MDPS ECU

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
   Loosen the bolts and remove the MDPS ECU.

   

5. 5
   Installation is the reverse of removal.
6. 6
   Perform “Steering Angle Sensor (SAS) Calibration” and “Steering Torque Zero Point Setting”.
7. 7
   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.