What is the function of the detonation sensor in the gasoline engine control system? I - The detonation sensor is responsible for detecting the de...
What is the function of the detonation sensor in the gasoline engine control system?
I - The detonation sensor is responsible for detecting the detonation in the engine and sending a signal to the engine control unit (ECU).
II - The ECU receives the signal from the detonation sensor and advances the ignition timing to eliminate detonation.
III - The detonation sensor generates a DC voltage when the engine detonation causes a vibration in the cylinder block and deforms the element.
IV - The detonation frequency of the engine is in the range of 6 to 13 kHz depending on the engine model.
a) I and II are correct.
b) II and III are correct.
c) I, III, and IV are correct.
d) All statements are correct.
I - The detonation sensor is responsible for detecting the detonation in the engine and sending a signal to the engine control unit (ECU).
II - The ECU receives the signal from the detonation sensor and advances the ignition timing to eliminate detonation.
III - The detonation sensor generates a DC voltage when the engine detonation causes a vibration in the cylinder block and deforms the element.
IV - The detonation frequency of the engine is in the range of 6 to 13 kHz depending on the engine model.
a) I and II are correct.
b) II and III are correct.
c) I, III, and IV are correct.
d) All statements are correct.
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Ed 
A função do sensor de detonação no sistema de controle do motor a gasolina é detectar a detonação no motor e enviar um sinal para a unidade de controle do motor (ECU). A ECU recebe o sinal do sensor de detonação e avança o ponto de ignição para eliminar a detonação. Além disso, o sensor de detonação gera uma tensão contínua quando a detonação do motor causa uma vibração no bloco do cilindro e deforma o elemento. A frequência de detonação do motor está na faixa de 6 a 13 kHz, dependendo do modelo do motor. Portanto, a alternativa correta é a letra c) I, III e IV estão corretas.
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