Radiator Fan System: Inspection: Notes

Operating condition: 

Radiator fan operates depending on the radiator fan operation mode related to engine coolant temperature or the radiator fan operation mode related to A/C compressor load, whichever is higher as an operation mode.

• Radiator fan operation mode related to engine coolant temperature
  Fig 1: Engine Coolant Temperature Graph

  Courtesy of SUBARU OF AMERICA, INC.
• Radiator fan operation mode related to A/C compressor load
  Fig 2: A/C Compressor Refrigerant Pressure Graph

  Courtesy of SUBARU OF AMERICA, INC.