DTC U0422:00 [AFS (ADAPTIVE FRONT LIGHTING SYSTEM)]

id0902g9935000

DESCRIPTION

Communication error with BCM

DETECTION CONDITION

•  AFS control module receives the invalid data from BCM when the ignition is ON.

POSSIBLE CAUSE

•  BCM DTC is stored

•  AFS control module malfunction

DESCRIPTION	Communication error with BCM
DETECTION CONDITION	• AFS control module receives the invalid data from BCM when the ignition is ON.
POSSIBLE CAUSE	• BCM DTC is stored • AFS control module malfunction

Diagnostic Procedure

STEP	INSPECTION		ACTION
1	CONFIRM BCM DTC • Perform the “DTC INSPECTION” to confirm the BCM DTC. (See DTC INSPECTION [BCM].) • Are any DTCs present?	Yes	Go to the applicable DTC inspection. (See DTC TABLE [BCM].)
1		No	Go to the next step.
2	VERIFY TROUBLESHOOTING COMPLETED • Clear the DTC from AFS control module using the M-MDS. (See CLEARING DTC [AFS (ADAPTIVE FRONT LIGHTING SYSTEM)].) • Switch the ignition to ON. • Perform the “DTC INSPECTION” to confirm the AFS DTC. (See DTC INSPECTION [AFS (ADAPTIVE FRONT LIGHTING SYSTEM)].) • Is the same DTC present?	Yes	Replace the AFS control module, then go to the next step. (See AFS (ADAPTIVE FRONT LIGHTING SYSTEM) CONTROL MODULE REMOVAL/INSTALLATION.)
2		No	Go to the next step.
3	VERIFY THAT NO OTHER DTCs ARE PRESENT • Are any DTCs present?	Yes	Go to the applicable DTC inspection. (See DTC TABLE [AFS (ADAPTIVE FRONT LIGHTING SYSTEM)].)
3		No	DTC troubleshooting completed.