MDPS Motor

Repair Procedures

Replacement

1. 1
   Disconnect the battery negative cable.
2. 2
   Remove the lower instrument panel cover. (Refer to Body - "Lower Instrument Panel Cover")
3. 3
   Disconnect the MDPS ECU connector.

   

4. 4
   Disconnect all connectors connected to the steering column.
5. 5
   Loosen the nuts (A) and bolt (B), then remove the steering column assembly. Tightening torque: (A) 24.5–29 N·m (B) 53.9–59 N·m

   

   

6. 6
   Loosen the MDPS motor bolts and remove the MDPS motor.

   

7. 7
   Apply grease to the new MDPS motor. Type: Multemp MM-B Part No.: YSBB0-91105FFF Quantity: 0.7–1.2 g (approx. 50 mm (0.1979 in.))

   

8. 8
   Install the MDPS motor.

   Tightening torque: 14.7–22 N·m

   

9. 9
   Installation is the reverse of removal.
10. 10
    Perform “Steering Angle Sensor (SAS) Calibration” and “Steering Torque Zero Point Setting”.
11. 11
    Turn the IGN switch OFF and wait 10 seconds or more. Then check operation after starting the engine.

Diagnosis Using KDS

1. 1
   Connect the self-diagnosis connector (16-pin) located under the driver's side panel to the self-diagnosis device, then turn the self-diagnosis device on after turning the ignition key ON.
2. 2
   On the KDS vehicle selection screen, select the "Vehicle Model" and "Motor Driven Power Steering".
3. 3
   On the KDS screen, select "Steering Angle Sensor (SAS) Calibration", then select "OK".
4. 4
   Continue the test according to the instructions on the screen.

   

   

   

   

   

5. 5
   On the KDS screen, select "Set Steering Wheel Torque Zero Point", then select "OK".
6. 6
   Continue the test according to the instructions on the screen.

   

   

   

   

7. 7
   Clear the diagnostic trouble code.
8. 8
   Turn the IG switch OFF and wait at least 10 seconds before starting the engine. Then check that the MDPS operates correctly.