Hyundai Sonata: Immobilizer Control Unit. Repair procedures - Immobilizer System - Body Electrical SystemHyundai Sonata: Immobilizer Control Unit. Repair procedures

Replacement

1.
Disconnect the negative (-) battery terminal.
2.
Remove the crash pad lower panel.
(Refer to the BD group - "Crash pad")
3.
Disconnect the 5P connector of the SMARTRA unit and then remove the SMARTRA unit (A) after loosening the bolt.

4.
Installation is the reverse of removal procedure.

    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 ...

    Antenna Coil. Repair procedures
    Replacement 1. Disconnect the negative (-) battery terminal. 2. Remove the steering column upper and lower shrouds after loosening the scr ...

    See also:

    Accelerator Pedal. Repair procedures
    Removal 1. Turn the ignition switch OFF and disconnect the negative (-) battery cable. 2. Disconnect the accelerator position sensor conn ...

    Smart key precautions
    ✽ NOTICE If, for some reason, you happen to lose your smart key, you will not be able to start the engine. Tow the vehicle, if necessary, and contact an authorized HYUNDAI dealer. A ...

    Compass function
    The Compass can be turned ON and OFF and will remember the last state when the ignition is cycled. To turn the display feature ON/OFF: 1. Press and release the button within 1 second to turn the di ...