Headlamp Alignment Actuator: Service and Repair

Inspection with GDS

Initialization and diagnosis sequence by using GDS equipment.
Below content summarize the procedure for A/S using GDS.






NOTE:
1. There's no loads in vehicle and vehicle should be on flat plane.
2. Should check of HLLD output value after initial setting.
3. Should do first electrical initial setting by diagnostic tool and then mechanical aiming afterward.

1. Select the vehicle model and "Head lamp leveling".




2. GDS can operates actuator forcefully, input/output value monitoring and self diagnosis.




3. To perform functional test on AHLS outputs, select "Actuation Test".




4. Select " Parameter setting & Zero position Initial".








5. Confirm that AHLS operate forcefully in "Head lamp leveling" menu.












6. To check the DTC of the head lamp leveling system, select "Diagnostic trouble codes"

Replacement

1. Disconnect the negative (-) battery terminal.
2. Remove the head lamp assembly.
(Refer to the head lamp)
3. Remove the head lamp leveling actuator (A) by loosening the adjusting bolt (B) after rotating it to an arrow direction.




4. Installation is the reverse of removal procedure.