LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Subaru >> 1997 >> Legacy Outback, Automatic >> Repair and Diagnosis >> Engine Performance >> Sensor Range Charts >> Engine Controls - Sensor Operating Range Charts >> Introduction >> Mass Airflow Sensor
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Mass Airflow Sensor

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.
scientia non olet · About LEMON Manuals