| Pin | Type | Description / Signal type | Connection /
Measuring notes |
|---|
| 1 | A | Activation - left-hand adjustment | Left headlight |
| | | |
| 2 | A | Motor ground - left-hand adjustment | Left headlight |
| | | |
| 3 | A | Activation - left-hand adjustment | Left headlight |
| | | |
| 4 | A | Motor ground - left-hand adjustment | Left headlight |
| | | |
| 5 | A | Supply, load/level sensor | Front load/level sensor |
| | | |
| 6 | | Not used | |
| | | |
| 7 | A | Supply, load/level sensor | Rear load/level sensor |
| | | |
| 8 | A | Motor ground - left-hand adjustment | Right headlight |
| | | |
| 9 | A | Activation - left-hand adjustment | Right headlight |
| | | |
| 10 | A | Activation - right-hand adjustment | Right headlight |
| | | |
| 11 | A | Motor ground - right-hand adjustment | Right headlight |
| | | |
| 12 | | Not used | |
| | | |
| 13 | E | Control unit supply | Light module |
| | | |
| 14 | E | K-bus signal line | K-bus connector |
| | | |
| 15 | | Not used | |
| | | |
| 16 | E | Nominal value pick-up, load/level sensor | Front load/level sensor |
| | | |
| 17 | | Not used | |
| | | |
| 18 | A | Sensor ground | Front load/level sensor |
| | | |
| 19 | | Not used | |
| | | |
| 20 | E | Nominal value pick-up, load/level sensor | Rear load/level sensor |
| | | |
| 21 | | Not used | |
| | | |
| 22 | A | Sensor ground | Rear load/level sensor |
| | | |
| 23 | | Not used | |
| | | |
| 24 | E | Front right speed sensor | ABS/ASC control unit |
| | | |
| 25 | | Not used | |
| | | |
| 26 | M | Control unit ground | Ground connector |
| | | |