| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| D | Ignition/starter switch |
| F18 | Thermal switch for radiator fan |
| SA12 | Fuse 1 on fuse holder engine compartment |
| SA13 | Fuse 2 on fuse holder engine compartment |
| S179 | Fuse 7 (30), on battery fuse holder |
| T2 | 2-pin connector, near starter |
| T3b | 3-pin connector, on radiator fan |
| T7 | 7-pin connector |
| T4g | 4-pin connector, black |
| T10a | 10-pin connector, green |
| T10d | 10-pin connector, red |
| V7 | Radiator fan |
| 1 | Earth strap, battery - body |
| 12 | Earth point, on left in engine compartment |
| 167 | Earth connection 4, in engine compartment wiring harness |
| 300 | Earth connection (radiator fan), in engine compartment wiring harness |
| 500 | Screw connection 1 (30), on relay plate |
| 502 | Screw connection 1 (30a), on relay plate |
| A40 | Positive connection 1 (30), in dash panel wiring harness |
| A41 | Positive connection (50), in dash panel wiring harness |
| D97 | Connection (50), in engine compartment right wiring harness |
| * | Not models with air conditioning system |
| D | Ignition/starter switch |
| G28 | Engine speed sender |
| J361 | Simos control unit |
| N152 | Ignition transformer |
| P | Spark plug connector |
| Q | Spark plug |
| SB34 | Fuse 34 in relay plate fuse holder |
| SB36 | Fuse 36 in relay plate fuse holder |
| T3e | 3-pin connector |
| T4b | 4-pin connector, black |
| T7 | 7-pin connector |
| T10a | 10-pin connector, green, coupling station under relay carrier |
| T14 | 14-pin connector, black, on left on cylinder head |
| T14a | 14-pin connector, brown, on left on cylinder head |
| T14c | 14-pin connector, on left of cylinder head |
| T121 | 121-pin connector, on Simos control unit |
| 10 | Earth point, in plenum chamber |
| A2 | Positive connection (15), in dash panel wiring harness |
| A15 | Positive connection 15, in dash panel wiring harness |
| G9 | Connection, in Simos wiring harness |
| G42 | Intake air temperature sender |
| G71 | Intake manifold pressure sender |
| G79 | Accelerator position sender |
| G185 | Accelerator position sender 2 |
| G186 | Throttle valve drive (electric power control) |
| G187 | Throttle valve drive angle sender 1 |
| G188 | Throttle valve drive angle sender 2 |
| J338 | Throttle valve module |
| J361 | Simos control unit |
| T6a | 6-pin connector, black, on throttle valve control module |
| T6b | 6-pin connector |
| T10b | 10-pin connector, black, coupling station under relay carrier |
| T14 | 14-pin connector, black, on left on cylinder head |
| T14a | 14-pin connector, brown, on left on cylinder head |
| T121 | 121-pin connector, on Simos control unit |
| 221 | Earth connection (engine earth), in engine wiring harness |
| 281 | Earth connection 1, in engine wiring harness |
| G2 | Coolant temperature sender |
| G40 | Hall sender I |
| G62 | Coolant temperature sender |
| J104 | ABS control unit with EDL |
| J361 | Simos control unit |
| N30 | Injector, cylinder 1 |
| N31 | Injector, cylinder 2 |
| N32 | Injector, cylinder 3 |
| N33 | Injector, cylinder 4 |
| T3 | 3-pin connector, on left of cylinder head |
| T10a | 10-pin connector, green, coupling station under relay carrier |
| T10s | 10-pin connector, grey, coupling station under relay carrier |
| T14 | 14-pin connector, black, on left on cylinder head |
| T14a | 14-pin connector, brown, on left on cylinder head |
| T14c | 14-pin connector, on left of cylinder head |
| T25 | 25-pin connector |
| T121 | 121-pin connector, on Simos control unit |
| 10 | Earth point, in plenum chamber |
| 281 | Earth connection 1, in engine pre-wiring wiring harness |
| D95 | Connection (injectors), in engine compartment wiring harness |
| D159 | Connection (high bus), in engine compartment wiring harness |
| D160 | Connection (low bus), in engine compartment wiring harness |
| G39 | Lambda probe before catalytic converter |
| G65 | High-pressure sender |
| G130 | Lambda probe after catalytic converter |
| J293 | Radiator fan control unit |
| J361 | Simos control unit |
| J362 | Immobiliser control unit |
| N79 | Crankcase breather heater breather |
| N80 | Activated charcoal filter system solenoid valve 1 |
| SB30 | Fuse 30 in relay plate fuse holder |
| T3 | 3-pin connector |
| T4f | 4-pin connector, on left of cylinder head |
| T6e | 6-pin connector |
| T10 | 10-pin connector, white, coupling station under relay carrier |
