Steering

MDPS Motor

20steps
~120min
4/5difficulty
02040608010058.843N·mlb·ft
Tightening torque found on this page
Done 0 of 20

Repair Procedures

Replacement

  1. Disconnect the negative battery cable.

  2. Turn the steering wheel so the front wheels face straight ahead.

  3. Remove the steering column lower cover panel.

    (Refer to Body (Interior and Exterior) – "Steering Column Shroud Panel")

  4. Remove the airbag lower panel.

    (Refer to Body - "Lower Instrument Panel Cover")

  5. Disconnect the MDPS connector (A).

  6. Disconnect all connectors connected to the steering column.

  7. Loosen the steering column lower mounting bolt (A).

    Tightening torque: 53.9 - 59 N·m

  8. Loosen the steering column upper mounting nuts (A) and disconnect the steering column and shaft.

    Tightening torque: 24.5–29 N·m

  9. Loosen the bolts and remove the MDPS motor (A).

    Tightening torque: 7.8–11.8 N·m

  10. Perform "Motor Constant Input" using the KDS by following the procedure below.

    1. Connect the self-diagnosis connector (16-pin) located under the driver's side trim panel to the self-diagnosis device, then turn on the self-diagnosis device after turning the ignition key ON.

    2. Select "Vehicle Model" and "Electric Power Steering" on the KDS vehicle selection screen.

    3. Select "Replace Part (Power Steering Motor)" on the KDS screen, then select OK.

    4. Continue the test according to the instructions on the screen.

  11. Perform "Steering Angle Sensor (SAS) Calibration" and "Steering Torque Sensor Zero Point Adjustment."

  12. Turn the IGN switch OFF and wait 10 seconds or more. Then check operation after starting the engine.

Diagnosis Using KDS

Steering Angle Sensor (SAS) Calibration and Steering Torque Zero Point Adjustment

  1. Connect the diagnostic link connector (16-pin) located under the driver's side. Connect the diagnostic tool to the link connector, then turn the ignition on.

  2. On the KDS screen, select the "Vehicle Model" and "Electric Power Steering (EPS)" selection screens.

  3. On the KDS screen, select "Steering Wheel Angle Sensor (SAS) Calibration," then select OK.

  4. Continue the test according to the instructions on the screen.

  5. On the KDS screen, select "Set Steering Zero Torque," then select OK.

  6. Continue the test according to the instructions on the screen.

  7. Clear the diagnostic trouble code.

  8. Turn the IG switch OFF and wait at least 10 seconds before starting the engine. Then check that the MDPS operates correctly.

Test yourself

A quick Kia Forte BD quiz: every answer comes with an explanation and a link to the manual page.