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:

    Interior Trim. Components and Components Location
    Components 1. Front pillar trim 2. Center pillar upper trim 3. Center pillar lower trim 4. Rear pillar trim 5. Cowl side trim 6. Front door scuff trim 7. ...

    Immobilizer system
    Your vehicle is equipped with an electronic engine immobilizer system to reduce the risk of unauthorized vehicle use. Your immobilizer system is comprised of a small transponder in the ignition key ...

    Engine coolant
    The high-pressure cooling system has a reservoir filled with year-round antifreeze coolant. The reservoir is filled at the factory. Check the antifreeze protection and coolant level at least once ...