Small injection quantity learning

This function is used to perform injector calibration. Calibration shall be performed after replacing engine control unit and/or injector.
Test conditions:
Procedure:
  1. Start the function.
  2. A dialogue box shows status for coolant temperature, fuel temperature, system voltage, and fuel pressure regulator. Wait for correct temperature, see test conditions.
  3. If fuel pressure regulator shows status: "Not learned, exit and run the function "Learn fuel pressure regulator".
  4. Press "OK" to start the learning process.
  5. A dialogue box shows learning status. The function finishes automatically when learning is done.
  6. The function is done.
If the calibration failed, check test conditions. NOTE! The temperature must remain within the limit values.