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HOMESERVICE MANUALSCHEVROLET2009TAHOE BASE, 4.8 CREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 398 (FIXED AND MOVEABLE WINDOWS)DIAGNOSTIC INFORMATION AND PROCEDURESPOWER WINDOWS MALFUNCTION (RPO Z75)CIRCUIT/SYSTEM VERIFICATION
2009 Chevrolet Tahoe Base, 4.8 C

Circuit/System Verification

2009 Chevrolet Tahoe Base, 4.8 CSECTION Circuit/System Verification
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON, observe the operation of each power window while commanding the window UP and DOWN by using their local door window switches, each window should perform the UP and DOWN function from each switch.
    • If the driver window malfunctions, refer to Front Window Malfunction below.
    • If the front passenger window malfunctions, refer to Front Window Malfunction.
    • If either rear passenger power window malfunctions, refer to Rear Passenger Window Malfunction.
  2. Command the left rear window and right rear window UP and DOWN with a scan tool, each rear window should perform the UP and DOWN function.
    • If either rear passenger power window malfunctions, refer to Rear Passenger Window Malfunction.
  3. Observe the scan tool Driver Window RF Switch, Driver Window LR Switch and Driver Window RR Switch parameters while using the driver master control switches. The parameter should change between Off/Up/Down/Express Down.
    • If the value does not change between commanded states, replace the driver door lock/window switch.
  4. Observe the scan tool Window Lockout Switch parameter while pressing and depressing the window lockout switch on the driver master control. The parameter should change between On and Off.
    • If the value does not change between commanded states, replace the driver door lock/window switch.
  5. Command the express up and express down functions of the driver and passenger door windows by pressing their window switches past the first detent and releasing and pulling their window switches past the first detent and releasing. The appropriate window should perform the express up and express down function.
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