Hyundai Ioniq (AE): Horn / Repair procedures

Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual / Body Electrical System / Horn / Repair procedures

Removal
1.
Remove the front bumper cover.
(Refer to Body - "Front Bumper Cover")
2.
Remove the horn after loosening the mounting the bolt.
[Low Pitch Horn]

[High Pitch Horn]

Installation
1.
Install the horns after connect the horn connectors.
2.
Install the front bumper cover.
Inspection
1.
In this vehicle, the horn relay is mounted in the PCB block of the engine compartment relay block.
   
•
The semiconductor relay inserted in the PCB cannot be replaced.
•
If you need to replace the relay, replace the PCB block and perform the test.

    Component Location1. Horn switch2. Horn relay (Built - in PCB Block)3. Horn (Low)4. Horn (High)5. Clock spring

    Other information:

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

    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: emperature Control Actuator. Repair procedures

    Inspection1.Turn the ignition switch OFF.2.Disconnect the temperature control actuator connector.3.Verify that the temperature control actuator operates to the cool position when connecting 12V to terminal 3 and grounding terminal 7.Verify that the temperature control actuator operates to the warm position when connected in reverse.

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