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

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...

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: Parking Assist Sensor Repair procedures

Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the front/rear bumper cover. (Refer to Body - "Front Bumper Cover") (Refer to Body - "Rear Bumper Cover") 3. Disconnect the connector (B) from the parking assist sensor (A)...

Hyundai Sonata LF 2014-2019 Service Manual: Components and Components Location