LEMON Manuals: Even more car manuals for everyone
Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling System >> Diagnostic Information and Procedures >> DTC P0480, P0481, P0691, P0692, P0693, or P0694: Cooling Fan Relay >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON.
  2. Verify an audible click is heard or felt from cooling fan Relays 1, 2, and 3 when commanding the cooling fans ON and OFF with a scan tool.
    • If a click is not heard or felt at one or more of the Relays  

      Refer to Circuit/System Testing

    • If a click is heard or felt at each of the Relays  
  3. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
  4. Verify the DTC does not set.
    • If the DTC sets 

      Refer to Circuit/System Testing

    • If the DTC does not set 
  5. All OK.
scientia non olet · About LEMON Manuals