If the AHLS(Auto Headlamp Leveling System) ECU detects wiring open or short, the AHLS ECU sets DTC C2226.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Check Voltage | 1. Foor Connection 2. Damaged Wiring 3. Shor or Open wiring 4. AHLS ECU 5. Headlamp Leveling Actuator |
Enable Conditions |
•
IG KEY ON. | |
Threshold Value |
•
Output Voltage is under IG*0.02 or over IG*0.98. ex) IG On Vol. 12.6 V : 12.6*0.02 = 0.25 V / 12.6*0.98 = 12.35 V | |
Detecting Time |
•
2 ± 0.4 Sec. |