| Number | X-pin, colour | Description |
|---|---|---|
| X6256 | 4-pin, black | Plug connector Dual temperature sensor |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | E/A | Remote thermometer signal (negative) | Integrated electronic control unit (IKE) |
| 2 | E/A | Remote thermometer signal (positive) | Integrated electronic control unit (IKE) |
| 3 | A | Coolant temperature | DME control unit |
| 4 | M | Component ground | DME control unit |