Hyundai Ioniq (AE): Sun Roof / Sunroof Switch. Repair procedures

Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual / Body Electrical System / Sun Roof / Sunroof Switch. Repair procedures

Inspection
1.
Disconnect the negative (-) battery terminal.
2.
Open the sunglass case cover from the overhead console and remove the 2 screws holding the overhead console. Disconnect the switch connector and Map lamp connector, and then remove the overhead console lamp (A).

3.
Check for continuity between the terminals.

    Circuit Diagram

    Inspection 1.Disconnect the negative (-) battery terminal.2.Remove the roof trim.(Refer to Body - "Roof Trim")3.Disconnect the sunroof motor (A) connector.

    Other information:

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    DescriptionThe evaporator temperature sensor will detect the evaporator core temperature and interrupt compressor relay power in order to prevent evaporator from freezing by excessive cooling. The evaporator temperature sensor has the Negative Temperature Coefficient (NTC).

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: PTC Heater. Description and operation

    DescriptionThe PTC (Positive Temperature Coefficient) heater is installed at the exit or the backside of the heater core.The PTC heater is an electric heater using a PTC element as an auxiliary heating device that supplements deficiency of interior heat source in highly effective hybrid engine.

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