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: Compressor Oil

    Repair procedures Oil Specification 1. The HFC-134a system requires synthetic compressor oil (PAG) whereas the R-12 system requires mineral compressor oil. The two oils must never be mixed. 2. Compressor oil (PAG) varies according to compressor model.

    Kia Rio 2017-2023 YB Service Manual: Heater & A/C Control Unit (MANUAL)

    Components and components location Components Connector pin function NO. Connector A Connector B 1 Low Battery 2 Common ISG Battery 3 High Illumination (+)

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