| Pin | Type | Description / Signal type | Connection /
Measuring notes |
|---|
| 1 | E/A | Data link TXD | Data link connector |
| | | |
| 2 | | Not used | |
| | | |
| 3 | A | Speed signal | Radio |
| | | |
| 4 | A | Chime module activation | Chime module |
| | | |
| 5 | | Not used | |
| | | |
| 6 | A | Activation, acoustic generator, tone 6 | Chime module |
| | | |
| 7 | A | K-bus signal line | K-bus splice |
| | | |
| 8 | E/A | I/K-bus signal link | Connector, I/K-bus |
| | | |
| 9 | M | Control module ground | Ground splice |
| | | |
| 10 | M | Control module ground | Ground splice |
| | | |
| 11 | A | Chime module tone 3 control | Chime module |
| | | |
| 12 | E | Terminal R | Fuse F43 |
| | | |
| 13 | E | Steptronic signal Gear indicator | Transmission control module (AGS) |
| | | |
| 14 | E | Ignition signal terminal 30h | Engine control module (DME) DDE control module |
| | | |
| 15 | E | Terminal 30 | Fuse F26 |
| | | |
| 16 | E | Terminal 15 | Fuse F18 |
| | | |
| 17 | A | Chime module tone 2 control | Chime module |
| | | |
| 18 | A | Chime module tone 1 control | Chime module |
| | | |
| Pin | Type | Description / Signal type | Connection /
Measuring notes |
|---|
| 1 | E | LH rear engine speed signal | ABS/ASC control module |
| | | |
| 2 | | Not used | |
| | | |
| 3 | E | Engine speed signal (TD) | Splice, engine speed (TD) signal |
| | | |
| 4 | E | Brake pad wear indicator | Left front 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 low | CAN link |
| | | |
| 10 | | Not used | |
| | | |
| 11 | E/A | CAN-bus | Integrated instrument cluster control module (IKE) |
| | | |
| 12 | A | Analog ground, IKE sensor | Electrical fuel pump (EKP I) |
| | | |
| 13 | E/A | Signal DDE control module | DDE control module |
| | | |
| 14 | E | Outside temperature | Temperature sensor |
| | | |
| 15 | E/A | Data link | Data link connector |
| | | |
| 16 | A | Analog ground, IKE sensor | Fuel level sensor II |
| | | |
| 17 | | Not used | |
| | | |
| 18 | A | Analog ground, IKE sensor | Dual temperature sensor Diesel Dual temperature sensor |
| | | |
| 19 | E | Engine coolant temperature | Dual temperature sensor Diesel Dual temperature sensor |
| | | |
| 20 | A | Analog ground, IKE sensor | Brake pad sensor |
| | | |
| 21 | | Not used | |
| | | |
| 22 | A | Analog ground, IKE sensor | Temperature sensor |
| | | |
| 23 | E | Fuel tank contents II | Fuel level sensor II |
| | | |
| 24 | E/A | CAN-bus | Integrated instrument cluster control module (IKE) |
| | | |
| 25 | E | Back-up light signal | Engine control module (DME) DDE control module |
| | | |
| 26 | | Not used | |
| | | |