Serial Communication Status Check

Connect the cable of scan tool to the data link connector in driver side crash pad lower panel.
Select the "Status Check".

Fig 1: Scantool Display - Antenna Status Check
Courtesy of HYUNDAI MOTOR CO.
After IG ON, select the "SRx COMM. LINE Status Check".

Fig 2: Scantool Display - Antenna Status Check
Courtesy of HYUNDAI MOTOR CO.
Check the serial communication line with a scanner.
If the smart key runs normal, the communication of smart key unit, exterior receiver and MSL (Mechatronic Steering column Lock) 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.
3. The MSL disconnection or no response
4. The MSL disconnection and ground connection