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...

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Hyundai Sonata LF 2014-2019 Service Manual: Intake Manifold Repair procedures

Removal and Installation 1. Remove the engine cover. 2. Disconnect the battery negative terminal. 3. Disconnect the engine wiring connector and haness clamp and disconnect the wiring from intake manifold. 4. Disconnect the PCV (Positive crankcase ventilation) hose (A) and the PCSV (Purge control solenoid valve) (B)...

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