Hyundai Kona Quiz
Steering

MDPS Control Unit Repair Procedures

In this manual: Steering
General Information — 17Engine Mechanical System — 85Engine Electrical System — 50Emission Control System — 26Engine Control System/Fuel System — 152DCT (Dual Clutch Transmission) System — 50Four-Wheel Drive (4WD) System — 21Propeller Shaft and Axle (2WD-FF) — 28Suspension System (without ECS) — 32Steering — 21Restraints — 38Brake System — 64Body (Interior and Exterior) — 205Body Electrical System — 1Heating, Ventilation, and Air Conditioning — 66
16steps
~96min
4/5difficulty
0102030405023.517N·mlb·ft
Tightening torque found on this page
Done 0 of 16

Replacement

  1. Perform "ECU Data Backup" using GDS by following the procedure below.
    1. Connect the self-diagnosis connector (16-pin), located in the lower panel on the driver's side, to the diagnostic device.
    2. Turn on the scan tool after turning the ignition switch ON.
    3. After selecting "Vehicle Model" and "EPS System" on the GDS vehicle selection screen.
    4. Select "Parts Replacement (Power Steering ECU)".
    5. Follow the on-screen instructions.
    6. Enter the VIN, then select "Read" to save the ECU information.
  2. Disconnect the negative battery cable from the battery and wait at least 30 seconds.
  3. Remove the emergency pad lower panel. (Refer to Body - "Emergency Pad Lower Panel")
  4. Disconnect the connectors (A) and (B) from the MDPS control unit.
  5. Remove the MDPS control unit (A) from the steering column after loosening the bolts (B).

    Tightening torque: 19.6–24 N·m

  6. Install in the reverse order of removal.
  7. Perform the "ECU Data Recovery" using the GDS, following the procedure below.
    1. Connect the self-diagnosis connector (16-pin), located in the lower panel on the driver's side, to the diagnostic device.
    2. Turn on the scan tool after turning the ignition switch ON.
    3. After selecting "Vehicle Model" and "EPS System" on the GDS vehicle selection screen.
    4. Select "Parts Replacement (Power Steering ECU)".
    5. Follow the on-screen instructions.
    6. Enter the VIN, then select "Write" to save the ECU information.
  8. Perform "ASP Calibration" using the GDS. (Refer to MDPS Control Unit - "Diagnosis Using GDS")
  9. Clear the diagnostic trouble code, then perform "MDPS (Power Steering Drive Motor) Check" from GDS. (Refer to Motor Driven Power Steering - "MDPS Performance Check")
  10. Turn the IGN switch OFF and wait 10 seconds or more. Then check operation after starting the engine.

Diagnosis with GDS

  • The steering angle sensor detects the steering wheel angle and steering wheel angular speed. The steering angle and steering speed are used for steering wheel damping and return control in addition to steering assist torque.

ASP Calibration Procedures

  1. Connect the self-diagnosis connector (16-pin), located in the lower panel on the driver's side, to the diagnostic device.
  2. Turn on the scan tool after turning the ignition switch ON.
  3. Turn the steering wheel to the straight-ahead position.
  4. After selecting "Vehicle Model" and "System", select "ASP Calibration" on the GDS vehicle selection screen.
  5. Clear the diagnostic trouble code.
  6. Turn the IG switch OFF and wait at least 10 seconds before starting the engine. Then check that the MDPS operates correctly.

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