Hyundai Santa Fe (TM): Air conditioning System / In-car Sensor. Description and operation

Description
The In-car air temperature sensor is built in the heater & A/C control unit.
The sensor consists of a thermistor that measures the inside temperature. The signal decided by the resistance value that changes in accordance with perceived inside temperature, is delivered to heater control unit, and according to this signal, the control unit regulates in-car temperature to intended value.

    Inspection 1. Turn the ignition switch OFF. 2. Disconnect the evaporator temperature sensor connector.

    Description The photo sensor is located at the center of the defrost nozzles. The photo sensor contains a photovoltaic (sensitive to sunlight) diode.

    Other information:

    Hyundai Santa Fe (TM) 2019-2023 Service and Repair Manual: Indicators And Gauges

    Troubleshooting Troubleshooting Symptom Possible cause Remedy Speedometer does not operate Cluster fuse (10A) blown Check for short and replace fuse Speedometer faulty Check speedometer CAN line faulty

    Hyundai Santa Fe (TM) 2019-2023 Service and Repair Manual: A/C Pressure Transducer. Repair procedures

    Inspection    • Before measuring the pressure of the refriferant line, check whether the refrigerant amount is charged in accordance with the specified charging amount.

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