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Home >> Hyundai >> 2020 >> 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).
    G14082170Courtesy 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 LOWER PANEL ")

  9. Remove the fixed clip and then remove the wiring from the steering column.
    G14082171Courtesy of HYUNDAI MOTOR AMERICA
  10. Disconnect MDPS ECU connector.
    G14082172Courtesy of HYUNDAI MOTOR AMERICA
    G14082173Courtesy 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)

    G14082174Courtesy of HYUNDAI MOTOR AMERICA
    G14082175Courtesy of HYUNDAI MOTOR AMERICA
  12. Remove the motor by loosening the bolts and then replace the new one.
    G14082176Courtesy of HYUNDAI MOTOR AMERICA
  13. Install in the reverse order of removal.
  14. Perform the "Inputting 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)".
      G14082177Courtesy of HYUNDAI MOTOR AMERICA
    5. Follow the instructions shown on the screen.
      G14082178Courtesy of HYUNDAI MOTOR AMERICA
      G14082179Courtesy of HYUNDAI MOTOR AMERICA
      G14082180Courtesy 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- "ASP Calibration Procedures ")

  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.
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