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Home >> Subaru >> 2015 >> WRX Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 13 (Engine Cooling System (WRX)) >> Radiator Fan System >> Inspection >> Operating Condition
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Operating Condition

WARNING: This page is about a different car, the 2013 Subaru Impreza. However, it is still accessible from the selected car via links, so may be relevant.
Vehicle speed A/C compressor load Engine coolant temperature
Increase: 94°C (201°F) or less Decrease: 91°C (196°F) or less Increase: 95 - 96°C (203 - 205°F) Decrease: 92 - 94°C (198 - 201°F) Increase: 97°C (207°F) or more Decrease: 95°C (203°F) or more
Radiator fan operation Radiator fan operation Radiator fan operation
During acceleration: 19 km/h (12 MPH) or less During deceleration: 10 km/h (6 MPH) or less OFF OFF Low-Speed High-Speed
Low Low-Speed Low-Speed High-Speed
High High-Speed High-Speed High-Speed
During acceleration: 20 - 69 km/h (12 - 43 MPH) During deceleration: 11 - 64 km/h (7 - 40 MPH) OFF OFF Low-Speed High-Speed
Low High-Speed High-Speed High-Speed
High High-Speed High-Speed High-Speed
During acceleration: 70 - 105 km/h (43 - 65 MPH) During deceleration: 65 - 103 km/h (40 - 64 MPH) OFF OFF Low-Speed High-Speed
Low High-Speed High-Speed High-Speed
High High-Speed High-Speed High-Speed
During acceleration: 106 km/h (66 MPH) or more During deceleration: 104 km/h (65 MPH) or more OFF OFF High-Speed High-Speed
Low High-Speed High-Speed High-Speed
High High-Speed High-Speed High-Speed