| G85 | Steering angle sender |
| J285 | Control unit in dash panel insert |
| J533 | Data bus diagnostic interface, in dash panel insert |
| T6k | 6-pin connector |
| T16 | 16-pin connector, diagnosis connection, under left dash panel |
| T32 | 32-pin connector, blue, on dash panel insert |
| T32a | 32-pin connector, green, on dash panel insert |
| 332 | Earth connection 4, in dash panel wiring harness |
| A76 | Connection (diagnosis wire K), in dash panel wiring harness |
| A121 | Connection (high bus), in dash panel wiring harness |
| A122 | Connection (low bus), in dash panel wiring harness |
| E1 | Light switch |
| F9 | Handbrake warning switch |
| J104 | ABS control unit, in right front footwell |
| J217 | Automatic gearbox control unit, in right front footwell |
| J220 | Motronic control unit, in protective housing for control units, on left in engine compartment |
| J234 | Airbag control unit, behind the lower console |
| J248 | Diesel direct injection system control unit |
| J361 | Simos control unit, in protective housing for control units, on left in engine compartment |
| T17 | 17-pin connector |
| T47a | 47-pin connector |
| T68 | 68-pin connector |
| T75 | 75-pin connector |
| T121 | 121-pin connector |
| 42 | Earth point, next to steering column |
| 49 | Earth point, near steering column |
| 81 | Earth connection 1, in dash panel wiring harness |
| 135 | Earth connection 2, in dash panel wiring harness |
| 332 | Earth connection 4, in dash panel wiring harness |
| A121 | Connection (high bus), in dash panel wiring harness |
| A122 | Connection (low bus), in dash panel wiring harness |
