| Number | X-pin, colour | Description |
|---|---|---|
| X1714 | 3-pin, Natural | Plug connector Leakage diagnosis pump |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | E | Signal, leak diagnosis pump | Engine control module I (DME) |
| 2 | M | Ground | Engine control module I (DME) |
| 3 | E | Voltage supply terminal 30 | Fuse F17 |