Automatic Headlamp Leveling Calibration

Automatic Headlamp Leveling Calibration Description and Operation

Calibration Criteria

Automatic headlamp leveling calibration must be performed after a ride height sensor or automatic headlamp leveling module has been serviced. The calibration procedure will set both of the ride height sensors "centered" value. This value is used by the leveling modules to determine the proper amount of headlamp adjustment required for vehicle conditions. The following criteria must be met before preforming the calibration procedure:

* The vehicle must be placed on a flat level surface.
* There must be no occupants in the vehicle.
* Any additional cargo weight in the rear compartment must be removed.
* All the doors must be closed.

Calibration Procedure

Install a scan tool. Turn ON the ignition, with the engine OFF. Select Calibrate Module and follow the directions displayed on the screen. Once the calibration procedure has been completed, verify the calibration by selecting the calibration procedure on the scan tool an additional time. If mechanical adjustments are required refer to Headlamp Aiming. Adjustments