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Check Manifold Temperature Sensor Unit

  1. Measure the resistance between engine coolant temperature sensor terminals.
Fig 1: Measuring Resistance Between Engine Coolant Temperature Sensor Terminals
G09479768Courtesy of SUBARU OF AMERICA, INC.
Temperature Terminal No. Standard
-20°C (-4°F) 1 and 2 Approx. 14.7±2.2 kΩ
25°C (77°F) Approx. 2.0±0.2 kΩ
60°C (140°F) Approx. 0.59±0.09 kΩ