| Pin | Type | Description / Signal type | Connection /
Measuring notes |
|---|
| 1 | A | Terminal 50 | Starter |
| | | |
| 2 | E | Terminal 50 | Ignition switch |
| | | |
| 3 | A | Start position, terminal 30h | Instrument cluster Integrated electronic control unit (IKE) |
| | | |
| 4 | A | Communication link (EWS) | Digital diesel electronics control unit |
| | | |
| 5 | E | Signal, ring coil ignition lock | Ring coil |
| | | |
| 6 | | Not used | |
| | | |
| 7 | | Not used | |
| | | |
| 8 | A | Signal Start lock (for USA only) | Clutch switch module |
| | | |
| 9 | E | Terminal 31 | Ground connection X1108 |
| | | |
| 10 | E | Voltage supply terminal 30 | Fuse F11 |
| | | |
| 11 | E | Terminal R | Fuse F39 |
| | | |
| 12 | E | Signal, ring coil ignition lock | Ring coil |
| | | |
| 13 | E/A | K-bus signal line | Connector, K-bus X10116 |
| | | |