DTC Description

If the AHLS(Auto Headlamp Leveling System) ECU detects wiring open or short, the AHLS ECU sets DTC C2226.

DTC Detecting Condition

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.

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