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Home >> Subaru >> 2019 >> WRX STI >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System (STI) >> Mass Air Flow And Intake Air Temperature Sensor >> Inspection >> Check The Intake Air Temperature Sensor Unit
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Check The Intake Air Temperature Sensor Unit

Measure the resistance between intake air temperature sensor terminals.

G06344675Courtesy of SUBARU OF AMERICA, INC.
Temperature Terminal No. Standard
-20°C (-4°F) 1 and 2 16.0±2.4 kΩ
20°C (68°F) 2.45±0.24 kΩ
Temperature Terminal No. Standard
60°C (140°F)   0.580±0.087 kΩ