Serial Communication Status Check

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Connect the cable of GDS to the data link connector in driver side crash pad lower panel.
Select the "Serial Communication Line Check".

Fig 1: Selecting Serial Communication Line Check
Courtesy of HYUNDAI MOTOR CO.
After IG ON, select the "Receiver Communication Line Check".

Fig 2: Screen Display - Receiver Communication Line Check
Courtesy of HYUNDAI MOTOR CO.
Check the serial communication line with a GDS.
If the smart key runs normal, the communication of smart key unit, exterior receiver are normal.
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.