Hyundai Elantra: Immobilizer System / Immobilizer Control Unit Repair procedures

Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the main crash pad assembly.
(Refer to Body - "Main Crash Pad Assembly")
3.
Discnnect 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 main crash pad assembly.
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 steering column shroud panel. (Refer to Body - "Steering Column Shroud Panel") 3. Disconnect the 6P connector (B) of ...

Other information:

Hyundai Elantra AD (2016-2020) Service Manual: Fuel Tank Repair procedures
Removal 1. Release the residual pressure in fuel line. (Refer to Fuel Delivery System - "Release Residual Pressure in Fuel Line") 2. Remove the rear seat cushion. (Refer to Body - "Rear Seat Assembly") 3. Remove the fuel pump service cover (A). 4. Disconnect the fuel pump connect ...

Hyundai Elantra AD (2016-2020) Service Manual: Rear Door Latch Repair procedures
Replacement 1. Remove the rear door module. (Refer to Rear Door - "Rear Door Module") 2. Remove the rear door inside handle cage (A). 3. Disconnect the rear door latch connector (A). 4. Loosen the mounting bolt and remove the rear door latch (A). 5. Remove the rear door outside ...

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