DTC U0422:00 [AFS (ADAPTIVE FRONT LIGHTING SYSTEM)]
id0902g9935000
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DESCRIPTION |
Error signal from BCM |
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DETECTION CONDITION
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• AFS control module receives the invalid data from BCM when the ignition is ON.
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POSSIBLE CAUSE
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• BCM DTC is stored.
• BCM malfunction
• AFS control module malfunction
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Diagnostic Procedure
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STEP |
INSPECTION |
ACTION |
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1
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CONFIRM BCM DTC
• Perform the BCM DTC inspection using the M-MDS.
(See DTC INSPECTION [BCM].)
• Are any DTCs present?
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Yes
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Go to the applicable DTC inspection.
(See DTC TABLE [BCM].)
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No
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Go to the next step.
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2
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PERFORM DTC INSPECTION AND VERIFY THAT MALFUNCTIONING PART IS BCM
• Clear the DTC from the AFS control module using the M-MDS.
• Perform the AFS control module DTC inspection using the M-MDS.
• Is the same DTC present?
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Yes
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Replace the BCM, then go to the next step.
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No
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Go to Step 4.
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3
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VERIFY TROUBLESHOOTING COMPLETED
• Clear the DTC from the AFS control module using the M-MDS.
• Perform the AFS control module DTC inspection using the M-MDS.
• Is the same DTC present?
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Yes
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Replace the AFS control module, then go to the next step.
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No
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Go to the next step.
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4
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VERIFY THAT NO OTHER DTCs ARE PRESENT
• Are any DTCs present?
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Yes
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Go to the applicable DTC inspection.
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No
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DTC troubleshooting completed.
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