| B | Starter |
| D | Ignition/starter switch |
| G28 | Engine speed sender |
| G40 | Hall sender |
| G61 | Knock sensor |
| J361 | Simos control unit, on right in plenum chamber |
| N152 | Ignition transformer |
| N157 | Ignition transformer output stage |
| O | Ignition distributor |
| P | Spark plug connector |
| Q | Spark plugs |
| T3 | 3-pin connector |
| T3c | 3-pin connector, on engine |
| T3g | 3-pin connector, on engine |
| T10 | 10-pin connector, behind the relay plate |
| T28a | 28-pin connector, on engine |
| T68 | 68-pin connector |
| 220 | Earth connection (sender earth), in engine wiring harness |
| 246 | Earth connection (control unit), in engine wiring harness |
| E31 | Connection (15), in engine wiring harness |
| * | only automatic gearbox |
| G2 | Coolant temperature display sender |
| G6 | Fuel pump |
| G39 | Lambda probe |
| G62 | Coolant temperature sender |
| G72 | Intake manifold temperature sender |
| J17 | Fuel pump relay |
| J361 | Simos control unit, on right in plenum chamber |
| J362 | Immobilizer control unit |
| K | Dash panel insert |
| N30 | Injector, cylinder 1 |
| N31 | Injector, cylinder 2 |
| N32 | Injector, cylinder 3 |
| N33 | Injector, cylinder 4 |
| T1b | 1-pin connector, above the relay plate |
| T2n | 2-pin connector, behind the relay plate |
| T3h | 3-pin connector, above the relay plate |
| T4 | 4-pin connector, near intake manifold |
| T10 | 10-pin connector, behind the relay plate |
| T28 | 28-pin connector, on dash panel insert |
| T28a | 28-pin connector, on engine |
| T68 | 68-pin connector |
| TV2 | Terminal 30 wiring junction, above the relay plate |
| 18 | Earth point, on engine block |
| 220 | Earth connection (sender earth), in engine wiring harness |
| G3 | Positive connection in cable sleeve - injectors |
| * | only automatic gearbox |
| F87 | Fan run-on thermal switch |
| G70 | Air mass meter |
| J293 | Radiator fan control unit |
| J338 | Throttle valve module |
| J361 | Simos control unit, on right in plenum chamber |
| J363 | Current supply relay for Simos control unit |
| K | Dash panel insert |
| N80 | Activated charcoal filter system solenoid valve 1 (pulsed) |
| R | Radio |
| T1a | 1-pin connector, in left engine compartment |
| T6 | 6-pin connector |
| T8 | 8-pin connector, on radio |
| T28 | 28-pin connector, on dash panel insert |
| T28a | 28-pin connector, on engine |
| TV13 | Speed signal wiring junction, above the relay plate |
| 13 | Earth point, on right in engine compartment |
| 246 | Earth connection (control unit), in engine wiring harness |
| E30 | Connection (87a), in engine wiring harness |
| G1 | Positive connection (15), in engine harness |
| E86 | Multifunction display call-up button |
| E109 | Multifunction display memory switch |
| F1 | Oil pressure switch |
| F22 | Oil pressure switch (0.3 bar) |
| G3 | Coolant temperature gauge |
| G8 | Oil temperature sender |
| G22 | Speedometer sender (Hall sender, on gearbox) |
| K | Dash panel insert |
| T4b | 4-pin connector, behind steering column switch trim |
| T28 | 28-pin connector, on dash panel insert |
| T28a | 28-pin connector, on engine |
| 18 | Earth point, on engine block |
| 221 | Earth connection (engine earth), in engine wiring harness |
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