| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| J220 | Motronic control unit |
| J519 | Onboard supply control unit |
| S162 | Fuse 1 (30) in fuse holder on battery |
| S163 | Fuse 2 (30) in fuse holder on battery |
| S177 | Fuse 5 (30) in fuse holder on battery |
| S180 | Fuse 8 (30) in fuse holder on battery |
| S269 | Fuse 11 (30) in fuse holder on battery |
| T1a | Single pin connector, on starter |
| T2x | 2-pin connector, near dual tone horn |
| T2y | 2-pin connector, on alternator |
| T6q | 6-pin connector, blue, on left in engine compartment |
| T11d | 11-pin connector, white, in left engine compartment |
| T18a | 18-pin connector, on onboard supply control unit |
| T52a | 52-pin connector, onboard supply control unit |
| 1 | Earth strap, battery - body |
| 507 | Screw connection (30), on fuse holder on battery |
| 621 | Earth point, onboard supply battery |
| D | Ignition/starter switch |
| E19 | Parking light switch |
| J59 | X-contact relief relay |
| J519 | Onboard supply control unit |
| SB10 | Fuse 10 on fuse holder |
| T6j | 6-pin connector, on X-contact relief relay |
| T8a | 8-connector, on ignition/starter switch |
| T18a | 18-pin connector, onboard supply control unit |
| T41a | 41-pin connector, on parking light switch |
| B111 | Positive connection 1 (30a), in interior wiring harness |
| B491 | Positive connection (75), in interior wiring harness |
| B493 | Connection (75x), in interior wiring harness |
| B500 | Connection (86s), in interior wiring harness |
| B503 | Positive connection 7 (30a), in interior wiring harness |
| E9 | Fresh air blower switch |
| E30 | Air conditioning system switch |
| E159 | Fresh air/air recirculation flap switch |
| J301 | Air conditioning system control unit |
| J519 | Onboard supply control unit |
| L43 | Air conditioning system switch illumination bulb |
| N24 | Fresh air blower series resistor with overheating fuse |
| SB36 | Fuse 36 on fuse holder |
| T2aq | 2-pin connector, on fresh air blower |
| T2da | 2-pin connector, fresh air and air recirculation flap control motor |
| T4q | 4-pin connector, on fresh air blower series resistor with overheating fuse |
| T5l | 5-pin connector, on fresh air blower switch |
| T6x | 6-pin connector, on fresh air and air recirculation flap control motor |
| T10a | 10-pin connector, behind right dash panel |
| T16f | 16-pin connector, air conditioning system control unit |
| V2 | Fresh air blower |
| V154 | Fresh air/recirculated air flap control motor |
| 606 | Earth point, under the centre console near gear stick |
| L78 | Connection, in fresh air blower wiring harness |
| J301 | Air conditioning system control unit |
| J519 | Onboard supply control unit |
| K | Dash panel insert |
| K114 | Fresh air and air recirculation warning lamp |
| L16 | Fresh air regulator illumination bulb |
| T11c | 11-pin connector, brown, in left engine compartment |
| T16b | 16-pin connector, near relay station, self-diagnosis connection |
| T16f | 16-pin connector, air conditioning system control unit |
| T8b | 8-pin connector, dash panel insert |
| 42 | Earth point, next to steering column |
| 279 | Earth connection 5, in interior wiring harness |
| 284 | Earth connection 6, in interior wiring harness |
| 285 | Earth connection 7, in interior wiring harness |
| 295 | Earth connection 10, in interior wiring harness |
| 606 | Earth point, under the centre console near selector lever |
| B159 | Connection (diagnosis), in interior wiring harness |
| G65 | High pressure sender |
| J301 | Air conditioning system control unit |
| J519 | Onboard supply control unit |
| K | Dash panel insert |
| T3k | 3-pin connector, on high pressure sender |
| T11c | 11-pin connector, brown, in left engine compartment |
| T16f | 16-pin connector, air conditioning system control unit |
| T32a | 32-pin connector, on dash panel insert |
| 167 | Earth connection 4, in engine compartment wiring harness |
| B149 | Positive connection 2 (15a), in interior wiring harness |
| B229 | Connection (high bus), in interior wiring harness |
| B230 | Connection (low bus), in interior wiring harness |
| D136 | Connection 2 (15a), in engine compartment wiring harness |
| F18 | Radiator fan thermal switch |
| J293 | Radiator fan control unit |
| J519 | Onboard supply control unit |
| N25 | Air conditioning system magnetic coupling |
| T2bc | 2-pin connector, near dual tone horn |
| T2bd | 2-pin connector, near compressor |
| T3e | 3-pin connector, in left engine compartment |
| T3f | 3-pin connector, on radiator fan thermal switch |
| T4r | 4-pin connector, radiator fan control unit |
| T6k | 6-pin connector, radiator fan control unit |
| T11c | 11-pin connector, brown, in left engine compartment |
| V35 | Right radiator fan |
| 167 | Earth connection 4, in engine compartment wiring harness |
| D168 | Connection (fan stage 2), in engine compartment wiring harness |
| J293 | Radiator fan control unit |
| J519 | Onboard supply control unit |
| T3r | 3-pin connector, in left engine compartment |
| T4r | 4-pin connector, radiator fan control unit |
| T6k | 6-pin connector, radiator fan control unit |
| V7 | Radiator fan |
| 167 | Earth connection 4, in engine compartment wiring harness |
| D167 | Connection (fan stage 1), in engine compartment wiring harness |
| J519 | Onboard supply control unit |
| T3c | 3-pin connector, grey, in left engine compartment |
| T5d | 5-pin connector, black, onboard supply control unit |
| T5e | 5-pin connector, beige, onboard supply control unit |
| T16a | 16-pin connector, on onboard supply control unit |
| B150 | Positive connection 2 (30a), in interior wiring harness |
| B156 | Positive connection (30a), in interior wiring harness |
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