Hyundai Elantra: Smart Key System / Smart Key Repair procedures

Hyundai Elantra AD (2016-2020) Service Manual / Body Electrical System / Smart Key System / Smart Key Repair procedures

Smart Key

Smart Key Code Saving

1.	Connect the DLC cable of GDS to the data link connector (16 pins) in driver side crash pad lower panel, turn the power on GDS.

2.	Select the vehicle model and then do "Smart Key Code Saving".

3.	After selecting "Smart Key Teaching" menu, push "Enter" key, then the screen will be shown as below.

4.	After having the teaching smart key, push "Enter" key.

5.	Input the "Pin Code" for first key teaching.

6.	Press the SSB with smart key within 5 sec after pressing "OK".

7.	Confirm the message "First key teaching completed".

8.	Press the SSB with smart key within 5 sec after pressing "OK".

9.	Confirm the message "Second key teaching completed".

10.	Then the screen will be shown as below when key teaching process is completed.

Description and Operation

Description The SMART KEY system is a system that allows the user to access and operate a vehicle in a very convenient way. To access the vehicle, no traditional key or remote control unit is n ...

Smart Key Unit Components and Components Location

Components (1) NoConnector AConnector BConnector C1BAT (+)_SignalDriver's door antenna_GND-2BAT (+)_PowerDriver's door antenna_Power-3IGN 1--4IGN 2_Relay outputB-CAN (High)SSB LED (OFF)5IGN 1_Rel ...

Other information:

Hyundai Elantra AD (2016-2020) Service Manual: Crash Pad Lower Panel Components and Components Location
Component Location 1. Crash pad lower panel ...

Hyundai Elantra AD (2016-2020) Service Manual: External AMP Repair procedures
Removal 1. Disconnect the negative (-) battery terminal. 2. Open the trunk, remove the right luggage side trim. (Refer to Body - "Trunk Trim") 3. Remove the external amplifier (B) after disconneting the connector (A) and loosening the mounting nuts. Installation 1. Install the exte ...