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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.