GM Service Manual Online
For 1990-2009 cars only

Step

Action

Values

Yes

No

Schematic Reference: Video System Schematics

DEFINITION: With the rear video system on and a digital video disc (DVD) playing, the radio off and the rear seat audio (RSA) off, the rear speakers do not play video audio through one side. With the rear video system on and no DVD playing, and the radio is on and RSA is off, radio audio plays from all rear speakers normally.

1

Did you perform the Diagnostic System Check - Entertainment System?

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Go to Step 2

Go to Diagnostic System Check - Entertainment System

2

  1. Turn ON the ignition.
  2. Turn on the wireless headphones.
  3. Test the operation of the radio with the video entertainment system off and the RSA off. Radio audio plays through the front speakers, overhead speakers and the rear speakers.
  4. Turn off the radio. Leave the RSA off.
  5. Turn on the DVD player. Load a DVD in the DVD player. Start the DVD. Video audio plays through the front speakers, overhead speakers, rear speakers and Channel A of the wireless headphones. The display plays video from the DVD player.
  6. While the DVD is playing, turn the radio on. The overhead and rear speakers mute. The front speakers play radio audio. Video audio plays through the wireless headphones Channel A only. No sound plays from the wireless headphones Channel B.
  7. Turn on the RSA. Video audio plays from the wireless headphones Channel A. Radio audio plays from the wireless headphones Channel B.

Does the system operate normally?

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Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

3

Using the video remote control, test the balance and fade to the overhead and rear speakers.

Does the system operate normally?

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Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 4

4

Test the DVD audio left signal (+) circuit and the DVD audio right signal (+) circuit between the DVD player and the radio for the following conditions:

    • An open
    • A short to ground
    • A short to voltage

Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

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Go to Step 8

Go to Step 5

5

Inspect for poor connections at the following harness connectors:

    • The radio connector C2
    • The DVD player connector

Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and correct the condition?

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Go to Step 8

Go to Step 6

6

Important: Remove the retained accessory power (RAP) relay fuse before replacing the DVD player.

Replace the DVD player. Refer to Video Disc Player Replacement .

Did you find and correct the condition?

--

Go to Step 8

Go to Step 7

7

Replace the radio. Refer to Radio Replacement .

Did you complete the replacement?

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Go to Step 8

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8

Operate the system in order to verify the repair.

Did you correct the condition?

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System OK

Go to Step 3