If the AHLS(Auto Headlamp Leveling System) ECU detects that zero set is not performed, the AHLS ECU sets DTC C1620.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
System Initialization | 1. Foor Connection 2. Damaged Wiring 3. AHLS ECU |
Enable Conditions |
•
IG KEY ON. | |
Threshold Value |
•
Status flag not set. | |
Detecting Time |
•
Immediately |
