Schematic Reference: Video System Schematics

DEFINITION: The video display screen backlighting is on, but the picture is poor, blank or distorted. When playing a video source connected through the auxiliary RCA video jacks, the video display picture 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. Stop the VCP.
8. Connect an auxiliary video source to the auxiliary RCA video jacks.
9. Turn on the auxiliary video source, and press AUX on the VCP remote control. The video display plays auxiliary video. Auxiliary video audio plays through the overhead speakers, liftgate speakers and the wireless headphones (both channels).

Does the system operate normally?

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

Go to Step 3

Test the ground circuit at connector C2 of the video cassette player (VCP) for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 12

Go to Step 4

Test the VCP/DVD power on signal circuit for a short to voltage. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 12

Go to Step 5

Test the VCP video 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 12

Go to Step 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 12

Go to Step 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 12

Go to Step 8

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 12

Go to Step 9

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

Did you find and correct the condition?

Go to Step 12

Go to Step 10

Replace the video display. Refer to Video Display Replacement .

Did you find and correct the condition?

Go to Step 12

Go to Step 11

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

Did you complete the replacement?

Go to Step 12

--

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3