With A/C: Both the radiator fan and the A/C condenser fan do not run at high speed when the engine coolant temperature is above 93 °C (199 °F)

Diagnostic procedure
  1. Check for an open in the wire between the under-hood fuse/relay box terminal D10 and ECM/PCM connector terminal A6.
Also check for
  • Cleanliness and tightness of all connectors