Hyundai Sonata: Immobilizer System / Antenna Coil Repair procedures

Hyundai Sonata LF 2014-2019 Service Manual / Body Electrical System / Immobilizer System / 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.

Installation

1.	Install the coil antenna and connect the 6P connector.

2.	Install the crash pad lower panel.

3.	Connect the negative (-) battery terminal.

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 ...

Ignition Switch Assembly

...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Troubleshooting
Troubleshooting Error ItemFailureSymptomInspection Items Detailed Inspections Relevant Parts/ComponentsScreen displayTFT-LCD screen does not turn on 1. Connector attachments 2. Components 1. Check the connector attachments 2. Check B+, IGN and GND wiring 3. Check the component ...

Hyundai Sonata LF 2014-2019 Owners Manual: Theft-alarm system
This system helps to protect your vehicle and valuables. The horn will sound and the hazard warning lights will blink continuously if any of the following occurs: - A door is opened without using the remote key or smart key. - The trunk is opened without using the remote key or smart key. - The eng ...