125002125 - E2012 MAIN BEAM HEADLAMPS - FUNCTIONAL DESCRIPTION (Xenon Gas headlamps)

Functional description

The main beam headlamps activation signal is sent to pin 33 of connector B of the Body ComputerM1from the steering column switch unitH5.The ''ignition ON'' signal (INT) for the switch H1 reaches the underdashboard control unitB2at pin 11 of connector H and from there moves on to the Body ComputerM1(pin 9 of connector F).The Body ComputerM1 controls the supply to the main beam headlamps by sending an earth signal to the engine compartment control unit B1B from pin 9 of connector A of M1 which energizes the relay T2: this supplies the dipped headlamps F10 (left) and F11 (right).The circuit is protected by fuse F2 of the junction unitB1A.The Body ComputerM1 is connected to the instrument panel E50 to manage the