GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

Schematic Reference: Video System Schematics

DEFINITION: The video cassette player (VCP) does not turn on when the ignition switch is on. The video display does turn on when the screen is in the down position with the ignition switch on.

1

Did you perform 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. Test the operation of the radio and rear seat audio (RSA) module with the rear video system off.
  3. Lower the screen of the video display. The video display backlighting turns on (no image) and the status indicator on the video display turns on red solid (not flashing).
  4. Press the PWR button on the video cassette player (VCP). The red indicator on the VCP PWR button turns on.

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

Test the VCP/DVD power enable signal circuit 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 11

Go to Step 4

4

  1. Disconnect the video cassette player (VCP) connector C1.
  2. Turn ON the ignition.
  3. Lower the screen of the video display. The status indicator on the video display turns red solid (not flashing).
  4. Measure the voltage of the VCP/DVD power on signal at the harness side of the VCP connector C1.

Is the voltage within the range shown?

9.5 V to 13.5 V

Go to Step 5

Go to Step 6

5

Inspect for poor connections at the harness connector C1 of the video cassette player (VCP). Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and correct the condition?

--

Go to Step 11

Go to Step 8

6

Inspect for poor connections at the harness connector C1 of the auxiliary module. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and correct the condition?

--

Go to Step 11

Go to Step 7

7

Inspect for poor connections at the harness connector C1 of the video display. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and correct the condition?

--

Go to Step 11

Go to Step 9

8

Replace the video cassette player (VCP). Refer to Video Cassette Player Replacement .

Did you complete the replacement?

--

Go to Step 11

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9

Replace the auxiliary module. Refer to Audio/Video Interface Module Replacement .

Did you find and correct the condition?

--

Go to Step 11

Go to Step 10

10

Replace the video display. Refer to Video Display Replacement .

Did you complete the replacement?

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Go to Step 11

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11

Operate the system in order to verify the repair.

Did you correct the condition?

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System OK

Go to Step 3