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Home >> Kia >> 2020 >> Cadenza Technology >> Repair and Diagnosis >> Steering >> Steering Column >> Motor Driven Power Steering System >> MDPS Motor >> Repair Procedures >> Removal
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Repair Procedures: Removal

NOTE:
  • When a DTC related to MDPS motor occurs, check the connectors and wiring. If no problem is found, replace the motor.
  • 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.
  2. Remove the Steering Column Shroud Panel.

    (Refer to Body - "STEERING COLUMN SHROUD PANEL ")

  3. Remove the crash lower panel.

    (Refer to Body - "CRASH PAD LOWER PANEL ")

  4. Remove the knee airbag.

    (Refer to Restraint - "KNEE AIRBAG (KAB) ")

  5. Disconnect the MDPS connector.
    G13404160Courtesy of KIA MOTORS AMERICA, INC.
    G13404161Courtesy of KIA MOTORS AMERICA, INC.
  6. Disconnect all connectors from the steering column.
  7. Loosen the steering column nuts.

    Tightening torque: 

    24.5 - 29.4 N.m (2.5 - 3.0 kgf.m, 18.1 - 21.7 lb.ft)

    G13404162Courtesy of KIA MOTORS AMERICA, INC.
  8. Remove the brake switch.

    (Refer to Brake System - "STOP LAMP SWITCH ")

  9. Loosen the steering column bolt and then remove the steering column.

    Tightening torque: 

    53.9 - 58.8 N.m (5.5 - 6.0 kgf.m, 39.8 - 43.4 lb.ft)

    G13404163Courtesy of KIA MOTORS AMERICA, INC.
  10. Loosen the MDPS motor bolts and then disconnect the MDPS ECU connector after remove the MDPS motor.
    G13404164Courtesy of KIA MOTORS AMERICA, INC.
    NOTE:
    • Be careful not to damage the driver's seat when replacing the MDPS motor.
    • Be careful not to damage the MDPS motor & ECU.
    • If shock the motor, may occurs a noise caused by the bearing damage of motor inside.
  11. Perform the "Inputting the motor constant value" by KDS following in the order below.
    1. Connect self-diagnosis connector (16pins) located under the driver side crash pad to self-diagnosis device, and then turn the self-diagnosis device after key is ON.
    2. Select the "vehicle model" and "Motor Driven Power Steering" on KDS vehicle selection screen.
    3. Select the "Part replacement (Power steering Motor)" on KDS screen, then select OK.
      G13404165Courtesy of KIA MOTORS AMERICA, INC.
    4. Proceed with the test according to the screen instructions.
      G13404166Courtesy of KIA MOTORS AMERICA, INC.
      G13404167Courtesy of KIA MOTORS AMERICA, INC.
      G13404168Courtesy of KIA MOTORS AMERICA, INC.
      G13404169Courtesy of KIA MOTORS AMERICA, INC.
      G13404170Courtesy of KIA MOTORS AMERICA, INC.
      G13404171Courtesy of KIA MOTORS AMERICA, INC.
      NOTE: Entering incorrect motor constant value may cause a serious problem in the MDPS.
  12. Perform the " "STEERING ANGLE SENSOR (SAS) CALIBRATION AND SET THE STEERING FEEL TORQUE TO ZERO ".
  13. Turn off the IGN switch and wait for 10 seconds or more. Then check the operation after starting the engine.