Hyundai Sonata: 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. The procedure starts with a ...

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 ante ...

Other information:

Hyundai Sonata LF 2014-2019 Owners Manual: Lower Anchors and Tether for Children (LATCH) System
The LATCH system holds a child restraint during driving and in an accident. This system is designed to make installation of the child restraint easier and reduce the possibility of improperly installing your child restraint. The LATCH system uses anchors in the vehicle and attachments on the chil ...

Hyundai Sonata LF 2014-2019 Service Manual: Special Service Tools
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