| Number | X-pin, colour | Description |
|---|---|---|
| X2086 | 4 -pin, Black | Plug connector Fuel heater |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | E | Terminal 30 | Fuse carrier, engine electronics |
| 2 | E | Terminal 15 | Connector terminal 15 |
| 3 | Not used | ||
| 4 | M | Terminal 31 | Ground connector |