| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| D | Ignition/starter switch |
| J207 | Starter inhibitor relay |
| S123 | ABS control unit fuse 1 |
| T2ad | 2-pin connector, black, near alternator, in engine compartment, front right |
| TV1 | Junction box |
| TV2 | Terminal 30 junction box |
| 12 | Earth point, in engine compartment, left |
| 18 | Earth point, on cylinder block |
| 51 | Earth point, luggage compartment, right |
| A17 | Connection (61), in dash panel wiring harness |
| D97 | Connection (50), in engine compartment wiring harness, right |
| E20 | Positive (+) connection (30), in Motronic wiring harness |
| E100 | Connection (multi-function switch), in dash panel wiring harness |
| E104 | Earth connection, in dash panel wiring harness (near relay point) |
| * | Models with manual gearbox |
| ** | Models with automatic gearbox |
| J220 | Motronic control unit |
| N | Ignition coil |
| N30 | Injector, cylinder 1 |
| N31 | Injector, cylinder 2 |
| N32 | Injector, cylinder 3 |
| N33 | Injector, cylinder 4 |
| N83 | Injector, cylinder 5 |
| N84 | Injector, cylinder 6 |
| N163 | Ignition coil 4 |
| N189 | Ignition coil 6 |
| P | Spark plug connector |
| Q | Spark plugs |
| S115 | Ignition coil terminal 15 fuse |
| T10a | 10-pin connector, black, connector point, electronics box, plenum chamber |
| 600 | Earth point, on cylinder head, right |
| 601 | Earth point, on cylinder head, left |
| E6 | Positive (+) connection -1- (15), in Motronic wiring harness |
| E22 | Connection (15, ignition right), in Motronic wiring harness |
| E23 | Connection (15, ignition left), in Motronic wiring harness |
| E24 | Connection (87a, left inlet valve), in Motronic wiring harness |
| E25 | Connection (87a, right inlet valve), in Motronic wiring harness |
| J220 | Motronic control unit |
| N85 | Injector, cylinder 7 |
| N86 | Injector, cylinder 8 |
| N122 | Final output stage |
| N190 | Ignition coil 7 |
| P | Spark plug connector |
| Q | Spark plugs |
| S116 | Injector fuse |
| T4a | 4-pin connector, black, at output stage |
| T5 | 5-pin connector, black, at output stage |
| 85 | Earth connection -1-, in engine compartment wiring harness |
| 601 | Earth point, on cylinder head, left |
| E7 | Connection (87a), in Motronic wiring harness |
| E23 | Connection (15, ignition left), in Motronic wiring harness |
| E24 | Connection (87a, left inlet valve), in Motronic wiring harness |
| F60 | Idling switch |
| G42 | Intake air temperature sender |
| G61 | Knock sensor 1 |
| G62 | Coolant temperature sender |
| G66 | Knock sensor 2 |
| G69 | Throttle valve potentiometer |
| G70 | Air mass meter |
| J220 | Motronic control unit |
| N71 | Idling stabilization valve |
| T3i | 3-pin connector, green, at knock sensor 1 |
| T3k | 3-pin connector, brown, at knock sensor 2 |
| T6e | 6-pin connector, brown, connector point, electronics box, plenum chamber |
| 43 | Earth point, lower part of right A-pillar |
| 85 | Earth connection -1-, in engine compartment wiring harness |
| 139 | Earth connection (sender earth), in Motronic wiring harness |
| E16 | Positive (+) connection (5 volts), in Motronic wiring harness |
| E15 | Heated rear window switch |
| G28 | Engine speed sender |
| G40 | Hall sender |
| J220 | Motronic control unit |
| N80 | Activated charcoal filter system solenoid valve 1 (pulsed) |
| N128 | Ignition coil 2 |
| N156 | Intake manifold change-over valve |
| P | Spark plug connector |
| Q | Spark plugs |
| S117 | Control element fuse |
| T3m | 3-pin connector, grey, engine speed sender, in engine compartment |
| T6b | 6-pin connector, grey, connector point, wheelhouse, right |
| Z1 | Heated rear window |
| 85 | Earth connection -1-, in engine compartment wiring harness |
| 600 | Earth point, on cylinder head, right |
| D80 | Positive (+) connection (87a - for activated charcoal filter system solenoid valve), in engine compartment wiring harness |
| Z5 | Connection, in window heating wiring harness |
| E87 | Control and display unit for air conditioner |
| G39 | Lambda probe |
| J217 | Automatic gearbox control unit |
| J220 | Motronic control unit |
| J271 | Motronic current supply relay |
| N192 | Final output stage 2 |
| S113 | Automatic gearbox control unit fuse |
| T4b | 4-pin connector, brown, at output stage 2 |
| T4m | 4-pin connector, black, lambda probe, right |
| T5a | 5-pin connector, brown, at output stage |
| T10 | 10-pin connector, blue, connector point, electronics box, plenum chamber |
| T10a | 10-pin connector, black, connector point, electronics box, plenum chamber |
| Z19 | Lambda probe heater |
| 85 | Earth connection -1-, in engine compartment wiring harness |
| D50 | Positive (+) connection (30), in engine compartment wiring harness |
| E8 | Connection (screening), in Motronic wiring harness |
| E28 | Connection (lambda probe heating), in Motronic wiring harness |
| D | Ignition/starter switch |
