General Information

Head Lamp

Automatic Headlamp Leveling System - C2226 Output Voltage Short to Battery or Short to Ground General Information

Component Location





General Description

AHLS provides driver with the best visibility by adjusting vertical direction of the headlamp. It consists of ECM, Linkage and actuator. ECM outputs the signal based on the driving and loading condition and delivers it to actuator, and then the actuator changes vertical direction of the headlamp.

DTC Description

The system monitors control voltage, and sets DTC C2226 if a deviation of more than the fault threshold is detected for 2 seconds.

DTC Detecting Condition





Diagnostic Circuit Diagram