| Component code | Description | Reference to the assembly |
|---|
| B1 | Engine compartment junction unit | 5505C |
| B2 | Junction unit under dashboard | 5505C |
| D21 | Dashboard/air conditioning-heater coupling | - |
| D97 | Short circuit coupling | - |
| E50 | Instrument panel | 5560B |
| H1 | Ignition switch | 5520A |
| M1 | Body computer | 5505A |
| M10 | Engine management control unit | 1056B |
| M10 | Engine management control unit | 1060G |
| M50 | ABS control unit | 3340A |
| M51 | Braking system control unit (NFR) | - |
| M54 | Selespeed gearbox control unit | - |
| M70 | Climate control sytem control unit | 5040D |
| M86 | Electric steering control unit | 4110D |
| M94 | Radio Receiver Node | - |
| R10 | Multiple diagnostic coupling | 5505C |