| D2 | Immobilizer reading coil |
| F125 | Multi-function switch |
| G108 | Lambda probe 2 |
| J104 | ABS with EDL control unit |
| J217 | Automatic gearbox control unit |
| J220 | Motronic control unit |
| J362 | Immobilizer control unit |
| T4n | 4-pin connector, black, near lambda probe 2 |
| T6e | 6-pin connector, brown, connector point, electronics box, plenum chamber |
| T10c | 10-pin connector, green, connector point, electronics box, plenum chamber |
| Z28 | Lambda probe 2 heater |
| 43 | Earth point, lower part of right A-pillar |
| 85 | Earth connection -1-, in engine compartment wiring harness |
| A2 | Positive (+) connection (15), in dash panel wiring harness |
| E8 | Connection (screening), in Motronic wiring harness |
| E28 | Connection (lambda probe heating), in Motronic wiring harness |
| E105 | Earth connection, in dash panel wiring harness, left |
| * | Models with front-wheel drive and ABS |
| F18 | Radiator fan thermo-switch |
| F54 | Radiator fan thermo-switch |
| J26 | Radiator fan relay |
| J101 | Radiator fan 2nd speed relay |
| J135 | Radiator fan 3rd speed relay |
| N39 | Radiator fan series resistor |
| S4 | Fuse in fuse carrier |
| S42 | Radiator fan single fuse |
| T2x | 2-pin connector, brown, on radiator fan |
| V7 | Radiator fan |
| 12 | Earth point, in engine compartment, left |
| 44 | Earth point, lower part of left A-pillar |
| 83 | Earth connection -1-, in front right wiring harness |
| 129 | Earth connection, in dual tone horn wiring harness |
| A36 | Connection (75a), in dash panel wiring harness |
| E106 | Connection (30, radiator fan), in dash panel wiring harness |
| * | Near ABS control unit |
| F1 | Oil pressure switch |
| F34 | Brake fluid level warning contact |
| F66 | Coolant shortage indicator switch |
| G | Fuel gauge sender |
| G1 | Fuel gauge |
| G6 | Fuel pump (pre-supply pump) |
| G169 | Fuel gauge sender 2 |
| J218 | Combi-processor in dash panel insert |
| K3 | Oil pressure warning lamp |
| K16 | Reserve fuel warning lamp |
| K28 | Coolant temperature/coolant shortage warning lamp |
| S7 | Fuse in fuse carrier |
| S9 | Fuse in fuse carrier |
| T6f | 6-pin connector, black, on dash panel insert |
| T10a | 10-pin connector, black, connector point, electronics box, plenum chamber |
| T16a | 16-pin connector, diagnosis connection |
| T26 | 26-pin connector, red, on dash panel insert |
| T26b | 26-pin connector, yellow, on dash panel insert |
| 51 | Earth point, luggage compartment, right |
| 82 | Earth connection -1-, in front left wiring harness |
| A23 | Connection (30al), in dash panel wiring harness |
| E105 | Earth connection, in dash panel wiring harness, left |
| E115 | Earth connection (centre console), in dash panel wiring harness |
| E87 | Control and display unit for air conditioner |
| G3 | Coolant temperature gauge |
| G5 | Rev. counter |
| G82 | Coolant temperature sender - engine outlet |
| J104 | ABS with EDL control unit |
| J217 | Automatic gearbox control unit |
| J218 | Combi-processor in dash panel insert |
| K2 | Alternator warning lamp |
| K117 | Immobilizer warning lamp |
| T10a | 10-pin connector, black, connector point, electronics box, plenum chamber |
| T10b | 10-pin connector, yellow, connector point, electronics box, plenum chamber |
| T26 | 26-pin connector, red, on dash panel insert |
| T26a | 26-pin connector, green, on dash panel insert |
| T26b | 26-pin connector, yellow, on dash panel insert |
| Y6 | Selector lever position indicator |
| A27 | Connection (speed signal), in dash panel wiring harness |
| A45 | Connection (engine speed signal), in dash panel wiring harness |
| * | Models with air conditioner |
| E87 | Control and display unit for air conditioner |
| E123 | Trip recorder switch - zeroing |
| G21 | Speedometer |
| G22 | Speedometer sender |
| J104 | ABS with EDL control unit |
| J214 | Thermotronic control unit |
| J217 | Automatic gearbox control unit |
| J218 | Combi-processor in dash panel insert |
| J234 | Airbag control unit |
| K | Diagnosis connection |
| K72 | Catalyst monitor warning lamp |
| S1 | Fuse in fuse carrier |
| T6f | 6-pin connector, black, on dash panel insert |
| T6t | 6-pin connector, red, connector point, wheelhouse, right |
| T10 | 10-pin connector, blue, connector point, electronics box, plenum chamber |
| T16a | 16-pin connector, diagnosis connection |
| T26 | 26-pin connector, red, on dash panel insert |
| T26a | 26-pin connector, green, on dash panel insert |
| 102 | Earth connection, in gearbox wiring harness |
| A76 | Connection (diagnosis wire K), in dash panel wiring harness |
| D51 | Positive (+) connection -1- (15), in engine compartment wiring harness |
| E103 | Connection (15a), in dash panel wiring harness, right |
| E105 | Earth connection, in dash panel wiring harness, left |
| * | Models with Thermotronic |
| ** | Models with air conditioner |
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