S4 Quattro Sedan V6-2.7L Turbo (APB) (2000)
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Headlight Leveling Control Module: Locations
Headlight Automatic Vertical Aim Control, Overview
CAUTION! Disconnect the battery Ground (GND) strap before working on the electrical system
NOTE:
Before disconnecting the battery, determine the correct coding for the anti-theft radio.
After reconnecting the battery, check and activate the vehicle's electrical equipment (radio, clock, comfort and convenience features, etc.).
1. Xenon headlights with headlight beam adjusting motors -V48-/-V49-
Removing and installing Xenon headlights, refer to High Intensity Gas Discharge (Xenon) Headlights, Overview
Removing and installing headlight beam adjusting motor for automatic headlight aim control, refer to Headlight Beam Adjusting Motor
(Xenon), Replacing See: Lighting and Horns/Headlamp/Headlamp Alignment Actuator/Service and Repair
2. Left front level control system sensor -G78-
On front axle, left lower track control link
Removing and installing refer to Headlamp Alignment Sensor - Service and Repair - Procedure See: Lighting and Horns/Headlamp/Headlight
Level Sensor/Service and Repair
