Hyundai Sonata LF: Immobilizer System / Immobilizer Control Unit Repair procedures

Hyundai Sonata LF 2014-2019 Service Manual / Body Electrical System / Immobilizer System / Immobilizer Control Unit Repair procedures

Removal

1.	Disconnect the negative (-) battery terminal.

2.	Remove the driver crash pad lower panel. (Refer to Body - "Crash Pad Lower Panel")

3.	Remove the knee airbag module. (Refer to Restraint - "Knee Airbag (KAB) Module")

4.	Disconnect 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 crash pad lower panel and knee airbag module.

3.	Connect the negative (-) battery terminal.

Repair procedures

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Antenna Coil Repair procedures

Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the crash pad lower panel. (Refer to Body - "Crash Pad Lower 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 Sonata LF 2014-2019 Service Manual: Injector Repair procedures

Inspection 1. Turn the ignition switch OFF. 2. Disconnect the injector connector. 3. Measure resistance between the injector terminals 1 and 2. 4. Check that the resistance is within the specification. Specification: Refer to “Specification” Removal In case of removing the high pressure fuel pump, high pressure fuel pipe, delivery pipe, and injector, there may be injury caused by leakage of the high pressure fuel...

Hyundai Sonata LF 2014-2019 Service Manual: Front Seat Shield Inner Cover Repair procedures