Standard Procedure - AHLM Calibration
WARNING: This page is about a different car, the 2014 Dodge Durango. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
The following procedure is necessary and should be performed ONLY after an Automatic Headlamp Leveling Module (AHLM) is replaced with a new (uncalibrated) unit.
- Before beginning, the vehicle should be empty with between 1/4 and 1/2 tank of fuel.
- Perform a mechanical Front Lamp Alignment of the headlamps. Refer to STANDARD PROCEDURE .
- Calibrate the AHLM. Follow the steps outlined in the diagnostic scan tool under the AHLM Electronic Control Unit (ECU), Miscellaneous Functions.