4.sensor MAP.pdf - SISTEMA SENSOR DE CONTROL DE EMISIONES 12 DE PRESI\u00d3N BAROM\u00c9TRICA(MAP INTRODUCCI\u00d3N El sensor de presi\u00f3n barom\u00e9trica(MAP reporta

4.sensor MAP.pdf - SISTEMA SENSOR DE CONTROL DE EMISIONES...

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118 S ISTEMA DE C ONTROL DE E MISIONES 12 S ENSOR DE P RESIÓN B AROMÉTRICA (MAP) I NTRODUCCIÓN El sensor de presión barométrica (MAP) reporta el nivel de voltaje de acuerdo al nivel de vacío del motor, el cual varía dependiendo de la abertura del estrangulador. La computa- dora usa este dato con el dato de las RPM para calcular el nivel de carga del motor y así poder activar los inyectores en el tiempo adecuado. Para el cálculo intervienen otros datos tales como el nivel de oxígeno en los gases del escape, la temperatura del motor, etc. El sensor MAP se localiza atrás del pleno de admisión. E QUIPO Y HERRAMIENTAS • Scanner • Probador de sensores • Multímetro • Juego de llaves • Juego de desarmadores • Juego de autocle M ATERIALES REQUERIDOS Limpiador antisulfatante
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119 S ISTEMA DE C ONTROL DE E MISIONES Descripción del sensor MAP El sensor MAP monitorea la presión dentro del múltiple de admisión y se utiliza para calcular la masa de aire entrante al motor. La computadora utiliza este cálculo para determinar
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