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Home >> Hyundai >> 2020 >> Elantra GT Base >> Repair and Diagnosis >> Steering >> Electronic Steering >> Motor Driven Power Steering System >> MDPS Motor >> Repair Procedures >> Replacement

Repair Procedures: Replacement

  1. Disconnect the battery negative cable from the battery and then wait for at least 30 seconds.
  2. Turn the steering wheel so that the front wheels are placed in the straight ahead position.
  3. Remove the driver airbag module (DAB).
    G13032299Courtesy of HYUNDAI MOTOR AMERICA
    NOTE:
    • Insert the end of the flat tool along the guide hole.
  4. Disconnect the airbag module connector (A) and horn connector (B).
    G13032300Courtesy of HYUNDAI MOTOR AMERICA
  5. Disconnect the connector and then remove the steering wheel by loosening the lock bolt.

    Tightening Torque: 

    44.1 - 49.0 N.m (4.5 - 5.0 kgf.m, 32.5 - 36.2 lb-ft)

    G13032301Courtesy of HYUNDAI MOTOR AMERICA
    NOTE:
    • Do not reuse the steering lock bolt.
    • When assembling, match the gear teeth as the below image.
      G13032302Courtesy of HYUNDAI MOTOR AMERICA
  6. Remove the lower shroud (B) by loosening the screw after removing the upper shroud (A).
    G13032303Courtesy of HYUNDAI MOTOR AMERICA
  7. Disconnect the clock spring connector.
    G13032304Courtesy of HYUNDAI MOTOR AMERICA
  8. Remove the clock spring (A).
    G13032305Courtesy of HYUNDAI MOTOR AMERICA
    NOTE:
    • When installing, follow the procedures below.

      [Clock Spring Manual Neutral Setting Procedure] 

      1. Turn the clock spring clockwise until it stops.
        G13032306Courtesy of HYUNDAI MOTOR AMERICA
      2. When it comes to a stop, turn it counter-clockwise and align the neutral mark (> <).
        G13032307Courtesy of HYUNDAI MOTOR AMERICA
  9. Disconnect the multifunction switch connector.
    G13032308Courtesy of HYUNDAI MOTOR AMERICA
  10. Loosen the screw and then remove the multifunction switch.
    G13032309Courtesy of HYUNDAI MOTOR AMERICA
  11. Remove the crash pad lower panel.

    (Refer to Body - "CRASH PAD ")

  12. Remove the knee airbag (A).
    G13032310Courtesy of HYUNDAI MOTOR AMERICA
  13. Disconnect the MDPS ECU connector.
    G13032311Courtesy of HYUNDAI MOTOR AMERICA
    G13032312Courtesy of HYUNDAI MOTOR AMERICA
  14. Remove the fixed clip (A) and then remove the wiring from the steering column.
    G13032313Courtesy of HYUNDAI MOTOR AMERICA
  15. Remove the MDPS assembly by loosening the mounting nuts (A) and bolt (B).

    Tightening Torque: 

    Nut: 25.0 - 29.4 N.m (2.5 - 3.0 kgf.m, 14.5 - 21.7 lb-ft)

    Bolt: 44.1 - 49.0 N.m (4.5 - 5.0 kgf.m, 32.5 - 36.2 lb-ft)

    G13032314Courtesy of HYUNDAI MOTOR AMERICA
    G13032315Courtesy of HYUNDAI MOTOR AMERICA
  16. Remove the motor by loosening the bolts and then replace the new one.
    G13032316Courtesy of HYUNDAI MOTOR AMERICA
  17. Install in the reverse order of removal.
  18. Perform the "Inputting the Motor Constant Value" by GDS following in the order below.
    1. Connect Self-Diagnosis connector (16-pins) located in the lower of Driver Side Crash Pad to Self-Diagnosis device.
    2. Turn the Self-Diagnosis device after key is ON.
    3. Select the "Vehicle Model" and "EPS system" on GDS vehicle selection screen.
    4. Select the "Part Exchange (Power Steering Motor)".
      G13032317Courtesy of HYUNDAI MOTOR AMERICA
    5. Follow the instructions displayed on the screen.
      G13032318Courtesy of HYUNDAI MOTOR AMERICA
      G13032319Courtesy of HYUNDAI MOTOR AMERICA
      G13032320Courtesy of HYUNDAI MOTOR AMERICA
      CAUTION:
      • Entering incorrect motor constant value may cause a serious problem in the MDPS.
  19. Conduct the "ASP Calibration" by GDS.

    (Refer to MDPS Motor - "DIAGNOSIS WITH GDS ")

  20. Remove the DTC.
  21. Turn off the IGN switch and wait for 10 seconds or more. Then check the operation after starting the engine.
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