| Number | X-pin, colour | Description |
|---|---|---|
| X122 | 2 -pin, Black | Plug connector Auxiliary water pump |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | E | Voltage supply terminal 30 | Fuse F7 |
| 2 | A | Auxiliary water pump activation | Heating and A/C control module |