Component Inspection

Automatic Headlamp Leveling System

C1621 EXCESSIVE OPERATING TEMP. - Component Inspection

Component Inspection

Check ECU (AHLS)
1. Connect scantool with Diagnostic Connector.
2. Engine 'ON" and Turn On the auto head light system.
3. Erase the DTC with Scantool.
4. Is it possible to erase the DTC with Scantool?






CAUTION:
Perform Vehicle Selection and Level Initialization with scantool if AHLS ECM is replace. (Auto Levelling Sensor)