Body Electrical System

Smart Key Diagnosis: Repair Procedures

32steps
~192min
4/5difficulty
Done 0 of 32

Inspection

Self-Diagnosis Using Analyzer-Checker. We can quickly diagnose SMART KEY malfunctions using GDS. GDS can operate the actuator, perform input/output value control and self-diagnosis. The following three items are the main problems in the SMART KEY system.
  1. SMART KEY Device Input Problem.
  2. SMART KEY Device Problem.
  3. SMART KEY Device Output Problem.
  4. SMART KEY Device Input Problem: Switch Diagnosis
  5. SMART KEY Device Problem: Communication Diagnosis
  6. SMART KEY Device Output Problem: Antenna Diagnosis and Switch Output
  7. Connect the GDS cable to the data link connector in the lower driver-side crash pad cover, GDS plug.
  8. Select the vehicle model and the SMART KEY system.
  9. Select "SMART KEY Device".
  10. After ALL ON, select "Current Data".
  11. You can view the status of each switch on the scan tool after connecting the "Current Data" process.
    Display Description
    INT. ROCKING MIDDLE ON: The button on the door side handle is turned on. Driver.
    FRONT ROCKER INT. ON: The button on the door side handle is turned on. Passenger.
    Trunk Opener Switch ON: Trunk lid button is on.
    P Position Factor ON: The shift lever is in the P position.
    ALL 1 ON: The ALL switch is in the ALL position.
    SOUND ON: The ALL switch is in the ACC position.
    BRAKE switch ON: Brake switch is on.
  12. Communication Diagnosis checks whether each connected component is operating normally.
  13. Connect the GDS cable to the data link connector in the lower driver-side crash pad cover to prevent collisions from the driver's side.
  14. After ALL ON, select "DTC".
  15. Connect the GDS cable to the data link connector in the lower driver-side crash pad cover to prevent collisions from the driver's side.
  16. After ALL ON, select "Operation Check".
  17. Place the Smart Key near the corresponding antenna and use with GDS.
  18. If the smart key LED blinks, the smart key is normal.
  19. If the Smart Key LED does not blink, check the voltage of the Smart Key battery.
  20. Antenna Activation
    • Antenna No. 1 INTERIOR
    • Antenna No. 2 INTERIOR
    • BUMPER/Antenna
    • Driver Door Antenna
    • Passenger door antenna
  21. Connect the GDS cable to the data link connector in the lower driver-side crash pad cover to prevent collisions from the driver's side.
  22. Select "Antenna Status Check".
  23. After ALL ON, select "Antenna Status Check".
  24. Place the Smart Key near the corresponding antenna and use with GDS.
  25. If the Smart Key operates normally, the corresponding antenna, Smart Key (transmission, reception) and external receiver are normal.
  26. Antenna Status
    • Antenna No. 1 INTERIOR
    • Antenna No. 2 INTERIOR
    • BUMPER/Antenna
    • Driver Door Antenna
    • Passenger door antenna
  27. Connect the GDS cable to the data link connector in the lower driver-side crash pad cover to prevent collisions from the driver's side.
  28. After ALL ON, select "FOB KEY STATUS INFO".
  29. Connect the GDS cable to the data link connector in the lower driver-side crash pad cover to prevent collisions from the driver's side.
  30. After ALL ON, select "SMK STATUS INFO".
  31. Connect the GDS cable to the data link connector in the lower driver-side crash pad cover to prevent collisions from the driver's side.
  32. After ALL ON, select "Override Mode".
The following three diagnoses will lead to problem resolution. Main problem. Switch diagnosis. Communication diagnosis using GDS (automatic diagnosis). Antenna operation diagnosis. Antenna status check. FOB status check. Smart key status check. Neutralization status check.

Test yourself

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