| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| D | Ignition/starter switch |
| F18 | Radiator fan thermo-switch |
| J59 | X contact relief relay |
| SA1 | Fuse -1- (30), on battery fuse holder |
| SA2 | Fuse -2- (30), on battery fuse holder |
| SA7 | Fuse -7- (30) on battery fuse holder |
| T3b | 3-pin connector, on radiator fan |
| T4g | 4-pin connector, black, on battery fuse holder |
| T4h | 4-pin connector, near starter |
| T10a | 10-pin connector, green, coupling station under relay carrier¹) |
| T10d | 10-pin connector, red, coupling station under relay carrier¹) |
| V7 | Radiator fan |
| 1 | Earth strap, battery body |
| 167 | Earth connection -4-, in engine compartment wiring harness |
| 500 | Screw connection -1- (30), on relay plate |
| 501 | Screw connection -2- (30), on relay plate |
| 502 | Screw connection -1- (30a), on relay plate |
| D97 | Connection (50), in engine compartment wiring harness, right |
| D | Ignition/starter switch |
| G28 | Engine speed sender, on gearbox |
| J361 | Simos control unit, in plenum chamber, centre |
| N152 | Ignition transformer, on cylinder head |
| P | Spark plug connector |
| Q | Spark plugs |
| SB32 | Fuse -32- on fuse box |
| SB34 | Fuse -34- on fuse box |
| SB36 | Fuse -36- on fuse box |
| T4h | 4-pin connector, on ignition transformer |
| T4j | 4-pin connector, black, in engine compartment, front left |
| T10a | 10-pin connector, green, connector point under relay carrier |
| T10c | 10-pin connector, blue, connector point under relay carrier |
| T10j | 10-pin connector, connector point under relay carrier |
| T14 | 14-pin connector, black, on cylinder head, left |
| T80 | 80-pin connector, on Simos control unit |
| 12 | Earth point, in engine compartment, left |
| 201 | Earth connection -5-, in engine compartment wiring harness |
| 220 | Earth connection (sender earth), in engine wiring harness |
| B135 | Connection -1- (15a), in interior wiring harness |
| A2 | Positive (+) connection (15), in dash panel wiring harness |
| D141 | Connection (5V), in engine prewiring wiring harness |
| F60 | Idling switch |
| G42 | Intake air temperature sender |
| G69 | Throttle valve potentiometer |
| G71 | Intake manifold pressure sender |
| G88 | Throttle valve positioner potentiometer |
| J338 | Throttle valve control unit |
| J361 | Simos control unit, in plenum chamber, centre |
| T8h | 8-pin connector, black, on throttle valve control unit |
| T10j | 10-pin connector, black, on cylinder head, left |
| T14 | 14-pin connector, black, on cylinder head, left |
| T80 | 80-pin connector |
| V60 | Throttle valve positioner |
| 220 | Earth connection (sender earth), in engine wiring harness |
| G2 | Coolant temperature sender |
| G62 | Coolant temperature sender |
| J361 | Simos control unit, centre in plenum chamber |
| N30 | Injector, cylinder 1 |
| N31 | Injector, cylinder 2 |
| N32 | Injector, cylinder 3 |
| N33 | Injector, cylinder 4 |
| SB3 | Fuse -3- on relay plate fuse holder |
| T4j | 4-pin connector, brown, left on cylinder head |
| T10a | 10-pin connector, green, coupling station under relay carrier¹) |
| T10j | 10-pin connector, black, left on cylinder head |
| T14 | 14-pin connector, black, left on cylinder head |
| T80 | 80-pin connector, on Simos control unit |
| 10 | Earth point, in plenum chamber |
| 220 | Earth connection (sender earth), in engine wiring harness |
| 221 | Earth connection (engine earth), in engine wiring harness |
| D25 | Positive connection (15), in engine wiring harness |
| D95 | Connection (injectors), in engine compartment wiring harness |
| D137 | Connection -2- (injectors), in engine compartment wiring harness |
| F88 | Power assisted steering pressure switch |
| G39 | Lambda probe |
| J361 | Simos control unit, centre in plenum chamber |
| J362 | Immobilizer control unit |
| N80 | Activated charcoal filter system solenoid valve I |
| SB31 | Fuse -31- on fuse holder |
| T4f | 4-pin connector, black, on left cylinder head |
| T10 | 10-pin connector, white, coupling station under relay carrier¹) |
| T10c | 10-pin connector, blue, coupling station under relay carrier¹) |
| T10d | 10-pin connector, red, coupling station under relay carrier¹) |
| T80 | 80-pin connector, on Simos control unit |
| Z19 | Heating for Lambda probe |
| 132 | Earth connection -3-, in engine compartment wiring harness |
| G61 | Knock sensor I |
| J17 | Fuel pump relay |
| J234 | Airbag control unit, behind lower console |
| J361 | Simos control unit, centre in plenum chamber |
| SB1 | Fuse -15- on relay plate fuse holder |
| SB31 | Fuse -31- on relay plate fuse holder |
| SB37 | Fuse -37- on relay plate fuse holder |
| SB40 | Fuse -40- in relay plate fuse holder |
| T3c | 3-pin connector, on left cylinder head |
| T10b | 10-pin connector, black, coupling station under relay carrier¹) |
| T10d | 10-pin connector, red, coupling station under relay carrier¹) |
| T10x | 10-pin connector, grey, coupling station under relay carrier¹) |
| T14 | 14-pin connector, black, left on cylinder head |
| T80 | 80-pin connector, on Simos control unit |
| W | Interior light, front |
| 200 | Earth connection (screening), in engine compartment wiring harness |
| A99 | Connection -1- (87), in dash panel wiring harness |
| A125 | Connection (crash signal), in dash panel wiring harness |
| B102 | Earth connection, in front left interior wiring harness |
| B111 | Positive connection -1- (30a), in interior wiring harness |
| B150 | Positive connection -2- (30a), in interior wiring harness |
| * | For airbag and central locking only |
| ** | For airbag and central locking only |
| G | Fuel gauge sender |
| G6 | Fuel pump (pre-supply pump) |
| G22 | Speedometer sender (Hall sender on gearbox) |
| G32 | Coolant shortage indicator sender |
| T4j | 4-pin connector, brown, left on cylinder head |
| T10b | 10-pin connector, black, coupling station under relay carrier¹) |
| T10d | 10-pin connector, red, coupling station under relay carrier¹) |
| T14 | 14-pin connector, black, left on cylinder head |
| 132 | Earth connection -3-, in engine compartment wiring harness |
| 221 | Earth connection (engine earth), in engine wiring harness |
| B109 | Earth connection, in rear left interior wiring harness |
| F1 | Oil pressure switch |
| G1 | Fuel gauge |
| G3 | Coolant temperature gauge |
| 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 carrier¹) |
| T10d | 10-pin connector, red, coupling station under relay carrier¹) |
| T14 | 14-pin connector, black, left on cylinder head |
| T32 | 32-pin connector, blue, on dash panel insert |
