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Home >> Toyota >> 1993 >> Pickup Base, W55 >> Repair and Diagnosis >> External Pages >> Different car >> Section 11 (Engine Controls - Theory & Operation) >> Computerized Engine Controls >> Input Devices >> Airflow Sensor

Airflow Sensor

WARNING: This page is about a different car, the 1993 Toyota T100. However, it is still accessible from the selected car via links, so may be relevant.

Airflow sensor is located in airflow meter and measures intake airflow volume. Airflow meter converts intake air readings into a voltage signal by means of a variable resistor (potentiometer). Input signal is sent to Engine Control Module (ECM) for controlling fuel injection system operation and ignition timing (spark advance).

NOTE: Airflow meter may be referred to as Volume Airflow (VAF) meter or Mass Airflow (MAS) meter.
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