| Number | X-pin, color | Description |
|---|---|---|
| X6257 | 4-pin, Black | Connector Knock sensor |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | A | Sensor 1 signal | Engine control module (DME) |
| 2 | M | Shield, knock sensor | Engine control module (DME) |
| 3 | A | Sensor 2 signal | Engine control module (DME) |
| 4 | M | Shield, knock sensor | Engine control module (DME) |