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: Smart Cruise Control Switch Repair procedures
Inspection [Measuring Resistance] 1. Disconnect the cruise control switch connector from the control switch. 2. Measure resistance between terminals on the control switch when each function switch is ON (switch is depressed). Function switchTerminalResistanceSET -2 - 5550?±5%RES +2 - ...

Hyundai Elantra AD (2016-2020) Service Manual: Specifications
Specifications ItemsSpecificationRated voltageDC 12VOperating voltage9V ~ 16VOperating speed30?/h ~ 225?/hSensible distance30m (Sedan)Curvature radiusStart : More than 100m/30km/hStop : Less than 70mFrequency24 GHzNumbers2EA (Master 1EA, Slave 1EA) ...