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: Emergency Call System

    Description and operation Description Emergency Call (eCall) When an accident occurs or the user's request is detected, it notifies the call center of the vehicle status using the wireless network so that the center can provide necessary emergency service.

    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.

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