DTC U0423:68 [ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE]

id1502b6026800

Description

Error signal received from instrument cluster

•  Ignition switch error signal

•  Selector lever position (R position) (ATX)/Reverse (MTX) signal error

•  Selector lever position (R position) (ATX)/Reverse (MTX) signal not determined

Detection condition

•  Ignition switch error signal

―  The AFS control module received ignition switch error signal for 5 s or more with the ignition switched ON (engine off or on).

•  Selector lever position (R position) (ATX)/Reverse (MTX) signal error

―  The AFS control module received selector lever position (R position) (ATX)/Reverse (MTX) signal error for 5 s or more with the ignition switched ON (engine off or on).

•  Selector lever position (R position) (ATX)/Reverse (MTX) signal not determined

―  The AFS control module detected undetermined selector lever position (R position) (ATX)/Reverse (MTX) signal.

Fail-safe

•  Ignition switch error signal

―  Control of the AFS is continued with the ignition switched ON (engine on).

―  Control of the headlight auto leveling system is continued.

•  Selector lever position (R position) (ATX)/Reverse (MTX) signal error

―  The swivel actuator is moved to the center.

―  Control of the headlight auto leveling system is continued.

•  Selector lever position (R position) (ATX)/Reverse (MTX) signal not determined

―  Control of the swivel actuator is continued with the transaxle range sensor (ATX)/back-up light switch (MTX) fixed in the condition when the malfunction is determined.

―  Control of the headlight auto leveling system is continued.

Possible cause

•  DTCs are stored in the instrument cluster.

•  Instrument cluster malfunction

•  AFS control module malfunction

System wiring diagram

Not applicable

Description	Error signal received from instrument cluster • Ignition switch error signal • Selector lever position (R position) (ATX)/Reverse (MTX) signal error • Selector lever position (R position) (ATX)/Reverse (MTX) signal not determined
Detection condition	• Ignition switch error signal ― The AFS control module received ignition switch error signal for 5 s or more with the ignition switched ON (engine off or on). • Selector lever position (R position) (ATX)/Reverse (MTX) signal error ― The AFS control module received selector lever position (R position) (ATX)/Reverse (MTX) signal error for 5 s or more with the ignition switched ON (engine off or on). • Selector lever position (R position) (ATX)/Reverse (MTX) signal not determined ― The AFS control module detected undetermined selector lever position (R position) (ATX)/Reverse (MTX) signal.
Fail-safe	• Ignition switch error signal ― Control of the AFS is continued with the ignition switched ON (engine on). ― Control of the headlight auto leveling system is continued. • Selector lever position (R position) (ATX)/Reverse (MTX) signal error ― The swivel actuator is moved to the center. ― Control of the headlight auto leveling system is continued. • Selector lever position (R position) (ATX)/Reverse (MTX) signal not determined ― Control of the swivel actuator is continued with the transaxle range sensor (ATX)/back-up light switch (MTX) fixed in the condition when the malfunction is determined. ― Control of the headlight auto leveling system is continued.
Possible cause	• DTCs are stored in the instrument cluster. • Instrument cluster malfunction • AFS control module malfunction
System wiring diagram	Not applicable

Diagnostic Procedure

Step	Inspection		Action
1	VERIFY INSTRUMENT CLUSTER DTCs • Perform the DTC inspection for the instrument cluster using the M-MDS. (See DTC INSPECTION [INSTRUMENT CLUSTER].) • Is the DTC displayed?	Yes	Repair the malfunctioning part according to the applicable DTC troubleshooting. (See DTC TABLE [INSTRUMENT CLUSTER].)
1		No	Go to the next step.
2	PERFORM DTC INSPECTION AND VERIFY IF MALFUNCTIONING PART IS INSTRUMENT CLUSTER • 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 instrument cluster, then go to the next step. (See INSTRUMENT CLUSTER 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.