Schematic Reference: Video System Schematics

DEFINITION: With the rear video system ON, the radio OFF and the rear seat audio (RSA) control OFF, one of the following conditions occurs:

Did you perform a Diagnostic System Check-Entertainment System?

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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) control with the rear video system OFF.
4. Turn OFF the radio and the RSA control.
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 rear speakers and the wireless headphones, both channels.
7. While the VCP is playing, turn the radio ON. The rear speakers mute. The front speakers play radio audio. Video audio plays through the wireless headphones, both channels.
8. Turn ON the RSA control. The wired headphones play radio audio.
9. 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.

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

Test the video audio sound from the wireless headphones.

Is the video audio OK through both sides of the wireless headphones, without any video audio through any other speakers?

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Go to Step 4

Go to Step 7

Test the radio on signal circuit for a short to voltage at the following locations:

Refer to Circuit Testing , and to Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

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Go to Step 16

Go to Step 5

1. Turn OFF the ignition.
2. Disconnect the front video display connector C1.
3. Turn ON the ignition.
4. Turn OFF the radio and the rear seat audio (RSA) control.
5. Measure the voltage of the radio on signal circuit at the front video display connector C1.

Is the voltage greater than the specified value?

0.5 V

Go to Step 6

Go to Step 14

1. Turn OFF the ignition.
2. Disconnect the audio/video interface module connector C5.
3. Turn ON the ignition.
4. Measure the voltage of the radio on signal circuit at the harness connector C5 of the audio/video interface module.

Is the voltage greater than the specified value?

0.5 V

Go to Step 15

Go to Step 12

Test the VCP audio left signal (+) circuit or the VCP audio right signal (+) circuit for the following conditions:

Refer to Circuit Testing , and to Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

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Go to Step 16

Go to Step 8

Inspect for poor connections at the following harness connectors:

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

Did you find and correct the condition?

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Go to Step 16

Go to Step 9

Replace the audio/video interface module. Refer to Audio/Video Interface Module Replacement .

Did you find and correct the condition?

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Go to Step 16

Go to Step 10

Replace the front video display. Refer to Video Display Replacement .

Did you find and correct the condition?

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Go to Step 16

Go to Step 11

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

Did you complete the replacement?

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Go to Step 16

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Inspect for poor connections at the harness connector C2 of the audio/video interface module. Refer to Testing for Intermittent Conditions and Poor Connections , and to Connector Repairs in Wiring Systems.

Did you find and correct the condition?

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Go to Step 16

Go to Step 13

Replace the audio/video interface module. Refer to Audio/Video Interface Module Replacement .

Did you complete the replacement?

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Go to Step 16

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Replace the front video display. Refer to Video Display Replacement .

Did you complete the replacement?

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Go to Step 16

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1. Replace the radio. Refer to Radio Replacement .
2. Perform the radio setup. Refer to Radio Setup .

Did you complete the replacement?

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Go to Step 16

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Operate the system in order to verify the repair.

Did you correct the condition?

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System OK

Go to Step 3