Hyundai Sonata: 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 Service Manual: Seat Belt Pretensioner (BPT) Repair procedures
Removal 1. Disconnect the battery negative cable, and wait for at least three minutes before beginning work. 2. Remove the door scuff trim. (Refer to Body - "Interior Trim") 3. Remove the center pillar trim. (Refer to Body - "Interior Trim") 4. Loosen the seat belt pretensioner m ...

Hyundai Sonata LF 2014-2019 Service Manual: Components and Components Location
Component Location 1. Head lamp leveling actuator (Built-in Head lamp)2. Head lamp leveling unit (Rear right only) ...

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