Schematic Reference: Video System Schematics

DEFINITION: Video audio through the liftgate speakers, the overhead speakers and the wireless headphone speakers is reduced. Rear seat audio (RSA) is OK.

Did you perform Diagnostic System Check - Entertainment System ?

Go to Step 2

Go to Diagnostic System Check - Entertainment System

1. Turn ON the ignition.
2. Turn on the wireless headphones.
3. Test the operation of the radio and rear seat audio (RSA) module with the rear video system off.
4. Turn off the radio and the RSA module.
5. Turn on power to the video cassette player (VCP) and the video display.
6. Insert a pre-recorded VHS tape in the VCP and press the PLAY button on the VCP. The video display plays video from the VCP. Video audio plays through the overhead speakers, liftgate speakers and the wireless headphones (both channels).
7. Turn on the radio and the RSA module.
8. Test the wireless headphones using the channel switch and the volume control on the headphones. The wireless headphones play radio audio through one channel and video audio through the other channel.
9. Use the VCP remote control to test the video audio fade, balance and volume level.

Does the system operate normally?

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

Go to Step 3

Test the VCP audio signal (-) circuit for the following conditions:

Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 9

Go to Step 4

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 9

Go to Step 5

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 9

Go to Step 6

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

Did you find and correct the condition?

Go to Step 9

Go to Step 7

Replace the video display. Refer to Video Display Replacement .

Did you find and correct the condition?

Go to Step 9

Go to Step 8

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

Did you complete the replacement?

Go to Step 9

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3