| Number | X-pin, color | Description |
|---|---|---|
| X1828 | 3-pin, Black | Connector Rear compartment, left ventilation flap motor |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | E | Voltage control | Rear compartment heater/air conditioner |
| 2 | M | Actuator motors ground | Rear compartment heater/air conditioner |
| 3 | E/A | MI-bus | Rear compartment heater/air conditioner |