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

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.

Evaporator Temperature Sensor. Repair procedures

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

Photo Sensor. Description and operation

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

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Hyundai Santa Fe (TM) 2019-2025 Service Manual: Engine Coolant Temperature Sensor (ECTS). Description and operation

Description Engine Coolant Temperature Sensor (ECTS) is located in the engine coolant passage of the cylinder head for detecting the engine coolant temperature. The ECTS uses a thermistor whose resistance changes with the temperature...

Hyundai Santa Fe (TM) 2019-2025 Service Manual: Rear Blower Motor. Repair procedures

Replacement 1. Disconnect the negative (-) battery terminal. 2. Remove the luggage side trim [RH]. (Refer to Body - "Luggage Side Trim") 3. Separate the blower motor connector (A) and loosen the mounting screws and remove the blower motor (B)...