| Number | X-pin, colour | Description |
|---|---|---|
| X6154 | 3 -pin, Black | Plug connector Ignition coil 4 |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | E | Ignition signal cyl. 4 | DME control unit |
| 2 | M | Ignition coil ground | Ground connector, ignition coils |
| 3 | E | Idle actuator opening winding | Connector terminal 15 |