Airflow Meter/Sensor: Inspection

Inspect airflow meter for damage and ensure measuring plate moves smoothly. See Fig 1 . Disconnect airflow meter connector. Move measuring plate and measure resistance between terminals. See AIRFLOW METER TERMINAL RESISTANCE table.

AIRFLOW METER TERMINAL RESISTANCE

Terminals

Fully Closed Ohms

Fully Open Ohms

E2-Vs

20-400

20-1000

E2-Vc

⁽¹⁾ 100-300

E2-Vb

200-400

E2-THA

⁽²⁾ 13,600-18,400

⁽³⁾ 2200-2700

⁽⁴⁾ 500-700

E1-Fc

Infinite

⁽¹⁾	100-400 ohms on MX-6 and 626.

⁽²⁾	Tested at -4°F (-20°C).

⁽³⁾	Tested at 68°F (20°C).

⁽⁴⁾	Tested at 140°F (60°C).

Fig 1: Airflow Meter & Connector

Courtesy of MAZDA MOTORS CORP.