| Number | X-pin, color | Description |
|---|---|---|
| X661 | 3-pin, black | Connector Ventilation flap actuator |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | E | Voltage control | Heating and A/C control module |
| 2 | M | Actuator motors ground | Heating and A/C control module |
| 3 | E/A | MI-bus | Heating and A/C control module |