LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Hyundai >> 2016 >> Azera Base >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Smart Key System >> Repair procedures >> Inspection >> Serial Communication Status Check
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Serial Communication Status Check

  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 Serial Communication Line Check Screen
    G10368805Courtesy of HYUNDAI MOTOR AMERICA
  3. After IGN ON, select the "Receiver Communication Line Check".
    Fig 2: Selecting Receiver Communication Line Check Screen
    G10368806Courtesy of HYUNDAI MOTOR AMERICA
  4. Check the serial communication line with a GDS.
  5. If the receiver communication line runs normal, check the "ESCL Communication Line Check".
    Fig 3: Display - ESCL Communication Line Check Screen
    G10368807Courtesy of HYUNDAI MOTOR AMERICA
  6. If the smart key runs normal, the communication of smart key unit, exterior receiver and ESCL are normal.
  7. 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