| Number | X-pin, colour | Description |
|---|---|---|
| X1349 | 3 -pin, Natural | Plug connector Rear passenger compartment ventilation switch |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | E | Switch-off signal | Heating and A/C control module |
| 2 | Not used | ||
| 3 | A | Component ground | Heating and A/C control module |