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: ESC OFF Switch Repair procedures
Removal
1.
Turn ignition switch OFF and disconnect the negative (-) battery cable.
2.
Remove the crash pad lower panel.
(Refer to Body - "Crash Pad")
3.
Remove the side crash pad switch.
4.
Disconnect the ESC OFF switch connector.
5.
Check the continuity between the switch termi ...
Hyundai Elantra AD (2016-2020) Service Manual: Ambient Temperature Sensor Description and Operation
Description
The ambient temperature sensor is located at the front of the
condenser and detects ambient air temperature. It is a negative type
thermistor; resistance will increase with lower temperature, and
decrease with higher temperature.
The sensor output will be used for discharge tem ...
