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Home >> Hyundai >> 2019 >> Elantra Value Edition >> Repair and Diagnosis >> Steering >> Electronic Steering >> Motor Driven Power Steering System >> MDPS Motor >> Repair Procedures >> Replacement
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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 - "AIRBAG MODULES 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).
    G12973075Courtesy of HYUNDAI MOTOR AMERICA
  6. Remove the clock spring.

    (Refer to Restraint - "AIRBAG MODULES 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.
    G12973076Courtesy of HYUNDAI MOTOR AMERICA
  10. Disconnect MDPS ECU connector.
    G12973077Courtesy of HYUNDAI MOTOR AMERICA
    G12973078Courtesy 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)

    G12973079Courtesy of HYUNDAI MOTOR AMERICA
    G12973080Courtesy of HYUNDAI MOTOR AMERICA
  12. Remove the motor by loosening the bolts and then replace the new one.
    G12973081Courtesy 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)".
      G12973082Courtesy of HYUNDAI MOTOR AMERICA
    5. Follow the instructions shown on the screen.
    G12973083Courtesy of HYUNDAI MOTOR AMERICA
    G12973084Courtesy of HYUNDAI MOTOR AMERICA
    G12973085Courtesy 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.
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