If the AHLS(Auto Headlamp Leveling System) ECU detects Head Lamp signal circuit is open, the AHLS ECU sets DTC C1522.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Check voltage | 1. Foor Connection 2. Damaged Wiring 3. AHLS ECU 4. SJB 5. Multifunction Switch |
Enable Conditions |
•
IG KEY ON. | |
Threshold Value |
•
Headlamp Switch signal is from 4.2 V to 8 V. | |
Detecting Time |
•
2 ± 0.4 Sec. |
