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Mass Airflow Sensor

MASS AIRFLOW SENSOR VOLTAGE

Application (1) Volts
ECU Pin B5 & Ground (2)
Engine Off 0.0-0.3
At Idle 0.8-1.2
ECU Pin B6 & Ground (2)
Engine Off Zero
At Idle Zero
ECU Pin B11 & Ground (2)
Engine Off 10-13
At Idle 13-14
(1) Voltage should be greater when blowing air through inlet side of airflow meter.
(2) Connect voltmeter between indicated ECU terminal and a good known ground.
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