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DTC B1570: Notes

DTC B1570 DETECTION CONDITION POSSIBLE CAUSE

DTC B1570 Headlight high beam status input circuit short to battery
DETECTION CONDITION  Short to power supply in wiring harness between PJB and light switch (high beam)
POSSIBLE CAUSE 
  • Short to power supply in wiring harness between PJB terminal J-04 L and light switch terminal K
  • Light switch malfunction
  • PJB malfunction
G04956587Courtesy of MAZDA MOTORS CORP.