DTC B10A4-86: Error Signal Received From Swivel Actuator (RH) (Adaptive Front Lighting System (AFS) Control Module): Outline

WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.

DTC B10A4:86 (ADAPTIVE FRONT LIGHTING SYSTEM CONTROL MODULE) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Error signal received from swivel actuator (RH)
Detection condition	The adaptive front lighting system (AFS) control module received error signal from the swivel actuator (RH).
Fail-safe	The swivel actuator (RH) is moved to the center or stopped at the position when the malfunction is determined. The swivel actuator (LH) is moved to the center. Control of the headlight auto leveling system is continued with the headlight leveling actuator positioned -0.65° from where the malfunction is determined.
Possible cause	Swivel actuator (RH) malfunction Adaptive front lighting system (AFS) control module malfunction
System wiring diagram	Not applicable
Connector diagram	Not applicable