Control module, headlamp/AHL

Fig 1: Identifying Control Module - Headlamp/AHL

Courtesy of SAAB-SCANIA OF AMERICA, INC.

There is a control module located inside the headlamp housing that governs the supply of current/voltage to the xenon lamps. The control module also governs the stepping motors for the automatic headlamp levelling. The control module receives information on the angle of the car from the load angle sensors and regulates the angle of the headlamps based on that information.