Electric Cooling Fans

• Component Locations
• System Tests
  • On Vehicle Inspection
    • Testing Fans At Low Temperature - Below 181°F (83°C)
    • Testing Fans At High Temperature - 185-194°F (85-90°C)
    • Testing Fans At High Temperature - Above 194°F (90°C)
• Circuit Tests
  • Cooling Fan Ecu
• Component Tests
  • Cooling Fans
  • No. 1 Cooling Fan Relay
    • Continuity
    • Operation
  • No. 2 Cooling Fan Relay
    • Continuity
    • Operation
  • No. 3 Cooling Fan Relay
  • Water Temperature Sensor
• Wiring Diagram