Kia Forte BD Quiz
Steering

MDPS Control Unit

In this manual: Steering
General Information — 8Maintenance — 32Engine Mechanical System — 47Engine Electrical System — 17Emission Control System — 10Engine Control System/Fuel System — 32Clutch System — 11Manual Transmission — 11DCT (Dual Clutch Transmission) System — 16Drive Shaft and Axle — 8Suspension System — 26Steering — 9Restraints — 11Brake System — 27Body (Interior and Exterior) — 119Body Electrical System — 98Heating, Ventilation, and Air Conditioning — 27
17steps
~102min
4/5difficulty
0102030405023.517N·mlb·ft
Tightening torque found on this page
Done 0 of 17

Repair Procedures

Replacement

  1. Perform "ECU Data Backup" using KDS, 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. On the KDS screen, select "Part Replacement (Power Steering ECU)," then select OK.

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

  2. Disconnect the negative battery cable.

  3. Remove the airbag lower panel.

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

  4. Disconnect the MDPS ECU connectors (A).

  5. Loosen the mounting bolts (A) and remove the MDPS ECU (B).

    Tightening torque: 19.6–24 N·m

  6. Install in the reverse order of removal.

  7. Perform "ECU Data Restore" using KDS, 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. On the KDS screen, select "Part Replacement (Power Steering ECU)," then select OK.

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

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

  9. 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

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