Hyundai Tucson: Motor Driven Power Steering / MDPS PowerPack Assembly

- Replacement

1.Turn the steering wheel so that the front wheels are placed in the straight ahead position.

2.Turn the ignition switch OFF and disconnect the battery negative (-) cable.

3.Remove the driver airbag (DAB).(Refer to Restraint - "Driver Airbag (DAB) Module and Clock Spring")

4.Remove the steering wheel.(Refer to Steering System - "Steering wheel")

5.Remove the clock spring.(Refer to Restraint - "Driver Airbag (DAB) Module and Clock Spring")

6.Remove the multifunction switch.(Refer to Body Electrical System - "Multifunction switch")

7.Remove the steering column shroud lower panel.(Refer to Body - "Steering Column Shroud lower Panel")

8.Remove the crash pad lower pannel.(Refer to Body - "Crash Pad Lower Pannel")

9.Remove the brake pedal.(Refer to Brake System - "Brake Pedal")

10.Disconnect the MDPS connector (A, B).

11.Remove the steering column assembly after loosening the mounting nuts (A) and bolt (B).

Tightening torque (A) : 25.0 - 29.4 N.m (2.5 - 3.0 kgf.m, 14.5 - 21.7 lb-ft)(B) : 53.9 - 58.8 N.m (5.5 - 6.0 kgf.m, 39.8 - 43.4 lb-ft)

12.Remove the MDPS power pack (A) after loosening the mounting bolts.

Tightening torque :15.0 - 22.0 N.m (1.53 - 2.24 kgf.m, 11.1 - 16.2 lb-ft)

13.Install a new power pack.

• When installing a new power pack, be sure to check whether the coupling is assembled before installing it.

14.To install, reverse the removal procedures.

15.Conduct the "EPS Type Recognition" by diagnostic tool.(Refer to MDPS PowerPack Assembly - "Diagnosis with diagnostic tool")

16.Conduct the "ASP Calibration" by diagnostic tool.(Refer to MDPS PowerPack Assembly - "Diagnosis with diagnostic tool")

17.Check the DTC.

EPS Type Recognition

• When missing the EPS Type Recognition, occure a problem with motor driven power steering performance.

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.Turn the steering wheel to straight ahead position.

4.After Selecting the "vehicle model" and "system", select the "EPS Type Recognition" on diagnostic tool vehicle selection screen.

5.Remove the DTC.

6.Turn off the IG switch and wait for 20 seconds or more before starting the engine. And then make sure that MDPS works properly.SAS Calibration

– Steering- angle sensor detects the steering angle and steering angle speed. Steering angle and steering angle speed are used for steering wheel damping and return controls in addition to providing assistance torque.

• You can use a scan tool to (diagnostic tool) check if the battery voltage is proper before perform the "SAS Calibration".

• Make sure that no connector engaged to the vehicle or scan tool is disconnected during the "SAS Calibration".

• Once the "SAS Calibration" is complete, turn off the IG switch and wait for 10 seconds or more before starting the engine to check the operation.

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.Turn the steering wheel to straight ahead position.

4.After Selecting the "vehicle model" and "system", select the "SAS Calibration" on diagnostic tool vehicle selection screen.

5.Remove the DTC.

6.Turn off the IG switch and wait for 10 seconds or more before starting the engine. And then make sure that MDPS works properly.