LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mitsubishi >> 2013 >> Lancer Evolution MR >> Repair and Diagnosis >> Brakes >> Traction Control >> Active Stability Control System (ASC) - Lancer Evolution >> On-Vehicle Service >> Steering Wheel Sensor Calibration >> When ASC-ECU Is Replaced
April 5, 2026: LEMON Manuals is launched! Read the announcement.

When ASC-ECU Is Replaced

  1. Park the vehicle on a level surface with tires and steering wheel positioned in a straight ahead direction.
  2. Turn the ignition switch to the ON position.
  3. Turn the ignition key to the LOCK (OFF) position.
    CAUTION:

    Before connecting or disconnecting scan tool, always turn the ignition switch to the LOCK (OFF) position.

  4. Check that the ignition key is in the LOCK (OFF) position, and then set scan tool.
  5. Turn the ignition switch to the ON position.
  6. On the Menu, select "System selection."
  7. In "System table" of "System selection," select "Steering angle sensor," and then press the "OK" button.
  8. In "Steering angle sensor," select "Special function."
  9. In "Special function," select "Learn neutral position of steering angle sensor."
    NOTE: When the neutral position of steering angle sensor has been learned, "Neutral position learned already: in order to relearn the neutral position, press the OK button to initialize the steering angle sensor neutral position." is displayed. If it is okay, press the "OK" button.
  10. In "Learn neutral position of steering angle sensor," "Initialize neutral position of steering angle sensor" is selected, thus press the "OK" button.
    NOTE: When the neutral position of steering angle sensor has been learned, "Initialize neutral position of steering angle sensor: Do you want to execute?
    NOTE: The diagnostic trouble code will be erased." is displayed. Then, press the "OK" button.
  11. "Initialize neutral position of steering angle sensor: Completed" is displayed. Then, press the "OK" button.
  12. Press the "OK" button.
  13. "Learn neutral position of steering angle sensor: Do you want to execute?
    NOTE: Execute after the tires and steering wheel are aligned in a straight ahead direction." is displayed. Then, press the "OK" button.
  14. "Learn neutral position of steering angle sensor: Completed" is displayed. Then, press the "OK" button.
  15. After turning the ignition switch to LOCK (OFF) position, turn it to the ON position again.
  16. On the Menu, select "System selection."
  17. On the "System selection," select "ABS/ASC/ASTC/WSS" in the "System table," and then click the "OK" button.
  18. In the "ABS/ASC/ASTC/WSS" field, select "Special function".
  19. In the "Special function," select "Learn sensor neutral position."
  20. In "Learn sensor neutral position," select "Learn neutral position of steering angle sensor," and then press the "OK" button.
  21. "Learn neutral position of steering angle sensor: Are you sure to execute the selected item?
    NOTE: Check the execution conditions." is displayed. Then, press the "OK" button.
  22. "Execute command: Executed" is displayed. Then, press the "OK" button.
  23. In the "ABS/ASC/ASTC/WSS" field, select "Self diagnosis." If diagnostic trouble code of "C2205 SAS internal error (past failure)" is set, erase it.
  24. The neutral point is learned.
  25. Turn the ignition key to the LOCK (OFF) position, and remove scan tool from the vehicle.