ADAPTIVE FRONT LIGHTING SYSTEM (AFS) OPERATES EVEN THOUGH THE AFS OFF SWITCH IS TURNED ON [ADAPTIVE FRONT LIGHTING SYSTEM (AFS)]


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Note
•  If there is any vehicle malfunction complaint lodged by a customer, perform FOREWORD [ADAPTIVE FRONT LIGHTING SYSTEM (AFS)] malfunction diagnosis according to the troubleshooting procedure.

Possible malfunction

•  AFS OFF switch malfunction (stuck off)
•  AFS OFF control module malfunction

Diagnostic Procedure

Step

Inspection

Action

1
VERIFY AFS OFF INDICATOR LIGHT ILLUMINATION
•  Display the following instrument cluster WL+IL simulation items using the M-MDS.
•  Does the AFS OFF indicator light illumination turn off when the warning light, indicator light illumination is operated to off?
Yes
Go to the next step.
No
Perform inspection referring to the AFS OFF INDICATOR LIGHT ILLUMINATES CONTINUOUSLY On item.
2
DETERMINE IF MALFUNCTION LOCATION IS AFS OFF SWITCH
•  Display the following AFS control module AFS_ST PIDs using the M-MDS.
•  Inspect the PID display when the AFS OFF switch is turned on/off.
•  Does the PID display switch normally in conjunction with the AFS OFF switch being turned on/off?
Yes
Replace the AFS control module.
No
Go to the next step.
3
PERFORM AFS OFF SWITCH INSPECTION
•  Inspect the AFS OFF switch.
•  Is the AFS OFF switch normal?
Yes
The system is operating normally.
No
Replace the AFS OFF switch.