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Home >> Kia >> 2012 >> Sorento SX, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 59 (Smart Key System) >> Smart Key Diagnostic >> Repair Procedures >> Inspection >> Serial Communication Status Check
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Serial Communication Status Check

WARNING: This page is about a different car, the 2014 Kia Sorento. However, it is still accessible from the selected car via links, so may be relevant.
  1. Connect the cable of GDS to the data link connector in driver side crash pad lower panel.
  2. Select the "Serial Communication Line Check".
    Fig 1: Selecting Communication Line Check
    G09766923Courtesy of KIA MOTORS AMERICA, INC.
  3. After IGN ON, select the "Receiver Communication Line Check".
    Fig 2: Display Receiver Communication Line Check
    G09766924Courtesy of KIA MOTORS AMERICA, INC.
  4. Check the serial communication line with a GDS.
  5. If the smart key runs normal, the communication of smart key unit, exterior receiver and ESCL are normal.
  6. If the smart key runs abnormal, check the following items.
    1. Disconnection or no response of the exterior receiver communication line.
    2. The exterior receiver communication line disconnection and ground connection.
    3. The ESCL disconnection or no response
    4. The ESCL disconnection and ground connection
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