1. Throttle position sensor; 2. Throttle servo motor; 3. Accelerator position sensor; 4. ECU (engine control unit); 5. ETV main CPU (32 bit); 6. FI CPU (32 bit); 7. Throttle servo motor driver; 8. Throttle servo motor driver operation sens-ing/shut off circuit; 9. Throttle servo motor driver operation sensing feedback/emergency stop; 10. Emergency stop; 11. Engine revolution (pulse signal); 12. Sensor input; 13. Neutral switch; 14. Crankshaft position sensor; 15. Speed sensor; 16. Coolant temperature sensor; 17. Atmospheric pressure sensor; 18.Intake funnel servo motor driver; 19. Intake funnel servo motor