| Pin | Type | Description / Signal type | Connection /
Measuring notes |
|---|
| 1 | A | Seat heating positive signal | Driver's seat heating |
| | | |
| 2 | E | Voltage supply, terminal 15 | Fuse F32 |
| | | |
| 3 | E | Signal, terminal 58g | Terminal 58g splice |
| | | |
| 4 | E | Signal Tyre pressure control system (RDC) | RDC control module |
| | | |
| 5 | M | Signal HDC switch | A65 ABS/DSC control module |
| | | |
| 6 | A | Signal HDC switch | A65 ABS/DSC control module |
| | | |
| 7 | E | Terminal 30 voltage supply | Fuse F53 |
| | | |
| 8 | E | Indicator lamp PDC switch | PDC switch |
| | | |
| 9 | A | PDC switch switching signal | PDC switch |
| | | |
| 10 | | Not used | |
| | | |
| 11 | | Not used | |
| | | |
| 12 | A | Seat heating signal | Driver's seat heating |
| | | |
| 13 | A | Seat heating positive signal | Passenger's seat heating |
| | | |
| 14 | | Not used | |
| | | |
| 15 | A | Push button, inside of rear lid | A1 General module |
| | | |
| 16 | A | Signal, DSC passive button | ABS/DSC control module |
| | | |
| 17 | | Not used | |
| | | |
| 18 | A | Signal, RDC initialisation button | A85 RDC control module |
| | | |
| 19 | M | Ground | Ground point |
| | | |
| 20 | | Not used | |
| | | |
| 21 | E/A | K-bus signal line | K-bus splice |
| | | |
| 22 | A | Seat heating signal | Passenger's seat heating |
| | | |
| 23 | E | Voltage supply terminal R | Fuse F37 |
| | | |