Hyundai Elantra: Immobilizer System / Antenna Coil Repair procedures

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

Repair procedures Replacement 1. Disconnect the negative (-) battery terminal. 2. Remove the crash pad lower panel. (Refer to Body - "Crash Pad") 3. Remove the steering column upper & ...

Other information:

Hyundai Elantra AD (2016-2020) Service Manual: Intake Air Temperature Sensor (IATS) Repair procedures
Inspection 1. Turn the ignition switch OFF. 2. Disconnect the IATS connector. 3. Measure resistance between the IATS terminals 3 and 4. 4. Check that the resistance is within the specification. Specification : Refer to "Specification" ...

Hyundai Elantra AD (2016-2020) Service Manual: Antenna Repair procedures
Inspection Glass Antenna Test 1. Wrap aluminum foil (A) around the tip of the tester probe (B) as shown. 2. Touch one tester probe to the glass antenna terminal (A) and move the other tester probe along the antenna wires to check that continuity exists. Glass Antenna Repair &nb ...