Circuit/System Testing

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: If rear video display does not turn ON, use diagnostic Video Entertainment System Inoperative .

Flip open the rear video display. With the ignition ON, operate the rear entertainment system using several known good DVD disks. Observe the rear video screen.

If the screen turns ON but is blank, test for an open, short to ground and short to power on the DVD video signal circuits to the rear video display. If the DVD video signal circuits test normal, replace the video display.

If the video screen is still malfunctioning, replace the radio.