Hyundai Elantra Owners and Service Manuals

Hyundai Elantra: Smart Key System / Smart key antenna

Hyundai Elantra (CN7) 2021-2024 Service Manual / Body Electrical System / Smart Key System / Smart key antenna

Repair procedures
Removal
Interior 1 Antenna
   
•
Take care not to scratch the crash pad and related parts.
1.
Disconnect the negative (-) battery terminal.
2.
Remove the console assembly.
(Refer to Body - "Floor Console Assembly")
3.
Remove the interior 1 antenna (B) after loosening the mounting nuts and disconnecting the connector (A).

Interior 2 Antenna
1.
Disconnect the negative (-) battery terminal.
2.
Remove the console rear complete assembly.
(Refer to Body - "Floor Console Assembly")
3.
Remove the interior 1 antenna (B) after loosening the mounting nuts (2EA) and disconnecting the connector (A).

Interior 3 Antenna
1.
Disconnect the negative (-) battery terminal.
2.
Remove the rear transverse trim (A).

3.
Remove the interior 3 antenna (B) after loosening mounting screws and disconnecting the connector (A).

Exterior Bumper Antenna
1.
Disconnect the negative (-) battery terminal.
2.
Remove the rear bumper.
(Refer to Body - "Rear Bumper Assembly")
3.
Rremove the exterior bumper antenna (A) after loosening mounting nuts.

Front Door Antenna
1.
Disconnect the negative (-) battery terminal.
2.
Remove the front door trim.
(Refer to Body - "Front Door Trim")
3.
Remove the front door antenna (B) after loosening mounting screws and disconnecting the connector (A).

Buzzer
1.
Disconnect the negative (-) battery terminal.
2.
Remove the front left wheel guard.
3.
Disconnect the connectors (A), then remove the buzzer (A).

Door Outside Handle
1.
Disconnect the negative (-) battery terminal.
2.
Loosen the mounting bolt after remove the plug hall (A). And then push the outside handle in the direction of arrow as illustration below.

3.
Loosen the mounting screw (A) and then remove the front door outside handle (B) by sliding it forward.
Tightening torque :
7.8 - 11.8 N.m (0.8 - 1.2 kgf.m, 5.8 - 8.7 lb-ft)

4.
Remove the front door lock assembly (A).

5.
Disconnect the front door outside handle connector (A).

Trunk Open Switch
1.
Disconnect the negative (-) battery terminal.
2.
Remove the inside rear combination lamp (A).
(Refer to Lighting System - "Rear Combination Lmap")
3.
Remove the trunk rid open switch assembly (A).

Installation
Interior 1 Antenna
1.
Install the interior 1 antenna.
2.
Install the floor console assembly.
3.
Install the negative (-) battery terminal and check the smart key system.
Interior 2 Antenna
1.
Install the interior 2 antenna.
2.
Install the console rear complete assembly.
3.
Install the negative (-) battery terminal and check the smart key system.
Interior 3 Antenna
1.
Install the interior 3 antenna.
2.
Install the rear transverse trim.
3.
Install the negative (-) battery terminal and check the smart key system.
Exterior Bumper Antenna
1.
Install the exterior bumper antenna.
2.
Install the rear bumper cover.
3.
Install the negative (-) battery terminal and check the smart key system.
Front Antenna
1.
Install the exterior bumper antenna.
2.
Install the front bumper cover.
3.
Install the negative (-) battery terminal and check the smart key system.
Front Door Antenna
1.
Install the front door antenna.
2.
Install the front door trim.
3.
Install the negative (-) battery terminal and check the smart key system.
Buzzer
1.
Install the buzzer.
2.
Install the front left wheel guard.
3.
Install the negative (-) battery terminal and check the smart key system.
Door Outside Handle
1.
Install the outside handle.
2.
Install the door trim.
3.
Install the negative (-) battery terminal and check the smart key system.
Trunk rid open switch
1.
Install the Trunk rid open switch.
2.
Install the inside rear combination lamp.
3.
Install the negative (-) battery terminal and check the smart key system.

    Smart Key Diagnostic

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    The tachometer indicates the approximate number of engine revolutions per minute (RPM).

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