General Information

Auto Headlamp Leveling
C1620 First Setup Not Completed - General Information

Component Location





General Description

AHLS provides driver with the best visibility by adjusting vertical direction of the headlamp.To ensure an optimum operation of the system, The AHLS(Auto Head Lamp Levelling System) has to be adjusted at end-of line procedure.The mechanical basic setting of the headlamps is to be performed with ignition being switched ON. It is important to adjust the system electronically and mechanically at the same place. Only by this way it is quaranteed that the car is in the same suspension condition.

DTC Description

The AHLS ECU sets DTC C1620 if the headlamp leveling system has not been adjusted since installation.

DTC Detecting Condition





Diagnostic Circuit Diagram