Hyundai Ioniq (AE): 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: Ambient Temperature Sensor. Repair procedures

    Inspection1.Check the resistance of the ambient temperature sensor between terminals 1 and 2 whether it changes by changing the ambient temperature.1. Ambient Sensor (+)2. Sensor groundSpecification Ambient temperature [°C (°F)] Resistance between terminal 1 and 2 (

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

    Inspection1.Turn the ignition switch OFF.2.Disconnect the mode control actuator connector.3.Verify that the mode control actuator operates to the defrost mode when connecting 12V to terminal 3 and grounding terminal 4.Verify that the mode control actuator operates to the vent mode when connected in reverse.

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