| Number | X-pin, colour | Description |
|---|---|---|
| X1823 | 2-pin, Black | Plug connector Evaporator sensor, rear compartment air conditioning |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | A | Sensor signal | Rear compartment heater/air conditioner |
| 2 | M | Sensor ground | Sensor connector |