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Legacy Outback, Standard
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Mass Airflow Sensor
Mass Airflow Sensor
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MASS AIRFLOW SENSOR VOLTAGE
(1)
Application
Volts
ECM Terminal No. 5 & Ground
(2)
Engine Off
0.0-0.3
At Idle
0.8-1.2
ECM Terminal No. 20 & Ground
(2)
Engine Off
Zero
At Idle
Zero
(1)
For further testing, see
TESTS W/CODES
article.
(2)
Connect DVOM between indicated ECM terminal and ground.