| Pin | Type | Description / Signal type | Connection /
Measuring notes |
|---|
| 1 | A | Positive signal, seat heating | Driver's seat heating |
| | | |
| 2 | E | Voltage supply, terminal 15 | Fuse F32 |
| | | |
| 3 | E | Signal, terminal 58g | Connector, terminal 58g |
| | | |
| 4 | | Not used | |
| | | |
| 5 | M | HDC indicator lamp | A65 ABS/DSC control unit |
| | | |
| 6 | A | Signal, HDC switch | A65 ABS/DSC control unit |
| | | |
| 7 | E | Voltage supply terminal 30 | Fuse F53 |
| | | |
| 8 | E | Indicator lamp PDC switch | PDC switch |
| | | |
| 9 | A | Switching signal for PDC switch | PDC switch |
| | | |
| 10 | | Not used | |
| | | |
| 11 | | Not used | |
| | | |
| 12 | A | Temperature signal, seat heating | Driver's seat heating |
| | | |
| 13 | A | Positive signal, seat heating | Passenger's seat heating |
| | | |
| 14 | A | Initialisation, tyre failure indicator | A65 ABS/DSC control unit |
| | | |
| 15 | A | Push button, inside of rear lid | A1 General module |
| | | |
| 16 | A | Signal, DSC passive button | ABS/DSC control unit |
| | | |
| 17 | | Not used | |
| | | |
| 18 | M | Ground | Ground point |
| | | |
| 19 | M | Ground | Ground point |
| | | |
| 20 | | Not used | |
| | | |
| 21 | E/A | K-bus signal line | K-bus connector |
| | | |
| 22 | A | Temperature signal, seat heating | Passenger's seat heating |
| | | |
| 23 | E | Voltage supply terminal R | Fuse F37 |
| | | |