Diagnostic System Check - Entertainment
Perform the Diagnostic System Check - Vehicle before proceeding with these diagnostic procedures. Refer to
Diagnostic System Check - Vehicle
.
Video Entertainment System Inoperative
Important: The following information lists the most probable cause of the concern to the least probable cause, followed by the appropriate test for the condition. If the list leads to the replacement of a component, always inspect
for a poor connection before proceeding with the replacement. Refer to
Testing for Intermittent Conditions and Poor Connections
and
Connector Repairs
.
Schematic Reference:
Video System Schematics
| • | Battery positive circuit open--Test battery positive circuit system voltage. If voltage is not present, check battery positive circuits for an open. Refer to
Circuit Testing
and
Wiring Repairs
. If no open is found, replace radio. Refer to
Radio Replacement
. |
| • | 5-volt reference circuit open or shorted to ground--Test 5-volt reference circuit for 5 volts. If voltage is not present, check circuit for an open or short to ground. Refer to
Circuit Testing
and
Wiring Repairs
. If no open is found, replace radio. Refer to
Radio Replacement
. |
| • | Digital video disc (DVD) head to display serial data circuit open or shorted to battery positive--At the overhead display connector, check for varying DC voltage on the DVD Head to Display Serial Data circuit. If no varying DC voltage is found,
check for an open or a short to battery positive. Refer to
Circuit Testing
and
Wiring Repairs
. If no open or short to battery positive is found, replace the radio. Refer to
Radio Replacement
. |
| • | Display to DVD head serial data circuit shorted to battery positive or ground--Check the Display to DVD Head Serial Data circuit for a short to battery positive or ground. Refer to
Circuit Testing
and
Wiring Repairs
. If no short to battery positive or ground is found, replace the overhead console. Refer to
VES Overhead Console Replacement
. |
