AHLS provides driver with the best visibility by adjusting vertical direction of the headlamp. It consists of ECM, Linkage and actuator. The height sensor measures the angular displacement of lever by measuring the magnetic field of stator parts formed by rotation of rotor .
AHLS ECM sets DTC C1260 if AHLS ECM detects no signal changes inside of axle(height) sensor while vehicle is driving over 30km/h for 5min.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Check time for no signal movement |
•
AHLS-ECM faulty |
Enable Conditions |
•
IG ON, Engine ON, Head Lamp ON, Vehicle Speed >30km/h | |
Threshold Value |
•
Time for no signal movement > 5min | |
Detecting time |
•
5 min. |
