Control Module J343/344.
Servicing Left High-intensity Gas Discharge Lamp Control Module/Right High-intensity Gas Discharge Lamp
Control Module J343/344 --> 94 - LIGHTS, SWITCHES - EXTERIOR .
At front axle, these signals are relayed from Left Front Level Control System Sensor G78 and Right Front Level
Control Sensor G289 to Left High-intensity Gas Discharge Lamp Control Module/Right High-intensity Gas
Discharge Lamp Control Module J343/344.
These signals are needed to determine vehicle level.
The headlight vertical aim control reacts automatically to changes in vehicle level.
The vehicle level can change in the following situations:
Operating with something in tow
Various loading conditions; vehicle empty, vehicle partially or completely loaded
Adapting control position and testing basic setting of headlights is always required when
Trapezoidal control arm has been removed and reinstalled or replaced,
Installation work has been performed on level control system sensor,
Level control system sensor has been replaced,
Threaded connection for coupling rod of level control system sensor was loosened at trapezoidal control
arm.
Adapt control position again --> Control position, adapting again.
Basic setting of headlights --> 94 - LIGHTS, SWITCHES - EXTERIOR .
Replacing level control system sensor with subframe installed.
Remove wheel.
CAUTION: Setting of headlights and of level control system!
2008 Audi A6 Quattro
SUSPENSION Suspension, Wheels, Steering
FIXYOURCAR
1:42:00 AM
Page 13