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Home >> Subaru >> 2017 >> WRX Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System (2.0L) >> 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.

Fig 1: Measuring Resistance Between Intake Air Temperature Sensor Terminals
G09479763Courtesy of SUBARU OF AMERICA, INC.
Temperature Terminal No. Standard
-20°C (-4°F) 4 and 5 14.7±2.2 kΩ
25°C (77°F) 2.0±0.2 kΩ
60°C (140°F) 0.59±0.09 kΩ