Kia Rio: 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.

Disconnect the connector of the immobilizer unit and then remove the immobilizer unit (A) after loosening a bolt.

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.

    Schematic diagrams Circuit Diaram Description and operation Description The immobilizer system will disable the vehicle unless the proper ignition key is used, in addition to the currently available anti-theft systems such as car alarms, the immobilizer system aims to drastically reduce the rate of auto theft.

    Repair procedures Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the crash pad lower panel.

    Other information:

    Kia Rio 2017-2023 YB Service Manual: Keyless Entry And Burglar Alarm

    Specifications Specification Item Specification Power source 3 V Operating temperature -22 - 176°F (-30 - 80°C) RF Modulation FSK LF Modulation ASK RF frequency

    Kia Rio 2017-2023 YB Service Manual: Air Conditioning System

    General safety information and caution Instructions When Handling Refrigerant 1. R-134a liquid refrigerant is highly volatile. A drop on the skin of your hand could result in localized frostbite. When handling the refrigerant, be sure to wear gloves.

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