To detect intake air temperature and send signals to the microcomputer. To detect coolant temperature and send signals to the micro computer. To detect the speed of the crankshaft and send signals to the micro computer. The computer then controls ignition timing and fuel injection volume accurately. To detect the angular position of camshaft and send signals to the micro computer.
Computer then determines fuel injection and ignition timing for both cylinders.
To detect right and left intake pipe pressure and send signals to the micro comp.