A | Battery |
B | Starter |
C | Alternator |
C1 | Voltage regulator |
D | Ignition/starter switch |
J59 | X-contact relief relay |
J155 | Turbocharger coolant pump control unit |
J207 | Starter inhibitor relay |
T1c | 1-pin connector, black |
T2b | 2-pin connector, black |
T9g | 9-pin connector, black |
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 |
V51 | Continued coolant circulation pump |
1 | Earth strap, battery body |
500 | Screw connection 1 (30), on relay plate |
502 | Screw connection 1 (30a), on relay plate |
A17 | Connection (61), in dash panel wiring harness |
A52 | Positive connection 2 (30), in dash panel wiring harness |
D97 | Connection (50), in engine compartment wiring harness |
--- | Only models with automatic gearbox |
J220 | Motronic control unit, in protective housing on left in engine compartment |
N127 | Ignition coil 2 with output stage |
N292 | Ignition coil 4 with output stage |
P | Spark plug connector |
Q | Spark plug |
S78 | Coolant pump fuse |
S229 | Fuse in fuse holder |
T4j | 4-pin connector |
T4l | 4-pin connector |
T8s | 8-pin connector, black |
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 |
16 | Earth point 1, on cylinder head cover |
84 | Earth connection, engine block, in front right wiring harness |
281 | Earth connection 1, in engine wiring harness |
501 | Screw connection 2 (30), on relay plate |
504 | Screw connection 1 (87), on relay plate |
D23 | Connections (via fuse 229), in front right wiring harness |
D | Ignition/starter switch |
J17 | Fuel pump relay |
J220 | Motronic control unit, in protective housing on left in engine compartment |
J393 | Convenience system central control unit |
N70 | Ignition coil 1 with output stage |
N291 | Ignition coil 3 with output stage |
N323 | Ignition coil 5 with output stage |
P | Spark plug connector |
Q | Spark plug |
T4i | 4-pin connector |
T4k | 4-pin connector |
T4n | 4-pin connector |
T8s | 8-pin connector, black |
T10b | 10-pin connector, black, on protective housing for control units on left in engine compartment |
T121 | 121-pin connector, on Motronic control unit |
30 | Earth connection 1, next to relay plate |
81 | Earth connection 1, in dash panel wiring harness |
84 | Earth connection, engine block, in front right wiring harness |
281 | Earth connection 1, in engine wiring harness |
A86 | Connection (50a), in dash panel wiring harness |
D23 | Connections (via fuse 229), in front right wiring harness |
D | Ignition/starter switch |
J220 | Motronic control unit, in protective housing on left in engine compartment |
J569 | Brake servo relay |
S131 | Fuse 1 |
S232 | Fuse in fuse holder |
T3s | 3-pin connector, red, 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 |
28 | Earth point, on bulkhead |
85 | Earth connection 1, in engine compartment wiring harness |
A2 | Positive connection (15), in dash panel wiring harness |
A20 | Connection (15a), in dash panel wiring harness |
--- | Only models with automatic gearbox |
* | Not with all levels of equipment |
J220 | Motronic control unit, in protective housing on left in engine compartment |
N30 | Injector, cylinder 1 |
N31 | Injector, cylinder 2 |
N32 | Injector, cylinder 3 |
N33 | Injector, cylinder 4 |
N83 | Injector, cylinder 5 |
T10e | 10-pin connector, orange, on protective housing for control units on left in engine compartment |
T10f | 10-pin connector |
T121 | 121-pin connector, on Motronic control unit |
A20 | Connection (15a), in dash panel wiring harness |
D52 | Positive connection (15a), in engine compartment wiring harness |
--- | Only models with cruise control system (CCS) |
F | Brake light switch |
F36 | Clutch pedal switch |
F47 | Cruise control system brake pedal switch/diesel direct injection system |
J220 | Motronic control unit, in protective housing on left in engine compartment |
N79 | Heater element for crankcase breather |
N205 | Inlet camshaft control valve 1 |
N208 | Inlet camshaft control valve 2 |
S7 | Fuse in relay plate fuse holder |
S13 | Fuse in relay plate fuse holder |
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), in dash panel wiring harness |
D52 | Positive connection (15a), in engine compartment wiring harness |
* | Only models with manual gearbox |
** | Not with all levels of equipment |
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 |
J220 | Motronic control unit, in protective housing on left in engine compartment |
T10 | 10-pin connector, black, on right next to steering column |
