Circuit/System Verification

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Ignition ON, command each window UP and DOWN using the window switches on the driver master control and by using their respective door window switches. Each window should perform the UP and DOWN functions from each switch.
- If the driver door window is inoperative, refer to Driver Power Window Inoperative .
- If the passenger door window is inoperative, refer to Passenger Power Window Inoperative e
- If the left rear or right rear door window is inoperative, refer to Rear Power Window Malfunction .
Disable the rear window switches by activating the window lockout switch on the driver master control. The rear power windows should be inoperative from the rear door window switches.
- If the rear window switches are still active, refer to Rear Window Lockout Malfunction .
Command the express down function of the driver door window by pressing down on the driver's window switch past the first detent and releasing. The driver's window should roll completely down.
- If the function does not perform as specified, replace the driver window switch.