Airflow Meter

Turn ignition off. Unplug wiring connector from air- flow meter. Note terminal identification. See Fig 2 and Fig 3. Use ohmmeter to measure resistance between specified terminals. See AIRFLOW METER RESISTANCE SPECIFICATIONS table. Replace airflow meter if not within specification.

Fig 1: Identifying Airflow Meter Components

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 2: Airflow Meter Terminal ID (2.4L)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 3: Airflow Meter Terminal ID (3.0L)

AIRFLOW METER RESISTANCE SPECIFICATIONS

Terminals		Ohms
E2-Vc		100-300
E2-Vb		200-400
E1-Fc
Measuring Plate Fully Closed		No Continuity
Measuring Plate Fully Open		0
E2-Vs
Measuring Plate Fully Closed		20-400
Measuring Plate Fully Open		20-1000
E2-THA
-4°F (20°C)		10,000-20,000
32°F (0°C)		4000-7000
68°F (20°C)		2000-3000
104°F (40°C)		900-1300
140°F (60°C)		400-700