Hyundai Elantra: Immobilizer System / Immobilizer Control Unit Repair procedures

Hyundai Elantra AD (2016-2020) Service Manual / Body Electrical System / 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: Sunroof Glass Repair procedures
Replacement • Put on glove to protect your hands. 1. Close the sunroof glass completely by pressing the sunroof switch. 2. Loosen the mounting screws (A) and remove the sunroof glass (B). • Do not damage the roof panel. 3. ...

Hyundai Elantra AD (2016-2020) Service Manual: Cooling Fan Repair procedures
Removal and Installation Cooling fan assembly 1. Disconnect the battery negative terminal. 2. Remove the air duct and air cleaner assembly. (Refer to Intake and Exhaust System - "Air Cleaner") 3. Disconnect the over flow hose (A). 4. Remove the filler neck assembly (A). Tighteni ...