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

Hyundai Ioniq (AE) 2017-2025 Service Manual / Heating, Ventilation and Air Conditioning / Air Conditioning System / Auto Defogging Sensor. Repair procedures

Diagnosis With GDS

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).

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)

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...

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