| Number | X-pin, colour | Description |
|---|---|---|
| X1714 | 3-pin, Natural | Plug connector Leakage diagnosis pump |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | E | Voltage supply terminal 30 | Fuse F31 |
| 2 | A | Signal, leak diagnosis pump | DME control unit |
| 3 | A | Signal, leak diagnosis pump | DME control unit |