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Hyundai Equus: Smart Key Repair procedures - Smart Key System - Body Electrical System - Hyundai Equus VI 2009-2026 Service ManualHyundai Equus: Smart Key Repair procedures

Second generation VI (2009–2026) / Hyundai Equus VI 2009-2026 Service Manual / Body Electrical System / Smart Key System / Smart Key Repair procedures

Smart Key
Battery Inspection
1.
Check that the red light flickers when the door lock or unlock button is pressed on the transmitter.
2.
Remove the battery (A) and check voltage if the red light doesn't flicker.
Standard voltage : 3V
(Refer to Owner's manual - "Battery Replacement")
[Standard]

[Card]

3.
Insert the battery (A) into the tester (09954-2P100).

4.
Push the test button and If "0.00" is displayed on screen, it means that the battery voltage is 2V or less.
5.
If "L" is displayed on screen, it means that the battery is low power and it needs to replace.
6.
To prevent the discharge of electricity, turn the tester power off.
7.
Replace the transmitter battery with a new one, if voltage is low power then try to lock and unlock the doors with the transmitter by pressing the lock or unlock button five or six times.
8.
If the doors lock and unlock, the transmitter is O.K, but if the doors don't lock and unlock, register the transmitter code, then try to lock and unlock the doors.
9.
If the doors lock and unlock, the transmitter is O.K, but if the doors don't lock and unlock, replace the transmitter.
   
An inappropriately disposed battery can be harmful to the environment and human health.
Dispose the battery according to your local law(s) or regulation.
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
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    Smart Key Unit Components and Components Location
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    Specifications
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