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Home >> Chevrolet >> 2014 >> Volt >> Repair and Diagnosis >> Body & Frame >> Windows >> Fixed And MOVEABLE Window System >> Diagnostic Information and Procedures >> Power Windows Malfunction >> Circuit/System Verification

Circuit/System Verification

  1. Vehicle in Service Mode.
  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 Window Motor Malfunction.

    • If the window moves UP and DOWN as commanded 
  3. Verify the driver window functions while commanding the window UP, express UP, DOWN and express DOWN with the S79D Window Switch-Driver.
    • If the driver window does not move UP or DOWN as commanded 

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

    • If after normalization, the driver window does not express UP or express DOWN 

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

    • 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 change 
  5. Verify the scan tool Child Security Lockout Switch parameter changes between Inactive and Active when pressing the window lockout switch.
    • 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, left rear and right rear window functions while commanding the Passenger Window Motor, Left Rear Window Motor and Right Rear 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  - Passenger/Rear Power Window Inoperative.

    • If the window moves UP and DOWN as commanded 
  8. Command the rear window lockout by pressing the window lockout switch on the S79D Window Switch-Driver.
  9. 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 
  10. All OK.
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