 1 |
T3s | 3-pin connector, red, on protective housing for control units on left in engine compartment |
T6b | 6-pin connector, on accelerator position sender |
T10d | 10-pin connector, brown, on protective housing for control units on left in engine compartment |
T15a | 15-pin connector, white, on protective housing for control units on left in engine compartment |
T15s | 15-pin connector, red, on protective housing for control units on left in engine compartment |
T121 | 121-pin connector, on Motronic control unit |
V192 | Vacuum pump for brakes |
A60 | Connection (speed signal), in dash panel wiring harness |
A121 | Connection (high bus), in dash panel wiring harness |
A122 | Connection (low bus), in dash panel wiring harness |
--- | Only models with automatic gearbox |
F1 | Oil pressure switch |
F120 | Anti-theft alarm and vermin repellent system contact switch |
G | Fuel gauge sender |
G6 | Fuel pump (pressurisation pump) |
G22 | Speedometer sender, inductive sender on left of gearbox |
G32 | Coolant shortage indicator sender |
S228 | Fuse in fuse holder |
T3d | 3-pin connector, front left in engine compartment |
T6c | 6-pin connector, blue, left A-pillar coupling station |
T10a | 10-pin connector, brown, left A-pillar coupling station |
T10b | 10-pin connector, black, on protective housing for control units on left in engine compartment |
T15k | 15-pin connector, grey |
44 | Earth point, lower part of left A-pillar |
78 | Earth point, lower part of right B-pillar |
86 | Earth connection 1, in rear wiring harness |
197 | Earth connection 4, in rear wiring harness |
269 | Earth connection (sender earth) 1, in dash panel wiring harness |
316 | Earth connection (sender earth 2), in engine wiring harness |
A91 | Connection (signal for dash panel insert), in dash panel wiring harness |
G1 | Fuel gauge |
G3 | Coolant temperature gauge |
H11 | Oil pressure warning buzzer |
J285 | Display control unit in dash panel insert |
K2 | Alternator warning lamp |
K3 | Oil pressure warning lamp |
K28 | Coolant temperature/coolant shortage warning lamp |
K31 | Cruise control system warning lamp |
K38 | Oil level warning lamp |
L75 | Digital display illumination bulb |
T32a | 32-pin connector, blue, on dash panel insert |
T32b | 32-pin connector, green, on dash panel insert |
Y4 | Odometer display |
J285 | Display control unit in dash panel insert |
J533 | Data bus diagnostic interface |
K83 | Exhaust emissions warning lamp |
K132 | Electronic power control fault lamp |
T32a | 32-pin connector, blue, on dash panel insert |
T32b | 32-pin connector, green, on dash panel insert |
A60 | Connection (speed signal), in dash panel wiring harness |
A121 | Connection (high bus), in dash panel wiring harness |
A122 | Connection (low bus), in dash panel wiring harness |