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Home >> Chevrolet >> 2014 >> Captiva Sport LS >> 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. Ignition ON.
  2. Verify the driver window performs the UP and DOWN functions.
    • If the driver window does not perform the UP or DOWN functions 

      Refer to Circuit/System Testing - Driver Window Inoperative

    • If the driver window performs the UP and DOWN functions 
  3. Verify the passenger window performs the UP and DOWN functions at both the driver and passenger door switches.
    • If the M74P Window Motor-Passenger is inoperative from both the S79D Window Switch-Driver and S79P Window Switch-Passenger 

      Refer to Circuit/System Testing - Passenger Window Inoperative From Both Switches.

    • If the M74P Window Motor-Passenger is inoperative from the S79P Window Switch-Passenger only 

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

    • If the M74P Window Motor-Passenger is inoperative from the S79D Window Switch-Driver only 

      Test or replace the S79D Window Switch - Driver.

    • If the M74P Window Motor-Passenger performs the UP and DOWN functions at both S79D Window Switch-Driver and S79P Window Switch-Passenger 
  4. Verify the M74LR Window Motor-Left Rear and M74RR Window Motor-Right Rear performs the UP and DOWN functions at both the S79D Window Switch-Driver and each of the S79 Window Switch-Rear.
    • If a M74 Window Motor-Rear is inoperative from both the S79D Window Switch-Driver and S79 Window Switch-Rear 

      Refer to Circuit/System Testing - Rear Window Inoperative From Both Switches

    • If a M74 Window Motor-Rear is inoperative from the S79 Window Switch-Rear only 

      Refer to Circuit/System Testing - Rear Window Switch Inoperative

    • If a M74 Window Motor-Rear is inoperative from the S79D Window Switch-Driver only 

      Test or replace the S79D Window Switch-Driver.

    • If the M74 Window Motor-Rear performs the UP and DOWN functions at both the S79D Window Switch-Driver and the S79 Window Switch-Rear 
  5. Lock out the rear window switches by pressing the lockout switch on the S79D Window Switch-Driver.
  6. Verify the M74LR Window Motor-Left Rear and M74RR Window Motor-Right Rear is inoperative at both of the S79 Window Switch-Rear.
    • If both M74 Window Motor-Rear continue to function from the S79 Window Switch-Rear 

      Refer to Circuit/System Testing - Rear Window Lockout Inoperative

    • If both M74 Window Motor-Rear is inoperative from the S79 Window Switch-Rear 
  7. All OK.
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