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: Heater Core Repair procedures
Replacement 1. Disconnect the negative (-) battery terminal. 2. Remove the heater and blower assembly. (Refer to Heater - "Heater Unit") 3. Remove the heater core cover (A) after loosening the mounting screws. 4. Pull out the heater core (A) from the heater unit. 5. To intall, ...

Hyundai Elantra AD (2016-2020) Owners Manual: Hood
1. Park the vehicle and set the parking brake. 2. Pull the release lever to unlatch the hood. The hood should pop open slightly. 3. Go to the front of the vehicle, raise the hood slightly, push up the secondary latch (1) inside of the hood center and lift the hood (2). 4. Pull out the sup ...