Headlamp Alignment Actuator: Service and Repair

Removing and installing drive motor for automatic headlight beam adjustment

WARNING
Warning signs (yellow triangle with black high-voltage arrow) indicate high voltage (risk of fatal injury).


> The light should always be switched off when the components (control module, ignition unit, gas discharge lamp, drive motor) are removed and installed. A removed headlight does not have a high voltage.
> The gas discharge lamp (D2S lamp) should only be operated when installed in the reflector and in the installed headlight.

Removal
1. Switch off light.
Disengage headlight housing and pull forwards a little.
2. Disconnect the electrical plug connection of the automatic headlight beam adjustment (ALWR) take out headlight housing.







3. Release cover with control module and open. Disconnect the electrical plug connection from the drive motor and undo the fastening screws (2 screws).
4. Remove ignition unit (2 fastening screws).







5. Press down unlocking lever with a screwdriver and pull drive motor out towards the rear.


Installation
1. Install new drive motor (2 fastening screws).
2. Pull reflector backwards with force, so that the ball socket engages into the ball head of the adjusting lever. Engage the electrical plug connection on the drive motor.
3. Install ignition unit (2 fastening screws).
4. Lock cover with control module and insert headlight housing into the wing.
5. Engage the electrical plug connection of the automatic headlight beam adjustment and lock the headlight housing into the wing.
6. Carry out a function check of the headlights.