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Home >> Mazda >> 2017 >> 6 Touring, Automatic Trans >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Headlights >> On-Board Diagnostic - Adaptive Front Lighting System Control Module >> DTC B10A3:86 [Adaptive Front Lighting System (AFS) Control Module] >> Notes
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DTC B10A3:86 [Adaptive Front Lighting System (AFS) Control Module]: Notes

DTC B10A3:86 (ADAPTIVE FRONT LIGHTING SYSTEM CONTROL MODULE) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location Communication error with swivel actuator (LH)
Detection condition
  • The AFS control module received error signals from the swivel actuator (LH) three times continuously with the ignition switched ON (engine off or on).
  • The AFS control module could not receive the signal from the swivel actuator (LH) for 5 s or more with the ignition switched ON (engine off or on).
Fail-safe
  • The swivel actuator (LH) is stopped at the position when the malfunction is determined.
  • The swivel actuator (RH) is moved to the center.
  • Control of the headlight auto leveling system is continued with the headlight leveling actuator positioned -0.6° from where the malfunction is determined.
Possible cause
  • Front combination light (LH) poor connection
  • Swivel actuator (LH) malfunction
  • AFS control module malfunction
System wiring diagram -