| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| D | Ignition/starter switch |
| J226 | Starter inhibitor and reversing light relay |
| T2 | 2-pin connector, on right on engine block |
| T6n | 6-pin connector, red, on protective housing for control units on left in engine compartment |
| T9 | 9-pin connector, 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 |
| T10k | 10-pin connector, grey, left A-pillar coupling station |
| A17 | Connection (61), in dash panel wiring harness |
| * | Up to July 1998 |
| ** | From August 1998 |
| A | Battery |
| D | Ignition/starter switch |
| J17 | Fuel pump relay, control number (208) |
| J285 | Display control unit in dash panel insert |
| S232 | Fuse 32 in fuse holder |
| S237 | Fuse 37 in fuse holder |
| T32a | 32-pin connector, blue, on dash panel insert |
| 1 | Earth strap, battery body |
| 2 | Earth strap, gearbox - body |
| 500 | Screw connection 1 (30), on relay plate |
| 502 | Screw connection 1 (30a), on relay plate |
| A2 | Positive connection (15), in dash panel wiring harness |
| A86 | Connection (50a), in dash panel wiring harness |
| J220 | Motronic control unit, in protective housing on left in engine compartment |
| N | Ignition coil 1 |
| N122 | Output stage for ignition coils |
| N128 | Ignition coil 2 |
| N158 | Ignition coil 3 |
| N163 | Ignition coil 4 |
| P | Spark plug connector |
| Q | Spark plug |
| T4a | 4-pin connector, black, on output stage for ignition coils |
| T5 | 5-pin connector, black, on output stage for ignition coils |
| T6n | 6-pin connector, red, 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 |
| T80 | 80-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, ignition coils control unit), in engine compartment wiring harness |
| * | Up to July 1998 |
| ** | From August 1998 |
| F96 | Altitude sender |
| G2 | Coolant temperature sender |
| G40 | Hall sender |
| G62 | Coolant temperature sender |
| J207 | Starter inhibitor relay |
| J217 | Control unit for automatic gearbox |
| J220 | Motronic control unit, in protective housing on left in engine compartment |
| T9 | 9-pin connector, on starter inhibitor relay |
| T10b | 10-pin connector, black, on protective housing for control units on left in engine compartment |
| T10h | 10-pin connector, blue, on protective housing for control units on left in engine compartment |
| T80 | 80-pin connector, on Motronic control unit |
| T88 | 88-pin connector, on automatic gearbox control unit |
| 220 | Earth connection (sender earth), in engine wiring harness |
| E17 | Connection 2, in Motronic wiring harness, from August 1998 |
| * | Up to July 1998 |
| ** | From August 1998 |
| --- | Only models with automatic gearbox |
| F60 | Idling speed switch |
| G61 | Knock sensor 1 |
| G69 | Throttle valve potentiometer |
| G42 | Intake air temperature sender |
| G88 | Throttle valve positioner potentiometer |
| J220 | Motronic control unit, in protective housing on left in engine compartment |
| J338 | Throttle valve module |
| T3a | 3-pin connector, green, on left on bulkhead |
| T6n | 6-pin connector, red, on protective housing for control units on left in engine compartment |
| T8h | 8-pin connector, on throttle valve module |
| 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 (connection for air conditioning system) |
| T80 | 80-pin connector, on Motronic control unit |
| V60 | Throttle valve positioner |
| 131 | Earth connection 2, in engine compartment wiring harness |
| 501 | Screw connection 2 (30), on relay plate |
| * | Up to July 1998 |
| ** | From August 1998 |
| G28 | Engine speed sender |
| G66 | Knock sensor 2 |
| J220 | Motronic control unit, in protective housing on left in engine compartment |
| J255 | Climatronic control unit |
| T3b | 3-pin connector, grey, on left on bulkhead |
| T3c | 3-pin connector, blue, on left on bulkhead |
| T10d | 10-pin connector, brown, on protective housing on left in engine compartment |
| T10e | 10-pin connector, orange, on protective housing on left in engine compartment |
| T15s | 15-pin connector, red, on protective housing for control units on left in engine compartment |
| T16b | 16-pin connector, on Climatronic control unit |
| T80 | 80-pin connector, on Motronic control unit |
| 12 | Earth point, on left in engine compartment |
| 85 | Earth connection 1, in engine compartment wiring harness |
| 131 | Earth connection 2, in engine compartment wiring harness |
| 220 | Earth connection (sender earth), in engine wiring harness |
| * | Up to July 1998 |
| ** | From August 1998 |
| G70 | Air mass meter |
| 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 |
| S234 | Fuse 34 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 |
| T80 | 80-pin connector, on Motronic control unit |
| 85 | Earth connection 1, in engine compartment wiring harness |
| D95 | Connection (injectors), in engine compartment wiring harness |
| E30 | Connection (87a), in engine wiring harness |
| * | Up to July 1998 |
| ** | From August 1998 |
| G39 | Lambda probe |
| J104 | ABS with EDL control unit |
| J220 | Motronic control unit, in protective housing on left in engine compartment |
| N75 | Charge pressure control solenoid valve |
| N80 | Activated charcoal filter system solenoid valve 1 (pulsed) |
| T4 | 4-pin connector |
| 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 |
| T10e | 10-pin connector, orange, on protective housing for control units on left in engine compartment |
| T10h | 10-pin connector, blue, 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 |
| T31 | 31-pin connector, on ABS with EDL control unit |
| T80 | 80-pin connector, on Motronic control unit |
| A27 | Connection (speed signal), in dash panel wiring harness |
| A45 | Connection (RPM signal), in dash panel wiring harness |
| A131 | Connection (fuel consumption indicator), in dash panel wiring harness |
| E30 | Connection (87a), in engine wiring harness |
| --- | Only models with automatic gearbox |
| * | Up to July 1998 |
| ** | From August 1998 |
| G | Fuel gauge sender |
| G6 | Fuel pump |
| S228 | Fuse 28 in fuse holder |
| S229 | Fuse in fuse holder |
| T6c | 6-pin connector, blue, left A-pillar coupling station |
| T6n | 6-pin connector, red, on protective housing for control units on left in engine compartment |
| 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 |
| T10e | 10-pin connector, orange, on protective housing for control units on left in engine compartment |
| 75 | Earth point, rear right 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 |
| 504 | Screw connection 1 (87), on relay plate |
| E30 | Connection (87a), in engine wiring harness |
| * | Up to July 1998 |
| ** | From August 1998 |
| F1 | Oil pressure switch |
| G22 | Speedometer sender, on left in gearbox |
| G32 | Coolant shortage indicator sender |
| T3d | 3-pin connector, front left in engine compartment |
| T10b | 10-pin connector, black, on protective housing for control units on left in engine compartment |
| 12 | Earth point, on left in engine compartment |
| 85 | Earth connection 1, in engine compartment wiring harness |
| * | Up to July 1998 |
| ** | From August 1998 |
| G1 | Fuel gauge |
| G3 | Coolant temperature gauge |
| H11 | Oil pressure warning buzzer |
| J285 | Display control unit, in dash panel insert |
| L75 | Digital display illumination bulb |
| K2 | Alternator warning lamp |
| K3 | Oil pressure warning lamp |
| K28 | Coolant temperature/coolant shortage warning lamp |
| T32a | 32-pin connector, blue, on dash panel insert |
| T32b | 32-pin connector, green, on dash panel insert |
| Y4 | Odometer display |
| A27 | Connection (speed signal), in dash panel wiring harness |
| A45 | Connection (RPM signal), in dash panel wiring harness |
| A131 | Connection (fuel consumption indicator), in dash panel wiring harness |
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