| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|
| 1 | A/E | K-bus signal | K-bus connector |
| | | |
| 2 | | Not used | |
| | | |
| 3 | E | Brake light test signal | Brake light switch |
| | | |
| 4 | E | Processed wheel speed, rear left | ABS/ASC unit ABS/DSC unit |
| | | |
| 5 | | Not used | |
| | | |
| 6 | E | Processed wheel speed, rear right | ABS/ASC unit ABS/DSC unit |
| | | |
| 7 | | Not used | |
| | | |
| 8 | | Not used | |
| | | |
| 9 | M | Ground | Ground point |
| | | |
| 10 | E | Terminal 15 | Fuse F31 |
| | | |
| 11 | | Not used | |
| | | |
| 12 | E | Processed wheel speed, front right | ABS/ASC unit ABS/DSC unit |
| | | |
| 13 | | Not used | |
| | | |
| 14 | E | Signal, RDC initialisation button | Switching center |
| | | |
| 15 | | Not used | |
| | | |
| 16 | E | Processed wheel speed, front left | ABS/ASC unit ABS/DSC unit |
| | | |
| 17 | | Not used | |
| | | |
| 18 | | Not used | |
| | | |