Hyundai Ioniq (AE): Immobilizer System / Immobilizer Control Unit. Repair procedures

Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the main crash pad assembly.
(Refer to Body - "Main Crash Pad Assembly")
3.
Discnnect the connector of the immobilizer unit and then remove the immobilizer unit (A) after loosening a nut.

Installation
1.
Install the immobilizer control unit after connecting the unit connector.
2.
Install the main crash pad assembly.
3.
Connect the negative (-) battery terminal.

    Teaching Procedures1.Key Teaching ProcedureKey teaching must be done after replacing a defective PCM (ECM) or when providing additional keys to the vehicle owner.

    Removal1.Disconnect the negative (-) battery terminal.2.Remove the steering column shroud panel.(Refer to Body - "Steering Column Shroud Panel")3.Disconnect the 6P connector (B) of the coil antenna and then remove the coil antenna (A) after loosening the screw.

    Other information:

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

    DescriptionThe mode control actuator is located at the heater unit.It adjusts the position of the mode door by operating the mode control actuator based on the signal of the A/C control unit. Pressing the mode select switch makes the mode control actuator shift in order of Vent → Bi-Level → Floor → Mix.

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: High voltage shut-off procedures

    High Voltage Shut-off Procedures    â€¢ Be sure to read and follow the "General Safety Information and Caution" before doing any work related with the high voltage system. Failure to follow the safety instructions may result in serious electrical injuries.

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