With A/C: Both the radiator fan and the A/C condenser fan run at high speed with the ignition switch to ON (II), the A/C off, and the engine coolant temperature below 94.5 °C (202 °F)
Diagnostic procedure
  1. Check for a short in the wire between the under-hood fuse/relay box terminal D10 and ECM/PCM connector terminal A5.
Also check for
  • Cleanliness and tightness of all connectors