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DTC B10A3-86: Communication Error With Swivel Actuator (LH): Notes

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

Description 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
  • Swivel actuator (LH) malfunction
  • AFS control module malfunction
System wiring diagram Not applicable