1. Electronic control unit.
The electronic control unit is the core of the engine electronic control system. It completes the collection of various parameters of the engine and the control of fuel injection volume and timing, and determines the function of the entire electronic control system.
2. Sensors.
3. Actuator.
1. Activated carbon tank
2. Air flow meter
3. Throttle body
4. Carbon tank solenoid valve
5. Intake pressure sensor
6. Vortex control valve
7. High pressure oil poly
8. High pressure injector
9. Camshaft adjuster
10. Ignition module and spark plug
11. Camshaft position sensor
12. Front oxygen sensor
13. Engine control module
14. EGR valve
15. Speed sensor
16. Knock sensor
17. Engine temperature sensor 18. Main catalytic converter
19. Rear oxygen sensor
20. Secondary catalytic converter
21. CAN interface
22. Fault light
23. Diagnostic interface
24. Anti-theft control system control unit interface
25. Accelerator pedal module
26. Fuel tank
27. Electrically controlled fuel pump
The automotive electronic control system is basically composed of sensors, electronic controller (ECU), driver and other parts, and the core component is the electronic controller. Works with the mechanical systems on the car (usually integrated with subsystems in the powertrain, chassis and body systems) and transmits information to each other using cables or radio waves, the so-called “mechatronics integration”, such as electronic fuel injection systems, Anti-lock brake control system, anti-skid control system, electronically controlled suspension system, electronically controlled automatic transmission, electronic power steering, etc. 
The electronically controlled ignition device is composed of a microprocessor, a sensor and its interface, and an actuator. The device calculates and judges according to the engine parameters measured by the sensor, and then adjusts the ignition time, so that the engine can work at the best ignition advance angle under different speeds and intake air volumes, so that the engine output can be maximized. Power and torque, reduce fuel consumption and emissions, save fuel and reduce air pollution.
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