Video Entertainment System Troubleshooting Hints: Notes

Schematic Reference:  Video System Schematics (w/o UMS)   or  Video System Schematics (UMS)  

• Many conditions that affect video system operation may be corrected without removing the radio, the digital video disc (DVD) player or the video entertainment overhead console from the vehicle. Make sure to understand all features of system operation before beginning the diagnosis of the system. Verify the condition and follow the diagnostic procedures in order to isolate and correct the condition.
• Be sure the vehicle battery is fully charged before beginning video entertainment system diagnosis.