| T10d | 10-pin connector, red, coupling station under relay carrier |
| T10s | 10-pin connector, grey, coupling station under relay carrier |
| T14 | 14-pin connector |
| T14a | 14-pin connector, brown, on left on cylinder head |
| T121 | 121-pin connector, on Simos control unit |
| C35 | Connection (air conditioning system) in headlight/air conditioning system wiring harness |
| D136 | Positive connection 2 (15a), in engine compartment wiring harness |
| E30 | Connection (87a), in engine wiring harness |
| L2 | Connection in air conditioning system wiring harness |
| * | Only models with manually operated air conditioning system |
| F | Brake light switch |
| F36 | Clutch pedal switch |
| F63 | Brake pedal switch |
| G61 | Knock sensor |
| J361 | Simos control unit |
| N205 | Camshaft control valve |
| SB15 | Fuse 15 in relay plate fuse holder |
| SB24 | Fuse 24 in relay plate fuse holder |
| T2 | 2-pin connector, black |
| T10 | 10-pin connector, white, coupling station under relay carrier |
| T10c | 10-pin connector, blue, coupling station under relay carrier |
| T10s | 10-pin connector, grey, coupling station under relay carrier |
| T14 | 14-pin connector, black, on left on cylinder head |
| T14c | 14-pin connector, on left of cylinder head |
| T121 | 121-pin connector, on Simos control unit |
| A20 | Connection (15a), in dash panel wiring harness |
| A89 | Connection 2 (54), in dash panel wiring harness |
| J17 | Fuel pump relay |
| J234 | Airbag control unit, behind lower part of console |
| J361 | Simos control unit |
| J379 | Central locking and anti-theft alarm system control unit |
| SB31 | Fuse 31 in relay plate fuse holder |
| T10 | 10-pin connector |
| T10d | 10-pin connector, red, coupling station under relay carrier |
| T10s | 10-pin connector, grey, coupling station under relay carrier |
| T23 | 23-pin connector |
| T24 | 24-pin connector |
| T121 | 121-pin connector, on Simos control unit |
| 76 | Earth point, near selector mechanism |
| 81 | Earth connection 1, in dash panel wiring harness |
| A32 | Positive connection (30), in dash panel wiring harness |
| A125 | Connection (crash signal), in dash panel wiring harness |
| B154 | Connection 1 (DCt), in interior wiring harness |
| G | Fuel gauge sender |
| G6 | Fuel pump (pressurisation pump) |
| G22 | Speedometer sender (Hall sender on gearbox) |
| G32 | Coolant shortage indicator sender |
| SB1 | Fuse 1 in relay plate fuse holder |
| SB3 | Fuse 3 in relay plate fuse holder |
| SB28 | Fuse 28 in relay plate fuse holder |
| SB40 | Fuse 40 in relay plate fuse holder |
| T10a | 10-pin connector, green, coupling station under relay carrier |
| T10b | 10-pin connector, black, coupling station under relay carrier |
| T10d | 10-pin connector, red, coupling station under relay carrier |
| T14 | 14-pin connector, black, on left on cylinder head |
| T14a | 14-pin connector, brown, on left on cylinder head |
| T14c | 14-pin connector, on left of cylinder head |
| 50 | Earth point, on left in luggage compartment |
| 209 | Earth connection 6, in engine compartment wiring harness |
| 283 | Earth connection 2, in engine wiring harness |
| A99 | Connection 1 (87), in dash panel wiring harness |
| B109 | Earth connection, in rear left interior wiring harness |
| B149 | Positive connection 2 (15a), in interior wiring harness |
| F1 | Oil pressure switch |
| G1 | Fuel gauge |
| G3 | Coolant temperature display |
| G5 | Rev. counter |
| H11 | Oil pressure warning buzzer |
| J285 | Control unit with display in dash panel insert |
| K2 | Alternator warning lamp |
| K3 | Oil pressure warning lamp |
| K28 | Coolant temperature/coolant shortage warning lamp |
| K105 | Reserve fuel warning lamp |
| T10a | 10-pin connector, green, coupling station under relay carrier |
| T10d | 10-pin connector, red, coupling station under relay carrier |
| T32 | 32-pin connector, blue, on dash panel insert |
| A27 | Connection (speed signal), in dash panel wiring harness |
| J285 | Control unit with display in dash panel insert |
| J533 | Data bus diagnostic interface control unit |
| T16 | 16-pin connector, self-diagnosis connection |
| T32 | 32-pin connector, blue, on dash panel insert |
| T32a | 32-pin connector, green, on dash panel insert |
| A76 | Connection (K-diagnosis wire), in dash panel wiring harness |
| A121 | Connection (high bus), in dash panel wiring harness |
| A122 | Connection (low bus), in dash panel wiring harness |