Hyundai Accent: Motor Driven Power Steering / MDPS Motor

- Replacement

1.Disconnect the battery negative cable and wait for at least three minutes before beginning work.

2.Put a flat tool (Ø4mm) into a guide hole located in the bottom of steering wheel and press a spring.

• When put a tool into a hole, make sure not to damage an airbag cusion by a tool.

3.Turn a steering wheel anti-clockwise, so make a guide hole (A) shown on the rightside.Put a tool into a hole (A) and bend back a fixed DAB spring.Make sure to pull DAB cover when bend back the spring.

• Pull the DAB cover when disengaging the DAB spring because the DAB does not pop up automatically.

4.Turn a steering wheel clockwise. Put a tool into a hole (A) and bend back a fixed DAB spring. Make sure to pull DAB cover.

• Be careful not to put a tool into a wrong hole.

5.Release the connector locking pin, then disconnect the driver airbag module connector (A) and horn connector (B).

• The removed airbag module should be stored in a clean, dry place with the pad cover facing up.

6.Disconnect the clock spring connector.

7.Remove the steering wheel by loosening the lock bolt (A).

8.Remove the steering column upper shroud (A).

9.Loosen the screw and then remove the lower shroud.

10.Disconnect the connector.

11.Remove the clock spring (A).

12.Disconnect the multifunction switch connector.

13.Loosen the screw and then remove the multifunction switch.

14.Remove the crash pad lower panel.(Refer to Body - "Crash Pad")

15.Remove the fixed clip and then remove the wiring from the steering column.

16.Disconnect MDPS ECU connector.

17.Remove the shower duct.

18.Remove the steering column ＆ EPS unit assembly by loosening the mounting bolt and nuts.

Tightening torque Nut : 25.0 - 29.4 N.m (2.5 - 3.0 kgf.m, 14.5 - 21.7 lb-ft)Bolt : 44.1 - 49.0 N.m (4.5 - 5.0 kgf.m, 32.5 - 36.2 lb-ft)

19.Remove the motor by loosening the bolts and then replace the new one.

Tightening torque :14.7 - 21.6 N.m (2.5 - 3.0 kgf.m, 18.1 - 21.7 lb-ft)

20.Install in the reverse order of removal.

21.Conduct the "ASP Calibration" and "EPS Type Recognition" by GDS.(Refer to MDPS motor - "Diagnosis with GDS ")

22.Remove the DTC.

23.Turn off the IGN switch and wait for 20 seconds or more. Then check the operation after starting the engine.

– 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 (GDS) check if the battery voltage is proper before perform the "ASP Calibration".

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

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

ASP Calibration procedures

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 "ASP Calibration" on GDS 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.