| Number | X-pin, colour | Description |
|---|---|---|
| X334 | 4 -pin, Black | Plug connector ADV motor |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | E | Signal, contact pressure control (ADV) operated | General module |
| 2 | E | Increase contact pressure signal | General module |
| 3 | M | Ground | Ground point |
| 4 | E | Reduce contact pressure signal | General module |