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Mass Airflow Sensor

MASS AIRFLOW SENSOR RESISTANCE ⁽¹⁾

Terminal

Specification

Red Wire & Ground

1 Megohm (Min.)

White Wire & Ground

1 Megohm (Min.)

Black Wire & Ground

1 Megohm (Min.)

Black/Red Wire & Ground

Zero Ohms

⁽¹⁾	Measure resistance between specified terminal of airflow sensor connector and ground.

MASS AIRFLOW SENSOR VOLTAGE

Application

⁽¹⁾ Volts

ECU Pin No. 8 & Ground ⁽²⁾

Engine Off

10-13

At Idle

13-14

ECU Pin No. 9 & Ground ⁽²⁾

Engine Off

0.0-0.3

At Idle

0.8-1.2

ECU Pin No. 10 & Ground ⁽²⁾

Engine Off

Zero

At Idle

Zero

⁽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.