| Pin | Type | Description / Signal type | Connection /
Measuring notes |
|---|
| 1 | E | Terminal 30 | Fuse F58 |
| | | |
| 2 | A | Voltage supply, adaptive headlight adjustment | Xenon headlight, left |
| | | |
| 3 | A | Voltage supply, adaptive headlight adjustment | Xenon headlight, right |
| | | |
| 4 | M | Ground | Ground connector |
| | | |
| 5 | E | Signal ground, front load sensor | Load sensor, headlight vertical aim control |
| | | |
| 6 | E | Signal ground, rear load sensor | Load sensor, headlight vertical aim control |
| | | |
| 7 | E | Terminal 15 | Fuse F32 |
| | | |
| 8 | E | Signal, rear load sensor | Load sensor, headlight vertical aim control |
| | | |
| 9 | E | Signal, front load sensor | Load sensor, headlight vertical aim control |
| | | |
| 10 | E | Signal Brake light | Connector Brake light switch |
| | | |
| 11 | E | from 2004_03 Signal, reversing light | Connector, reverse switch |
| | | |
| 12 | E/A | K-bus signal | K-bus connector |
| | | |
| 13 | E/A | Signal CAN bus high | Connector, CAN bus |
| | | |
| 14 | E/A | Signal CAN bus low | Connector, CAN bus |
| | | |
| 15 | A | Signal, +5 V front load sensor | Load sensor, headlight vertical aim control |
| | | |
| 16 | A | Signal, +5 V rear load sensor | Load sensor, headlight vertical aim control |
| | | |
| 17 | A | LIN signal, adaptive headlight adjustment | Xenon headlight, left |
| | | |
| 18 | A | LIN signal, adaptive headlight adjustment | Xenon headlight, right |
| | | |