Both the radiator fan and the A/C condenser fan run at low speed with the ignition switch ON (II) and the A/C off (if equipped)

Diagnostic Procedure
  1. Check for a short in the wire between under-hood fuse/relay box connector No. 3 terminal No. 16 and ECM connector No. 2 terminal No. 53.
Also check for
  • Cleanliness and tightness of all connectors