Hyundai Elantra: Immobilizer System / 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 unit and then remove the immobilizer unit (A) after loosening a nut.
|
| Installation |
| 1. |
Install the immobilizer control unit after connecting the unit connector. |
| 2. |
Install the main crash pad assembly. |
| 3. |
Connect the negative (-) battery terminal. |
Repair procedures
Teaching Procedures
1.
Key Teaching Procedure
Key teaching must be done after replacing a defective PCM(ECM) or when providing additional keys to the vehicle owner.
The procedure starts with a ...
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 ...
Other information:
Hyundai Elantra AD (2016-2020) Service Manual: Variable Charge Motion Actuator (VCMA) Repair procedures
Inspection
1.
Turn ignition switch OFF.
2.
Disconnect the VCMA connector.
3.
Check that the VCMA is not stuck by foreign material.
4.
Measure resistance between motor (+) and (-) control terminals of the motor.
5.
Check that the resistance is within the specification.
Sp ...
Hyundai Elantra AD (2016-2020) Service Manual: Knock Sensor (KS) Description and Operation
Description
Knocking is a phenomenon characterized by undesirable
vibration and noise and can cause engine damage. Knock Sensor (KS) is
installed on the cylinder block and senses engine knocking.
When knocking occurs, the vibration from the cylinder block
is applied as pressure to the piez ...
