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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