| Pin | Type | Description / Signal type | Connection /
Measuring notes |
|---|
| 1 | E | Rear left speed signal | ABS/ASC control unit |
| | | |
| 2 | | Not used | |
| | | |
| 3 | | Not used | |
| | | |
| 4 | E | Brake pad wear indicator | Brake pad sensor |
| | | |
| 5 | E | BC remote control | Turn indicator/low beam selector |
| | | |
| 6 | | Not used | |
| | | |
| 7 | E | Tank content I | Electrical fuel pump (EKP I) |
| | | |
| 8 | E/A | CAN-bus high | CAN HIGH connector |
| | | |
| 9 | E/A | CAN-bus low | CAN LOW connector |
| | | |
| 10 | | Not used | |
| | | |
| 11 | E/A | CAN-bus (petrol engine only) | Integrated electronic control unit (IKE) |
| | | |
| 12 | A | Sensor ground I | Electrical fuel pump (EKP I) |
| | | |
| 13 | | Not used | |
| | | |
| 14 | E | Outside temperature | Temperature sensor |
| | | |
| 15 | | Not used | |
| | | |
| 16 | A | Sensor ground II | Fuel supply sensor II |
| | | |
| 17 | | Not used | |
| | | |
| 18 | A | Sensor ground | Remote thermometer sensor |
| | | |
| 19 | E | Coolant temperature | Remote thermometer sensor |
| | | |
| 20 | A | Sensor ground | Brake pad sensor |
| | | |
| 21 | | Not used | |
| | | |
| 22 | A | Sensor ground | Temperature sensor |
| | | |
| 23 | E | Tank content II | Fuel supply sensor II |
| | | |
| 24 | E/A | CAN-bus (petrol engine only) | Integrated electronic control unit (IKE) |
| | | |
| 25 | E | Reversing light signal | DME control unit DDE control unit Digital diesel electronics control unit Reversing light switch (M54) |
| | | |
| 26 | | Not used | |
| | | |