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Home >> Subaru >> 1994 >> Impreza Base >> Repair and Diagnosis >> Engine Performance >> Sensor Range Charts >> Engine Controls - Sensor Operating Range Charts >> Sensor Operating Range Charts >> Mass Airflow Sensor

Mass Airflow Sensor

MASS AIRFLOW SENSOR VOLTAGE

Application (1) Volts
ECU Pin No. 1 & Ground (1)
Engine Off Zero
At Idle Zero
ECU Pin No. 5 & Ground (1)
Engine Off 0.0-0.3
At Idle 0.8-1.2
ECU Pin No. 11 & Ground (1)
Engine Off Zero
At Idle Zero
(1) Connect voltmeter between indicated ECU terminal and a good known ground.
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