Hyundai Santa Fe (TM): Air conditioning System / Auto Defogging Sensor. Description and operation

Hyundai Santa Fe (TM) 2019-2023 Service and Repair Manual / Heating,Ventilation And Air Conditioning / Air conditioning System / Auto Defogging Sensor. Description and operation

Description
The auto defogging sensor is installed on the front window glass. The sensor judges and sends signal if moisture occurs to blow out wind for defogging. The air conditioner control module receives signal from the sensor and restrains moisture and eliminate defog by controlling the intake actuator, A/C, auto defogging actuator, blower motor rpm, and mode actuator.

    Inspection 1. Check the resistance of the ambient temperature sensor between terminals 1 and 2 whether it changes by changing the ambient temperature.

    Inspection To inspect and diagnose the sensor, refer to Self-Diagnosis procedure and DTC guide. Replacement 1.

    Other information:

    Hyundai Santa Fe (TM) 2019-2023 Service and Repair Manual: Smart key antenna. Repair procedures

    Removal Interior 1 Antenna    Take care not to scratch the crash pad and related parts. 1. Disconnect the negative (-) battery terminal.

    Hyundai Santa Fe (TM) 2019-2023 Service and Repair Manual: IMS (Integrated Memory)

    Description and operation Description The optimal seat position set by the driver is memorized into the power seat unit by using IMS switch. In case of the position change, the seat can restore its preset position by IMS switch.

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