Headlamp Alignment Sensor: Description and Operation

Components:

3. Angle sensor for HBA, rear
The sensor is fastened on the left side of the rear axle and is connected to the lower axle strut by a linkage.
A sensor measures the compression travel and forwards this value as a sensor voltage to the control module.

4. Angle sensor for HBA, front
The sensor is fastened on the left side of the front axle and is connected to the axle strut by a linkage. A sensor measures the compression travel and forwards this value as a sensor voltage to the control module.