Diagnostic Procedure

WARNING: This page is about a different car, the 2018 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

DTC B10A4:86 ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE DIAGNOSTIC PROCEDURE

Step	Inspection		Action
1	PERFORM DTC INSPECTION AND VERIFY IF MALFUNCTIONING PART IS SWIVEL ACTUATOR (RH) 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 front combination light (RH), then go to the next step. (See FRONT COMBINATION LIGHT REMOVAL/INSTALLATION .)
1		No	Go to Step 3.
2	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	Repeat the inspection from Step 1. If the malfunction recurs, replace the AFS control module, then go to the next step. (See ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE REMOVAL/INSTALLATION .)
2		No	Go to the next step.
3	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) .)
3		No	DTC troubleshooting completed.