| Number | X-pin, colour | Description |
|---|---|---|
| X351 | 3-pin, Natural | Plug connector Passenger's door contact switch |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | E | Door contact signal | Intercom control unit (WSA) |
| 2 | A | Ground Passenger's door contact switch | Ground point |
| 3 | Not used | ||