With A/C: With the A/C off and the engine coolant temperature at 96.5 °C (206 °F) or below, the radiator fan runs at high speed and the A/C condenser fan does not run. When the engine coolant temperature is above 96.5 °C (206 °F), both fans run at high speed
Diagnostic procedure
  1. Remove the relay circuit board, and test the fan control relay.
  2. If the relay is faulty, replace the circuit bard.
  3. If the relay is OK, check for a short in the wire between the under-hood fuse/relay box terminal B11 and radiator fan motor 2P connector terminal No. 1.
Also check for
  • Cleanliness and tightness of all connectors