Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Components

Mass Air Flow Meter

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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Sfi System: Mass or Volume Air Flow Sensor "A" Circuit Short to Battery (P010012,P010014)
DESCRIPTION The mass air flow meter sub-assembly is a sensor that measures the intake air volume using the following built-in components: By-pass duct (allows some of the intake air to flow past a silicon chip sensor) Silicon chip sensor (uses a heater control bridge circuit and temperature sensor b ...