When ASC-ECU Is Replaced
- Park the vehicle on a level surface with tires and steering wheel positioned in a straight ahead direction.
- Turn the ignition switch to the ON position.
- 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.
- Check that the ignition key is in the LOCK (OFF) position, and then set scan tool.
- Turn the ignition switch to the ON position.
- On the Menu, select "System selection."
- In "System table" of "System selection," select "Steering angle sensor," and then press the "OK" button.
- In "Steering angle sensor," select "Special function."
- 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.
- 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.
- "Initialize neutral position of steering angle sensor: Completed" is displayed. Then, press the "OK" button.
- Press the "OK" button.
- "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.
- "Learn neutral position of steering angle sensor: Completed" is displayed. Then, press the "OK" button.
- After turning the ignition switch to LOCK (OFF) position, turn it to the ON position again.
- On the Menu, select "System selection."
- On the "System selection," select "ABS/ASC/ASTC/WSS" in the "System table," and then click the "OK" button.
- In the "ABS/ASC/ASTC/WSS" field, select "Special function".
- In the "Special function," select "Learn sensor neutral position."
- In "Learn sensor neutral position," select "Learn neutral position of steering angle sensor," and then press the "OK" button.
- "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.
- "Execute command: Executed" is displayed. Then, press the "OK" button.
- 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.
- The neutral point is learned.
- Turn the ignition key to the LOCK (OFF) position, and remove scan tool from the vehicle.