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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.