This function is used to calibrate the climate control unit stepper motors. This needs to be done when the stepper motors or the climate control unit has been replaced.
Test conditions:
Battery voltage above 20 V.
Engine on.
Parking brake applied.
AC activated.
Procedure:
Start the function.
Check test conditions.
Press the "OK" button.
The calibration takes about 2 minutes.
Press "OK" to exit the function.
The function is done.
If the function fails, check the test conditions and try again.