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Headlamp Control Module: Service and Repair




Removing and installing control module for gas discharge lamp

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 control module and undo the fastening screws (3 screws).
4. Remove the control module from the lid.

Installation
1. Fasten new control module to the cover and engage electrical plug connection.
2. Lock cover with control module and insert headlight housing into the wing.
3. Engage the electrical plug connection of the automatic headlight beam adjustment and lock the headlight housing into the wing.
4. Carry out a function check of the headlights.