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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 C0051:86 [Adaptive Front Lighting System (AFS) Control Module] >> Notes
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DTC C0051:86 [Adaptive Front Lighting System (AFS) Control Module]: Notes

DTC C0051:86 (ADAPTIVE FRONT LIGHTING SYSTEM CONTROL MODULE) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location Error steering angle signal received from EPS control module
Detection condition
  • Either a condition in which the steering angle sensor has a malfunction and the EPS control module has not performed steering angle neutral position auto learning, or a condition in which the EPS control module has a malfunction is detected for 5 s or more.
Fail-safe
  • The swivel actuator is moved to the center.
  • Control of the headlight auto leveling system is continued.
Possible cause
  • DTCs are stored in the start stop unit.
  • DTCs are stored in the EPS control module.
  • EPS control module malfunction
  • AFS control module malfunction
System wiring diagram -