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Home >> Kia >> 2015 >> Optima EX >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 16 (Smart Key System - Optima HEV) >> Repair procedures >> Inspection >> Serial Communication Status Check

Serial Communication Status Check

WARNING: This page is about a different variant/trim than selected.
  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: Display - Serial Communication Status Check Screen
    G08309060Courtesy of KIA MOTORS AMERICA, INC.
  3. After IG ON, select the "Receiver Communication Line Check".
    Fig 2: Display - Receiver Communication Line Check Screen
    G08309061Courtesy 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 are normal.
  6. If the smart key runs abnormal, check the following items.
    • Disconnection or no response of the exterior receiver communication line.
    • The exterior receiver communication line disconnection and ground connection.
    • The ESCL disconnection or no response
    • The ESCL disconnection and ground connection
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