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DTC B2018: Notes

DTC B2018 DETECTION CONDITION POSSIBLE CAUSE

DTC B2018 DRL right output circuit failure
DETECTION CONDITION  Open circuit or short to GND in wiring harness between PJB and headlight (low beam)
POSSIBLE CAUSE 
  • Open circuit in wiring harness between PJB terminal J-01 AD and headlight (RH) terminal A
  • Short to power supply in wiring harness between PJB terminal J-01 AD and headlight (RH) terminal A
  • Short to GND in wiring harness between PJB terminal J-01 AD and headlight (RH) terminal A
  • Headlight malfunction
  • PJB malfunction
G04956596Courtesy of MAZDA MOTORS CORP.