Test Function No. 21 - Software Reset

This function is locked and needs to be unlocked via the procedure in Function Test No. 19. This function activates a reset of the software by the processor. This can also be performed using T4.When function 21 is entered the display shows 'RESET?'. If the trip reset button is depressed the system reset will be performed. If reset is not required, exit the test function by pressing the check control button or turning the ignition off.