Hyundai Santa Fe (TM): 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: Rear Occupant Alert

    Description and operation Description The system detects the passenger in the vehicle and prevents the driver from getting off the vehicle with the passenger in the back. - 1st warning: If you open the driver's door after you open and then close the rear passenger and turn the engine off, the system provides warn

    Hyundai Santa Fe (TM) 2019-2023 Service and Repair Manual: Parking Distance Warning (PDW)

    Description and operation Description • PDW consists of 8 sensors (front : 4 units, rear : 4 units) that are used to detect obstacles and transmit the result in three separate warning levels, the first, second and third to IBU via LIN communication.

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