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Home >> Mazda >> 2021 >> CX-3 AWD >> Repair and Diagnosis (Single Page) >> External Pages >> Different car >> Section 44 (On-Board Diagnostic - Adaptive Front Lighting System Control Module) >> DTC B1D01-13: Headlight (RH) Circuit Malfunction >> Notes
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DTC B1D01-13: Headlight (RH) Circuit Malfunction: Notes

WARNING: This page is about a different car, the 2016 Mazda CX-3. However, it is still accessible from the selected car via links, so may be relevant.
Description Headlight (RH) circuit malfunction
Detection condition 
  • The AFS control module detected an open circuit in the headlight (RH) circuit during the headlight LO on control with the ignition switched ON (engine off or on).
Fail-safe 
  • Control of the headlight auto leveling system is continued.
Possible cause 
  • DTCs are stored in the BCM.
    • Headlight LO (RH) circuit malfunction
  • Front combination light (RH) connector or terminal malfunction
  • AFS control module connector or terminal malfunction
  • Short to ground in wiring harness between AFS control module terminal Z and front combination light (RH) terminal N
  • Open circuit in wiring harness between AFS control module terminal Z and front combination light (RH) terminal N
  • Front combination light (RH) malfunction
  • AFS control module malfunction
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