| Number | X-pin, colour | Description |
|---|---|---|
| X1829 | 3-pin, Black | Plug connector Rear compartment, right ventilation flap motor |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | E | Positive activation | Rear compartment heater/air conditioner |
| 2 | M | Ground, actuator motors | Rear compartment heater/air conditioner |
| 3 | E/A | MI-bus | Rear compartment heater/air conditioner |