| Number | X-pin, colour | Description |
|---|---|---|
| X18020 | 3-pin, Black | Plug connector Rear left converter |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | A | Positive activation, rear left converter | Parking aid control unit |
| 2 | A | Signal line, rear left converter | Parking aid control unit |
| 3 | M | Ground, rear left converter | Parking aid control unit |