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Airflow Meter

Visually check airflow meter body for cracks or damage. Using an ohmmeter, check resistance between airflow meter connector terminals. See Fig 1 . See AIRFLOW METER RESISTANCE specification table for resistance values.

Fig 1: Checking Airflow Meter Resistance
G36025
AIRFLOW METER RESISTANCE (NON-TURBO)

Terminal Ohms
E2 to Vs 50-500
E2 to Vref 200-500
E2 to THAa (1)
-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
E1 to Fc No Continuity
(1) Intake air temperature sensor.
AIRFLOW METER RESISTANCE (TURBO)

Terminal Ohms
E2 to Vs 200-600
E2 to Vref 200-400
E2 to THAa (1)
-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
E1 to Fc No Continuity
(1) Intake air temperature sensor.