The first generation kia sorento was a traditional truck based body on frame suv while. Program a remote key fob for your car simple and easy steps duration. This option allows the owner to unlock and lock the doors to the vehicle while outside of the vehicle. The vehicle specific data are written into the transponder memory. Some keyless remotes can even open the trunk or rear gate. The data of all transponder, which are valid for the vehicle, are stored in the ECM.ĭuring the key teaching procedure the transponder will be programmed with vehicle specific data. Only if the results are equal the engine can be started. The ECM carries out the check of ignition key by special encryption algorithm, which runs in the transponder and in the ECM in parallel. The immobilizer system consists of the ECM, the SMARTRA, the lamp and ignition keys with built-in transponder. The multiplexer is a part of ECM hardware. The ECM controls the communication either to SMARTRA or diagnostic equipment on K line by switching of a multiplexer and specific communication procedures. During communication of ECM and SMARTRA the K line of ECM cannot be used for communication. The SMARTRA communicates to a engine control module via a dedicated communications line (called W-Line, or Immo-Line). This device is only an advanced interface, which converts the RF data flow (radio frequency of 125 kHz) of transponder into serial communication to ECM and vice versa. The SMARTRA does not carry out the check of validity of transponder or the calculation of encryption algorithm.
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