Diagnostic Procedure

DTC U0420:68 ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE DIAGNOSTIC PROCEDURE

Step	Inspection		Action
1	VERIFY EPS CONTROL MODULE DTCs Perform the DTC inspection for the EPS control module using the M-MDS. (See DTC INSPECTION [ELECTRIC POWER STEERING (EPS)] .) Is the DTC displayed?	Yes	Repair the malfunctioning part according to the applicable DTC troubleshooting. (See DTC TABLE [ELECTRIC POWER STEERING (EPS)] .)
1		No	Go to the next step.
2	PERFORM DTC INSPECTION AND VERIFY IF MALFUNCTIONING PART IS EPS CONTROL MODULE Clear the AFS control module DTCs using the M-MDS. (See CLEARING DTC (ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE) .) Switch the ignition ON (engine off or on) and wait for 5 s or more. Perform the DTC inspection for the AFS control module using the M-MDS. (See DTC INSPECTION (ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE) .) Is the same Pending DTC present?	Yes	Replace the EPS control module, then go to the next step. (See STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION .)
2		No	Go to Step 4.
3	VERIFY THAT REPAIRS HAVE BEEN COMPLETED Clear the AFS control module DTCs using the M-MDS. (See CLEARING DTC (ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE) .) Switch the ignition ON (engine off or on) and wait for 5 s or more. Perform the DTC inspection for the AFS control module using the M-MDS. (See DTC INSPECTION (ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE) .) Is the same Pending DTC present?	Yes	Replace the AFS control module, then go to the next step. (See ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE REMOVAL/INSTALLATION .)
3		No	Go to the next step.
4	VERIFY IF OTHER DTCs DISPLAYED Are any other DTCs displayed?	Yes	Repair the malfunctioning part according to the applicable DTC troubleshooting. (See DTC TABLE (ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE) .)
4		No	DTC troubleshooting completed.