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: LKAS Unit Repair procedures
Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the LDWS unit cover (A). 3. Disconnect the LKAS unit connector (A). 4. Remove the LKAS unit after disengaging the mounting bracket (A). Installation 1. Align LDWS unit with windshield bracket using forward edge p ...

Hyundai Elantra AD (2016-2020) Service Manual: Rear Door Window Glass Repair procedures
Replacement 1. Remove the rear door trim. (Refer to Rear Door - "Rear Door Trim") 2. Remove the rear door belt inside weatherstrip (A). 3. Pull down rear door window glass by pressing the power window glass switch. 4. Loosen the mounting screws and remove the rear door belt outside ...

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