Headlamp Igniter Module: Service and Repair

Removing And Installing Ignition Unit For Gas Discharge Lamp

WARNING: Warning signs (yellow triangle with black high-voltage arrow) indicate high voltage (risk of fatal injury).
- The light must always be switched off when removing and installing these components (control module, ignition unit, gas discharge lamp, servo motor). Once removed, a headlight is not under high voltage.
- The gas discharge lamp (D2S lamp) may only be operated when installed in the reflector and with the headlight installed.

Removal
1. Switch off the light. Release the headlight housing and pull out forwards slightly.
2. Disconnect the electrical plug connection of the automatic headlight beam adjustment and remove the headlight housing.
3. Release and open the cover with control module. Unscrew the electrical plug connection on the gas discharge lamp (bayonet lock).
4. Undo the two fastening screws on the ignition unit and remove the ignition unit. Pull off electrical plug connection.







Installation
1. Engage the electrical plug connection and fasten the ignition unit to the headlight housing. The high-voltage wire from the control module must be routed between the headlight housing and the ignition unit.
2. Lock the cover with control module and insert the headlight housing in the wing.
3. Engage the electrical plug connection of the automatic headlight beam adjustment and lock the headlight housing in the wing.
4. Carry out function check of the headlights.