FixVault
Home › Hyundai › 2017 › Elantra Value Edition › Repair and Diagnosis › Steering › Electronic Steering › Motor Driven Power Steering System › MDPS Motor › Repair Procedures › Replacement

Repair Procedures: Replacement

NOTE:
  • When a DTC related to MDPS motor occurs, check the connectors and wiring. If no problem is found, replace the motor.
CAUTION:
  • Be sure to check the last two digits of the constant in the barcode of new MDPS motor before replacing the motor.
  • Entering incorrect motor constant value may cause a serious problem in the MDPS.
  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).

    (Refer to Restraint - "DRIVER AIRBAG (DAB) MODULE AND CLOCK SPRING ")

  4. Remove the steering wheel.

    (Refer to Steering System - "STEERING WHEEL ")

  5. Loosen the screw and then remove the steering column upper (A) and lower shroud (B).
    Fig 1: Removing Steering Column Upper And Lower Shroud
    G12026403Courtesy of HYUNDAI MOTOR AMERICA
  6. Remove the clock spring.

    (Refer to Restraint - "DRIVER AIRBAG (DAB) MODULE AND CLOCK SPRING ")

  7. Remove the multifunction switch.

    (Refer to Body Electrical System - "MULTIFUNCTION SWITCH ")

  8. Remove the crash pad lower panel.

    (Refer to Body - "CRASH PAD ")

  9. Remove the fixed clip and then remove the wiring from the steering column.
    Fig 2: Removing Wiring From Steering Column
    G12026404Courtesy of HYUNDAI MOTOR AMERICA
  10. Disconnect MDPS ECU connector.
    Fig 3: Disconnecting MDPS ECU Connector (1 Of 2)
    G12026405Courtesy of HYUNDAI MOTOR AMERICA
    Fig 4: Disconnecting MDPS ECU Connector (2 Of 2)
    G12026406Courtesy of HYUNDAI MOTOR AMERICA
  11. Remove the steering column & EPS unit assembly by loosening the mounting bolt (B) and nuts (A).

    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)

    Fig 5: Removing Steering Column & EPS Unit Assembly (1 Of 2)
    G12026407Courtesy of HYUNDAI MOTOR AMERICA
    Fig 6: Removing Steering Column & EPS Unit Assembly (2 Of 2)
    G12026408Courtesy of HYUNDAI MOTOR AMERICA
  12. Remove the motor by loosening the bolts and then replace the new one.
    Fig 7: Removing Motor Bolts
    G12026409Courtesy of HYUNDAI MOTOR AMERICA
  13. Install in the reverse order of removal.
  14. Perform the "Input the motor constant value" by GDS following in the order below.
    1. Connect self-diagnosis connector (16pins) 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)".
      Fig 8: Screen Display - Part Exchange (Power Steering Motor)
      G12026410Courtesy of HYUNDAI MOTOR AMERICA
    5. Follow the instructions displayed on the screen.
    Fig 9: Screen Display - Part Exchange (Power Steering Motor; 1 Of 3)
    G12026411Courtesy of HYUNDAI MOTOR AMERICA
    Fig 10: Screen Display - Part Exchange (Power Steering Motor; 2 Of 3)
    G12026412Courtesy of HYUNDAI MOTOR AMERICA
    Fig 11: Screen Display - Part Exchange (Power Steering Motor; 3 Of 3)
    G12026413Courtesy of HYUNDAI MOTOR AMERICA
    CAUTION:
    • Entering incorrect motor constant value may cause a serious problem in the MDPS.
  15. Conduct the "ASP Calibration" by GDS.

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

  16. Remove the DTC and then perform the Conduct the "MDPS TEST (Motor Driven Power Steering)" by GDS.

    (Refer to Motor Driven Power Steering - "MDPS PERFORMANCE INSPECTION ")

  17. Turn off the IGN switch and wait for 10 seconds or more. Then check the operation after starting the engine.
About FixVault