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HOMESERVICE MANUALSBUICK2013REGAL TURBO PREMIUM, STANDARD TRANSREPAIR AND DIAGNOSISBODY & FRAMEWINDOWSFIXED AND MOVEABLE WINDOW SYSTEMDIAGNOSTIC INFORMATION AND PROCEDURESPOWER WINDOWS MALFUNCTIONCIRCUIT/SYSTEM VERIFICATION
2013 Buick Regal Turbo Premium, Standard Trans

Circuit/System Verification

2013 Buick Regal Turbo Premium, Standard TransSECTION Circuit/System Verification
  1. Ignition ON.
  2. Verify the driver window moves while commanding the window UP and DOWN with a scan tool.
    • If the window moves UP and DOWN as commanded 
  3. Verify the driver window moves while commanding the window UP, express UP, DOWN and express DOWN with the S79D Window Switch-Driver.
    • If the driver window moves UP, express UP, DOWN and express DOWN as commanded 
  4. Verify the scan tool parameters listed below change when pressing and pulling the switches for the passenger, left rear and right rear window on the driver window master control;
    • Left Rear Main Control Down Switch - Inactive and Active
    • Left Rear Main Control Express Switch - Inactive and Active
    • Left Rear Main Control Up Switch - Inactive and Active
    • Right Rear Main Control Down Switch - Inactive and Active
    • Right Rear Main Control Express Switch - Inactive and Active
    • Right Rear Main Control Up Switch - Inactive and Active
    • Front Passenger Main Control Down Switch - Inactive and Active
    • Front Passenger Main Control Express Switch - Inactive and Active
    • Front Passenger Main Control Up Switch - Inactive and Active
    • If the parameters changes 
  5. Verify the scan tool Child Security Lockout Switch parameter changes between Inactive and Active when pressing the window lockout switch on the S79D Window Switch-Driver.
    • If the parameters changes 
  6. Verify the lockout indicator turns ON and OFF when commanding the Child Security Lock Indicator ON and OFF with a scan tool.
    • If the indicator does not turn ON and OFF 

      Replace the S79D Window Switch-Driver.

    • If the indicator turns ON and OFF 
  7. Verify the passenger window moves while commanding the Passenger Window Motor Up and Down with a scan tool.
    • If the window moves UP and DOWN as commanded 
  8. Verify the passenger window moves while commanding the window UP, express UP, DOWN and express DOWN with the S79P Window Switch-Passenger.
    • If the passenger window moves UP, express UP, DOWN and express DOWN as commanded 
  9. Verify the left rear and right rear window moves while commanding the window UP and DOWN with a scan tool.
    • If the rear window moves UP and DOWN as commanded 
  10. Command the rear window lockout by pressing the window lockout switch on the S79D Window Switch-Driver.
  11. Verify the left rear and right rear window does not move while commanding the window UP and DOWN with the S79LR Window Switch-Left Rear and S79RR Window Switch-Right Rear.
    • If the rear windows do not move UP and DOWN 
  12. All OK.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.