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DTC Detecting Condition and Trouble Area

DTC DETECTING CONDITION AND TROUBLE AREA CHART

DTC detecting condition Trouble area
B1502-H: Inside Air Temperature Sensor and/or Its Circuit Malfunction 
Inside air temperature sensor signal voltage is continuously higher than specified value (4.9 V) for specified time.
  • Inside air temperature sensor circuit
  • Inside air temperature sensor
  • HVAC control module
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