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Home >> Kia >> 2016 >> Optima EX >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 35 (Smart Key System (HEV)) >> Smart Key System >> Repair Procedures >> Inspection >> Serial Communication Status Check
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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: Screen Display - Serial Communication Line Check Screen
    G11817816Courtesy of KIA MOTORS AMERICA, INC.
  3. After IGN ON, select the "Receiver Communication Line Check".
    Fig 2: Screen Display - Receiver Communication Line Check Screen
    G11817817Courtesy 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.