Hyundai Elantra: Immobilizer System / 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 the coil antenna and then remove the coil antenna (A) after loosening the screw.

Installation
1.
Install the coil antenna and connect the 6P connector.
2.
Install the steering column shroud panel.
3.
Connect the negative (-) battery terminal.
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 u ...

Ignition Switch Assembly
...

Other information:

Hyundai Elantra AD (2016-2020) Service Manual: Components and Components Location
Components Location 1. Engine Control Module (ECM)2. Manifold Absolute Pressure Sensor (MAPS)3. Intake Air Temperature Sensor (IATS)4. Engine Coolant Temperature Sensor (ECTS)5. Throttle Position Sensor (TPS) [integrated into ETC Module]6. Crankshaft Position Sensor (CKPS)7. Camshaft Position S ...

Hyundai Elantra AD (2016-2020) Service Manual: Front Door Module Repair procedures
Replacement 1. Remove the front door window glass. (Refer to Front Door - "Front Door Window Glass") 2. Remove the front door outside handle. (Refer to Front Door - "Front Door Outside Module") 3. Loosen the front door outside handle base mounting bolt (A). Tightening torque : 2.0 ...

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