DTC B10A3-87: Communication Error With Swivel Actuator (LH) [Adaptive Front Lighting System (AFS) Control Module]

B10A3: 87 (ALH/AFS/ALV) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Communication error with swivel actuator (LH)
Detection condition	The adaptive front lighting system (AFS) control module cannot receive the signal from the swivel actuator (LH).
Fail-safe	The swivel actuator (LH) is moved to the center or 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-0.65° from where the malfunction is determined.
Possible cause	Malfunction in wiring harness (including connector/terminal) between front combination light (LH) and adaptive front lighting system (AFS) control module (see CIRCUIT INSPECTION .) (see CONNECTOR INSPECTION .) Front combination light (LH) malfunction (Refer to applicable FRONT COMBINATION LIGHT REMOVAL/INSTALLATION in the service information.) Adaptive front lighting system (AFS) control module malfunction (Refer to applicable ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE REMOVAL/INSTALLATION in the service information.)
Repeatability verification procedure	Clear the DTC recorded in the memory. (see CLEARING DTC .)
Courtesy of MAZDA MOTORS CORP.
1	Adaptive front lighting system (AFS) control module
2	Front combination light (LH)