| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|
| 1 | E | LH rear engine speed signal | ABS/ASC control module |
| | | |
| 2 | | Not used | |
| | | |
| 3 | E | TD signal (engine speed) | Engine control module (DME) |
| | | |
| 4 | E | Brake pad wear indicator | Brake pad sensor |
| | | |
| 5 | E | On-board computer remote control | Combination switch |
| | | |
| 6 | | Not used | |
| | | |
| 7 | E | Fuel tank contents I | Electrical fuel pump (EKP I) |
| | | |
| 8 | E/A | CAN-bus high | CAN link |
| | | |
| 9 | E/A | CAN-bus high | CAN link |
| | | |
| 10 | | Not used | |
| | | |
| 11 | E/A | CAN-bus (gasoline engine only) | Integrated instrument cluster control module (IKE) |
| | | |
| 12 | A | Sensor ground I | Electrical fuel pump (EKP I) |
| | | |
| 13 | | Not used | |
| | | |
| 14 | E | Outside temperature | Temperature sensor |
| | | |
| 15 | A/E | Data link | Data link connector |
| | | |
| 16 | A | Sensor ground II | Fuel level sensor II |
| | | |
| 17 | | Not used | |
| | | |
| 18 | A | Sensor ground | Engine coolant temperature sensor |
| | | |
| 19 | E | Engine coolant temperature | Engine coolant temperature sensor |
| | | |
| 20 | A | Sensor ground | Brake pad sensor |
| | | |
| 21 | | Not used | |
| | | |
| 22 | A | Sensor ground | Temperature sensor |
| | | |
| 23 | E | Fuel tank contents II | Fuel level sensor II |
| | | |
| 24 | E/A | CAN-bus (gasoline engine only) | Integrated instrument cluster control module (IKE) |
| | | |
| 25 | | Not used | |
| | | |
| 26 | | Not used | |
| | | |