What are the sensors, actuators, and control mechanisms? How are they related?
Sensor intake temperature, intake air pressure sensor, solar term door position sensor, crankshaft position sensor, camshaft position sensor, temperature sensor, knock sensor, oxygen sensor. These sensors have independent functions, but they are closely matched, are indispensable. After the failure of a sensor, the engine may not be able to start, or cause the engine to work.
The executive body of the injector, duct, fuel pressure regulator, ignition wire, charcoal canister fuel pump, stepper motor etc..
Control mechanism: ECU.
The relationship between them: the sensor signal indicates the operating status of electrical parameters of the engine under various operating conditions, and passed to the ECU ECU, according to certain procedures, through calculation and comparison to determine the new signal, then ordered the execution. At the same time, ECU can store all the relevant parameters of the engine, but also can store the sensor fault code, although ECU can not express the failure of the actuator, but their drive part is able to express and can be stored.
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