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Home >> Chevrolet >> 2018 >> Spark LT, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 23 (Engine Cooling System) >> Diagnostic Information and Procedures >> Cooling Fan Inoperative >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2017 Chevrolet Spark. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON.
  2. Verify that DTC P0480, P0481, P0691, P0692, P0693 or P0694 is not set.
    • If no DTC is set 
  3. Verify that the cooling fan operates at low and high speed, when commanding the appropriate cooling fan relay ON and OFF with a scan tool.
    • If the cooling fan does not operate at all speeds 

      Refer to Circuit/System Testing.

    • If the cooling fan operates at all speeds 
  4. All OK.