| Pin | Type | Description / Signal type | Connection / Measuring notes
 | 
|---|
| 1 | E | LH rear engine speed signal | ABS/ASC control module | 
|  |  |  | 
| 2 |  | Not used |  | 
|  |  |  | 
| 3 |  | Not used |  | 
|  |  |  | 
| 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 |  | Not used |  | 
|  |  |  | 
| 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 | 
|  |  |  | 
| 19 | E | Engine coolant temperature | 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) | 
|  |  |  | 
| 26 |  | Not used |  | 
|  |  |  |