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Home >> Mazda >> 2013 >> 5 Grand Touring >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> On-Board Diagnostic [HVAC System - Full-Auto Air Conditioner System] >> DTC B1086:71 [Full-Auto Air Conditioner] >> Notes

DTC B1086:71 [Full-Auto Air Conditioner]: Notes

NOTE:
  • DTC B1086:71 is detected when the ignition is switched ON and approx. 30 s have passed since the airflow mode actuator is operated.
DTC B1086:71 Airflow mode actuator motor lock
DETECTION CONDITION 
  • Airflow mode actuator motor lock
FAIL-SAFE FUNCTION  Malfunction determined when IG SW at ON 
  • Airflow mode actuator drive signal is stopped right when the malfunction is determined.

    Malfunction already exists when IG SW turned to ON 

  • Control based on ambient temperature.
POSSIBLE CAUSE 
  • Airflow mode actuator connector malfunction
  • Airflow mode actuator malfunction
  • A/C unit (airflow mode link and airflow mode crank) malfunction
  • Open circuit in wiring harness between climate control unit and airflow mode actuator
  • Short to ground in wiring harness between climate control unit and airflow mode actuator
  • Climate control unit connector malfunction
  • Climate control unit malfunction
SYSTEM WIRING DIAGRAM 
G08150847