Circuit/System Testing
WARNING: This page is about a different car, the 2007 Pontiac Montana SV6, 2007 Chevrolet Uplander, and 2007 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
- Be sure to test the disk player and video display for acceptable video operation.
- With the ignition OFF, test the rear video signal for an open, short to ground or short to voltage.
- Test the rear video ground circuit for an open or short to voltage.
- If the circuits test normal, test or replace the mobile entertainment player module.
- If all circuits test normal, test or replace the disk player and video display.