LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Buick >> 2014 >> Verano Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 13 (Fixed And MOVEABLE Windows) >> Diagnostic Information and Procedures >> Power Windows Malfunction (AEF/AXG) >> Circuit/System Verification
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Circuit/System Verification

WARNING: This page is about a different car, the 2012 Buick Verano. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON.
  2. Verify the driver window functions while commanding the Driver Window Motor Up and Down with a scan tool.
    • If the window does not move UP and DOWN as commanded 

      Refer to Circuit/System Testing  - Driver/Passenger Window Motor Malfunction.

    • If the window moves UP and DOWN as commanded 
  3. Verify the driver window moves while commanding the window UP and DOWN with the driver window switch.
    • If the window does not move UP and DOWN as commanded 

      Refer to Circuit/System Testing  - Driver Window Switch Malfunction.

    • If the window moves UP and DOWN as commanded 
  4. Verify the driver window performs the express UP and express DOWN functions with the driver window switch.
    1. Verify the driver window performs the express UP and express DOWN functions with the driver window switch
    • If the driver window does not express UP or express DOWN 

      Refer to Circuit/System Testing  - Driver Window Switch Malfunction.

    • If the driver window performs the express UP and express DOWN functions 
  5. 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 
  6. Verify the scan tool Child Security Lockout Switch parameter changes between Inactive and Active when pressing the window lockout switch.
    • If the parameters changes 
  7. 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 
  8. Verify the passenger window moves while commanding the Passenger Window Motor Up and Down with a scan tool.
    • If the passenger window does not move UP and DOWN as commanded 

      Refer to Circuit/System Testing  - Driver/Passenger Window Motor Malfunction.

    • If the window moves UP and DOWN as commanded 
  9. Verify the passenger window moves while commanding the window UP and DOWN with the passenger window switch.
    • If the passenger window does not move UP and DOWN as commanded 

      Refer to Circuit/System Testing  - Passenger Window Switch Malfunction.

    • If the window moves UP and DOWN as commanded 
  10. Verify the passenger window performs the express UP and express DOWN functions with the passenger window switch.
    1. Verify the passenger window performs the express UP and express DOWN functions with the passenger window switch
    • If the passenger window does not express UP or express DOWN 

      Refer to Circuit/System Testing  - Passenger Window Switch Malfunction.

    • If the passenger window performs the express UP and express DOWN functions 
  11. Verify the left rear and right rear window moves while commanding the window UP and DOWN with a scan tool.
    • If a rear window does not move UP and DOWN as commanded 

      Refer to Circuit/System Testing  - Rear Power Window Inoperative.

    • If the rear window moves UP and DOWN as commanded 
  12. Command the rear window lockout by pressing the window lockout switch on the driver window switch.
  13. Verify the left rear and right rear window does not move while commanding the window UP and DOWN with the left rear window switch and right rear window switch.
    • If the rear windows do not move UP and DOWN 
  14. All OK.