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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1949 (Engine Cooling System) >> Diagnostic Information and Procedures >> Cooling Fan Inoperative (LCS) >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
  1. Verify that DTC P0480, P0691, or P0692, is not set.
  2. NOTE: There is a slight delay before the cooling fans activate and reach full speed.
  3. Ignition ON, command the cooling fans ON with a scan tool. Verify that both cooling fans turn ON and operate at a high speed.