Calibration of steering angle sensor

This function is used to zero-compensate the value from the steering angle sensor.
Note:
Calibration should be done if:
Test prerequisites:
Procedure:
  1. Check that the steering wheel is in the correct position when the front wheels are straight ahead.
  2. Start the function and follow the instructions in the program.
  3. Start the engine.
  4. Turn the steering wheel to end position in both directions.
  5. Make sure that similar angle is reached on both sides. At deviation over 20%, must the steering angle sensor center position and wheel alignment be checked.
  6. The function is done.
  7. Turn off the ignition for at least 10 seconds.
  8. Perform a self test and erase any fault codes.