Kia Cadenza YG: Immobilizer System / Immobilizer Control Unit Repair procedures

Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the crash pad lower panel.
(Refer to Body - "Crash Pad")
3.
Disconnect the 5P connector of the SMARTRA unit and then remove the SMARTRA unit (A) after loosening the bolt.

Installation
1.
Install the immobilizer control unit after connecting the unit connector.
2.
Install the crash pad lower panel.

    Teaching Procedures 1. Key Teaching Procedure Key teaching must be done after replacing a defective PCM(ECM) or when providing additional keys to the vehicle owner.

    Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the crash pad lower panel. (Refer to Body - "Crash Pad") 3. Disconnect the 6P connector (B) of the coil antenna and then remove the coil antenna (A) after loosening the screw.

    Other information:

    Kia Cadenza YG 2016-2021 Service Manual: Height Sensor Repair procedures

    Removal Height Sensor 1. Disconnect the negative (-) battery terminal. 2. Remove the height sensor linkage (A) installed on the front axle and rear axle. [Front] [Rear] Installation Height Sensor 1. Install the height sensor assembly after connecting the connector.

    Kia Cadenza YG 2016-2021 Service Manual: A/C Pressure Transducer Description and Operation

    Description A/C pressure transducer convert the pressure value of high pressure line into voltage value after measure it. By converted voltage value, engine ECU controls cooling fan by operating it high speed or low speed. Engine ECU stop the operation of compressor when the temperature of refrigerant line is so high or so low irregularl

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