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Home >> Mazda >> 2007 >> 3 Mazdaspeed, 2.3 M >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic [Body Control System] >> DTC B1502 >> Notes
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DTC B1502: Notes

DTC B1502 DETECTION CONDITION POSSIBLE CAUSE

DTC B1502 Light turn signal left circuit short to ground
DETECTION CONDITION  Short to GND in wiring harness between PJB and turn switch (LH)
POSSIBLE CAUSE 
  • Short to GND in wiring harness between PJB terminal J-04 O and light switch terminal L
  • Light switch malfunction
  • PJB malfunction
G04956584Courtesy of MAZDA MOTORS CORP.