| Number | X-pin, color | Description |
|---|---|---|
| X6154 | 3 -pin, Black | Connector Cyl. 4 ignition coil |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | E | Cyl. 4 ignition signal | Engine control module (DME) |
| 2 | M | Ignition coil ground | Ground, ignition coils |
| 3 | E | Idle speed control - opening winding | Terminal 15 splice |