T15a | 15-pin connector, white, on protective housing for control units on left in engine compartment |
T121 | 121-pin connector, on Motronic control unit |
A130 | Connection (CCS), in dash panel wiring harness |
--- | Only models with cruise control system (CCS) |
G2 | Coolant temperature sender |
G40 | Hall sender |
G62 | Coolant temperature sender |
G163 | Hall sender 2 |
G294 | Brake servo pressure sensor |
J220 | Motronic control unit, in protective housing on left in engine compartment |
T4v | 4-pin connector, black, on brake servo pressure sensor |
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 |
D106 | Connection 4, in engine compartment wiring harness |
--- | Only models with automatic gearbox |
G28 | Engine speed sender |
G61 | Knock sensor 1 |
G66 | Knock sensor 2 |
J220 | Motronic control unit, in protective housing on left in engine compartment |
T3a | 3-pin connector, black, on left on bulkhead |
T3b | 3-pin connector, grey, on left on bulkhead |
T3c | 3-pin connector, brown, on left on bulkhead |
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 |
E15 | Heated rear window switch |
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, in protective housing on left in engine compartment |
J255 | Climatronic control unit |
J314 | Air conditioning system cut-off control unit |
J338 | Throttle valve module |
T6a | 6-pin connector, black, on throttle valve control module |
T6h | 6-pin connector, black, on heated rear window switch |
T15s | 15-pin connector, red, on protective housing for control units on left in engine compartment |
T121 | 121-pin connector, on Motronic control unit |
A64 | Connection (30, speed boost), in dash panel wiring harness |
* | Only models with air conditioning system |
J220 | Motronic control unit, in protective housing on left in engine compartment |
J299 | Secondary air pump relay (373), in protective housing for control units on left in engine compartment |
N80 | Activated charcoal filter system solenoid valve 1 (pulsed) |
N112 | Secondary air inlet valve |
N156 | Variable intake manifold changeover valve |
S130 | Secondary air pump fuse, in protective housing for control units on left in engine compartment |
S234 | Fuse in fuse holder |
T3a | 3-pin connector, green, on left on bulkhead |
T10e | 10-pin connector, orange, on protective housing for control units on left in engine compartment |
T10b | 10-pin connector, black, 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 bulkhead |
E30 | Connection (87a), in engine wiring harness |
G70 | Air mass meter |
G79 | Accelerator position sender |
G185 | Accelerator position sender 2 |
J220 | Motronic control unit, in protective housing 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 |
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 |
E30 | Connection (87a), in engine wiring harness |
F1 | Oil pressure switch |
G | Fuel gauge sender |
G6 | Fuel system pressurisation pump |
G22 | Speedometer sender (inductive sender on gearbox) |
G32 | Coolant shortage indicator sender |
G169 | Fuel gauge sender 2 |
G237 | Fuel gauge sender 3 |
S228 | Fuse in fuse holder |
T3d | 3-pin connector, front left in engine compartment |
T4e | 4-pin connector, black |
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 |
78 | Earth point, lower part of right B-pillar |
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 |
F120 | Anti-theft alarm and vermin repellent system contact switch |
G266 | Oil level and oil temperature sender |
J285 | Display control unit in dash panel insert |
J393 | Convenience system central control unit, in front left footwell |
K31 | Cruise control system warning lamp |
K38 | Oil level warning lamp |
S5 | Fuse in relay plate fuse holder |
T10a | 10-pin connector, brown, left A-pillar coupling station |
T10d | 10-pin connector, brown, on protective housing for control units on left in engine compartment |
T15k | 15-pin connector, grey |
T32a | 32-pin connector, blue, on dash panel insert |
T32b | 32-pin connector, green, on dash panel insert |
44 | Earth point, lower part of left A-pillar |
86 | Earth connection 1, in rear wiring harness |
A74 | Connection (15a, fuse 5), in dash panel 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 |
J533 | Data bus diagnostic interface |
L75 | Digital display illumination bulb |
K2 | Alternator warning lamp |
K3 | Oil pressure warning lamp |
K28 | Coolant temperature/coolant shortage warning lamp |
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 |
Y4 | Odometer display |
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 |