| Number | X-pin, colour | Description |
|---|---|---|
| X518 | 4-pin, black | Plug connector Gong with IKE |
| X522 | 3-pin, white | Plug connector Gong |
| X1426 | 1-pin, white Japan | Plug connector Gong |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | Not used | ||
| 2 | E | Activation, tone 1 acoustic generator | Integrated electronic control unit (IKE) |
| 3 | E | Activation, tone 2 acoustic generator | Integrated electronic control unit (IKE) |
| 4 | Not used | ||
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | M | Ground | Ground connector |
| 2 | E | Activation, tone 3 acoustic generator | Integrated electronic control unit (IKE) Instrument cluster |
| 3 | E | Signal, switch off consumer load | General module |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | E | Acoustic signal | Without PDC Light module With PDC Parking aid control unit |