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Home >> Mazda >> 2019 >> MX-5 Miata Sport, Automatic Trans >> Repair and Diagnosis >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> On-Board Diagnostic - Adaptive Front Lighting System (AFS) Control Module >> DTC B10A4-86: Communication Error With Swivel Actuator (RH) [Adaptive Front Lighting System (AFS) Control Module] >> Diagnostic Procedure
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Diagnostic Procedure

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

STEP Inspection ACTION
1 VERIFY IF MALFUNCTIONING LOCATION IS SWIVEL ACTUATOR (RH) DEPENDING ON REPEATABILITY
Yes Replace the front combination light (RH), then go to the next step.
(See FRONT COMBINATION LIGHT REMOVAL/INSTALLATION .)
No Go to Step 3.
2 VERIFY THAT REPAIRS HAVE BEEN COMPLETED
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 .)
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] .)
No DTC troubleshooting completed.