LEMON Manuals: Even more car manuals for everyone
Home >> Mazda >> 2017 >> CX-3 Touring, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Headlights >> On-Board Diagnostic - Adaptive Front Lighting System Control Module >> DTC U3000-49; AFS Control Module Internal Malfunction >> Notes

DTC U3000-49; AFS Control Module Internal Malfunction: Notes

DTC U3000-49; AFS CONTROL MODULE INTERNAL MALFUNCTION - DETECTION CONDITION & POSSIBLE CAUSE

System malfunction location AFS control module internal malfunction
  • RAM/ROM malfunction
  • AFS function malfunction
  • CAN hardware malfunction
Detection condition
  • RAM/ROM malfunction
    • The AFS control module detected a malfunction in the internal RAM/ROM.
  • AFS function malfunction
    • The AFS control module detected AFS function malfunction three times.
  • CAN hardware malfunction
    • The AFS control module detected CAN hardware malfunction three times.
Fail-safe
  • RAM/ROM malfunction
    • The swivel actuator is moved to the center.
    • The headlight leveling actuator is stopped at the position when the malfunction is determined.
  • AFS function malfunction
    • Not applicable
  • CAN hardware malfunction
    • The swivel actuator is moved to the center.
      • The headlight leveling actuator is stopped at the position when the malfunction is determined.
Possible cause
  • AFS control module internal malfunction
System wiring diagram -
scientia non olet · About LEMON Manuals