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: Head Up Display System

    Description and operation Description 1. System operation HUD system displays various information on the windshield glass which minimizes the driver’s eye movement to enhance safety and convenience.

    Hyundai Santa Fe (TM) 2019-2023 Service and Repair Manual: Auto Defogging Sensor. Repair procedures

    Inspection To inspect and diagnose the sensor, refer to Self-Diagnosis procedure and DTC guide. Replacement 1. Disconnect the negative (-) battery terminal. 2. Remove the rain sensor inner cover (A) and rain sensor cover (B).

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