LEMON Manuals: Even more car manuals for everyone
Home >> Mazda >> 2024 >> 3 S >> Repair and Diagnosis >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> On-Board Diagnostic - Adaptive Front Lighting System (AFS) Control Module >> DTC U212D-87: Communication Error With Light Control Module (RH)

DTC U212D-87: Communication Error With Light Control Module (RH)

U212D-87: (ALH/AFS/ALV) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location Communication error with light control module (RH)
Detection condition  
  • The auto leveling control module/adaptive front lighting system (AFS) control module/adaptive LED headlights control module cannot receive CAN signal from the light control module (RH).
Fail-safe  
  • Control of the headlight auto leveling system is continued.
  • Turn off adaptive LED headlights. (with adaptive LED headlights)
  • Control of front combination light (LH) except for adaptive LED headlights is continued. (with adaptive LED headlights)
  • Set wide-range low beam as basic light distribution. (with adaptive LED headlights)
Possible cause  
  1. Malfunction in CAN communication line between light control module (RH) and auto leveling control module/adaptive front lighting system (AFS) control module/adaptive LED headlights control module
    NOTE:
Repeatability verification procedure  
  • Not applicable
System wiring diagram  
  • Not applicable