| Pin | Type | Description / Signal type | Connection /
Measuring notes |
|---|
| 1 | E | Supply, terminal 30 | Fuse F55 |
| | | |
| 2 | | Not used | |
| | | |
| 3 | A | Signal, light emitting diode | Switch unit, seat heating and head restraint adjustment, rear left |
| | | |
| 4 | A | Signal, light emitting diode | Switch unit, seat heating and head restraint adjustment, rear right |
| | | |
| 5 | A | Signal, light emitting diode | Switch unit, seat heating and head restraint adjustment, rear right |
| | | |
| 6 | A | Signal, light emitting diode | Switch unit, seat heating and head restraint adjustment, rear right |
| | | |
| 7 | A | Signal, seat heating | Switch unit, seat heating and head restraint adjustment, rear left |
| | | |
| 8 | A | Signal, seat heating | Switch unit, seat heating and head restraint adjustment, rear right |
| | | |
| 9 | E | Signal, terminal 58G | Light module |
| | | |
| 10 | A | Signal, light emitting diode | Switch unit, seat heating and head restraint adjustment, rear left |
| | | |
| 11 | E | Supply, terminal 15 | Car access control unit |
| | | |
| 12 | M | Ground | Ground point |
| | | |
| 13 | A | Signal, light emitting diode | Switch unit, seat heating and head restraint adjustment, rear left |
| | | |