Diagnostic Procedure

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

STEP	Inspection		ACTION
1	VERIFY ELECTRIC POWER STEERING (EPS) CONTROL MODULE DTCs Retrieve the electric power steering (EPS) control module DTCs using the M-MDS. (See DTC INSPECTION [EPS CONTROL MODULE] .) Is the DTC displayed?	Yes	Repair the malfunctioning part according to the applicable DTC troubleshooting. (See DTC TABLE [EPS CONTROL MODULE] .)
1		No	Go to the next step.
2	VERIFY IF MALFUNCTIONING LOCATION IS ELECTRIC POWER STEERING (EPS) CONTROL MODULE DEPENDING ON REPEATABILITY Clear the adaptive front lighting system (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. Retrieve the adaptive front lighting system (AFS) control module DTCs using the M-MDS. (See DTC INSPECTION [ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE] .) Is the same Pending DTC present?	Yes	Replace the electric power steering (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 adaptive front lighting system (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. Retrieve the adaptive front lighting system (AFS) control module DTCs using the M-MDS. (See DTC INSPECTION [ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE] .) Is the same Pending DTC present?	Yes	Replace the adaptive front lighting system (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.