DTC B1C79-13: Washer Motor Circuit Malfunction [Electrical Supply Unit (ESU)]: Notes

DTC B1C79-13: (ELECTRICAL SUPPLY UNIT) DETECTION CONDITION AND POSSIBLE CAUSE

Description	Washer motor circuit malfunction
Detection condition	Electrical supply unit (ESU) detects an open circuit in the washer motor circuit with the ignition switched ON (engine off or on).
Fail-safe	Not applicable
Possible cause	Washer motor connector or terminal malfunction Open circuit in wiring harness between washer motor terminal A and body ground Washer motor malfunction Electrical supply unit (ESU) connector or terminal malfunction Open circuit in wiring harness between washer motor terminal B and electrical supply unit (ESU) terminal 4B Electrical supply unit (ESU) malfunction
Courtesy of MAZDA MOTORS CORP.