| D | Ignition/starter switch |
| E20 | Switches and instruments, lighting control |
| E159 | Fresh air/air recirculating flap switch |
| K114 | Fresh air/air recirculation warning lamp |
| L16 | Fresh air control light bulb |
| SB26 | Fuse -26- on fuse box |
| T4 | 4-pin connector, black, behind dash panel, centre |
| T8g | 8-pin connector, behind dash panel, centre |
| T10u | 10-pin connector, behind dash panel, centre |
| V2 | Fresh air blower |
| V154 | Fresh/recirculating air flap control motor |
| 45 | Earth point, behind dash panel - centre |
| 162 | Earth connection, in blower motor wiring harness |
| B145 | Positive (+) connection (58b), in interior wiring harness |
| B157 | Positive (+) connection -3- (15a), in interior wiring harness |
| B235 | Connection -1- (15a), in interior wiring harness |
| D52 | Positive (+) connection (15a), in engine compartment wiring harness |
| L66 | Connection, in heater blower wiring harness |
| * | Only models without central locking |
| ** | Only models with central locking |
| E9 | Fresh air blower switch |
| E35 | Air conditioner switch |
| F38 | Ambient temperature switch |
| J59 | X contact relief relay |
| J293 | Radiator fan control unit, in engine compartment, front left |
| J361 | Injection system control unit, in plenum chamber, centre |
| K84 | Air conditioning system warning lamp |
| N24 | Fresh air blower with overheating fuse series resistor |
| SB49 | Fuse -49- on fuse box |
| T4 | 4-pin connector, behind dash panel |
| T4n | 4-pin connector, black, on fresh air blower series resistor |
| T6f | 6-pin connector, behind dash panel |
| T8g | 8-pin connector, behind dash panel |
| T10u | 10-pin connector, behind dash panel |
| T14b | 14-pin connector, black |
| T80 | 80-pin connector, on Simos control unit |
| B138 | Positive (+) connection (X), in interior wiring harness |
| D157 | Connection (air conditioner, on), in engine compartment wiring harness |
| L45 | Connection, in air conditioner controls wiring harness |
| L66 | Connection, in heater blower wiring harness |
| * | Only models, up to April 99 |
| ** | Only models, from May 99 |
| J217 | Automatic gearbox control unit |
| J220 | Motronic control unit (injection system) |
| J293 | Radiator fan control unit, in engine compartment, front left |
| J361 | Injection system control unit, in plenum chamber, centre |
| N25 | Air conditioning system magnetic coupling |
| T3a | 3-pin connector, black, in engine compartment, front left |
| T4h | 4-pin connector, black |
| T4k | 4-pin connector, black |
| T14b | 14-pin connector, black |
| T45 | 45-pin connector, on injection system control unit |
| T80 | 80-pin connector, on Simos control unit |
| V35 | Radiator fan |
| 12 | Earth point, in engine compartment, left |
| 124 | Earth connection, in engine compartment wiring harness |
| 167 | Earth connection -4-, in engine compartment wiring harness |
| 201 | Earth connection -5-, in engine compartment wiring harness |
| D135 | Connection (1st fan speed), in engine - headlight wiring harness |
| D161 | Connection, in heating wiring harness |
| Only models, up to April 99 |
| Only models 1.4 litre engine, AHW and AKQ |
| Only models 1.0 litre engine, ALL and AER |
| A | Battery |
| F18 | Radiator fan thermo-switch |
| G65 | High pressure sender |
| J220 | Motronic control unit (injection system) |
| J293 | Radiator fan control unit, in engine compartment, front left |
| J361 | Simos control unit (injection system) |
| J448 | 4AV (injection system) control unit |
| SA4 | Fuse -4- (30), in fuse box/battery |
| SA7 | Fuse -7- (30), in fuse box/battery |
| SA8 | Fuse -8- (30) in fuse box/battery |
| T3c | 3-pin connector, black, on high pressure sender |
| T4g | 4-pin connector, black, on battery fuse box |
| T4k | 4-pin connector, black |
| T14b | 14-pin connector, black |
| T45 | 45-pin connector, black, on engine control unit |
| T80 | 80-pin connector, on engine control unit |
| 124 | Earth connection, in engine compartment wiring harness |
| D61 | Connection (air conditioner), in engine compartment wiring harness |
| D135 | Connection -1- (15a), in interior wiring harness |
| K20 | Positive (+) connection -1- (30), in radiator fan wiring harness |
| * | Only models engine codes AHW, AKQ |
| ** | Only models engine codes AHT |
| *** | Only models engine codes ALL, AER |