MASS AIR FLOW (MAF) SENSOR [WITHOUT CYLINDER DEACTIVATION (SKYACTIV-G 2.0, SKYACTIV-G 2.5)]

id0140m1007000


Purpose/Function

•  Detects the intake airflow amount introduced into the cylinder as basic information (mainly used to determine the fuel injection amount) and sends it to the PCM as an intake airflow amount signal.

Construction

•  Installed on the air cleaner.
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•  A hot film has been adopted as the detecting element for detecting the intake airflow amount.
•  IAT sensor No.1 is integrated.
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Operation


Without coolant control valve

•  Sends the signal, which fluctuates according to the intake airflow amount, to the PCM.
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MAF sensor characteristic

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With coolant control valve

•  Sends a signal to the PCM via SENT communication which fluctuates according to the intake airflow amount.
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Fail-safe

DTC No.

Fail-safe function
P0102:00
•  Restricts the upper limit of the engine speed.
•  Inhibits the evaporative purge control.
P0103:00
•  Restricts the upper limit of the engine speed.
•  Inhibits the evaporative purge control.