Hyundai Ioniq (AE): Air Conditioning System / Auto Defogging Sensor. Repair procedures

Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual / Heating, Ventilation and Air Conditioning / Air Conditioning System / Auto Defogging Sensor. Repair procedures

Diagnosis With GDS
1.
The heating, ventilation and air conditioning can be quickly diagnosed failed parts with vehicle diagnostic system (GDS).
※ The diagnostic system (GDS) provides the following information.
(1) Self diagnosis : Checking the failure code (DTC) and display.
(2) Current data : Checking the system input / output data state.
(3) Actuation test : Checking the system operation condition.
(4) Additional function : Other controlling such as he system option and zero point adjustment.
2.
Select the 'Car model' and the system to be checked in order to check the vehicle with the tester.
3.
Select the 'Current data' menu to search the current state of the input / output data.
The input / output data for the sensors corresponding to the Auto Defogging Sensor can be checked.

Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Remove the auto defogging cover (A).

3.
Disconnect the connector (A) and then remove the auto defogging sensor (B).

4.
To install, reverse the removal procedure.
   
1)
If it is mounted in the (A) position and is not displayed, install it considering the cable length and cover.
(Tape spec : 3M / VHB4929)

    DescriptionThe 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.

    Components Location1. Duct sensor (Vent)2. Duct sensor (Floor)

    Other information:

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Auto Defogging Sensor. Description and operation

    DescriptionThe 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 moto

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Auto Defoging Actuator. Repair procedures

    Inspection1.Turn the ignition switch OFF. 2.Disconnect the auto defogging connector. 3.Verify that the auto defogging actuator operates to the open position when connecting 12V to terminal 3 and grounding terminal 4. Verify that the auto defogging actuator operates to the close position when connected in reverse.

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