| Pin | Type | Description / Signal type | Connection /
Measuring notes |
|---|
| 1 | E | Activation, tone 1 acoustic generator | Integrated electronic control unit (IKE) |
| | | |
| 2 | E | Activation, tone 2 acoustic generator | Integrated electronic control unit (IKE) |
| | | |
| 3 | E | Activation, tone 3 acoustic generator | Integrated electronic control unit (IKE) |
| | | |
| 4 | E | Parking aid speaker | Parking aid control unit |
| | | |
| 5 | E | Reverse signal | Light module Parking aid control unit |
| | | |
| 6 | E | Potentiometer for interval time | Integrated electronic control unit (IKE) |
| | | |
| 7 | E | Voltage supply terminal 30 | Fuse F26 |
| | | |
| 8 | M | Ground | Ground connector |
| | | |
| 9 | E | Gong activation | Integrated electronic control unit (IKE) |
| | | |