Schematic Reference: Radio/Audio System Schematics

Did you perform the Radio/Audio System Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Entertainment System

Are all of the speakers inoperative?

Go to Step 7

Go to Step 3

Adjust the radio balance and fade to the suspect speaker.

Does the speaker operate properly?

Go to Audio System Troubleshooting Hints

Go to Step 4

1. Remove the radio. Refer to Radio Replacement .
2. Use an appropriate jumper to momentarily touch a 1.5 volt battery between the appropriate speaker circuits.

Does the speaker emit an audible pop?

Go to Step 8

Go to Step 5

Test the circuits of the appropriate speaker for an open, or high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 11

Go to Step 6

Inspect for poor connections at the speaker. 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

Test all speaker circuits for a short to B+ or short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 11

Go to Step 8

Inspect for poor connections at the harness connector of the radio. 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 10

Replace the speaker Refer to Speaker Replacement Reference .

Did you complete the replacement?

Go to Step 11

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Replace the radio. Refer to Radio Replacement .

Did you complete the repair?

Go to Step 11

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Operate the system for which the symptom occurred.

Is the symptom still present?

Go to Step 2

System OK

Schematic Reference : Video System Schematics

Did you perform the Entertainment Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Entertainment System

1. Turn the radio on.
2. Adjust the fade and balance controls to the center.

Do the speakers operate properly?

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

Go to Step 3

Are all of the speakers inoperative?

Go to Step 4

Go to Step 5

While the radio is on, turn on the rear seat audio module.

Does sound return in any of the speakers?

Go to Step 8

Go to Step 7

Is the inoperative speaker in one of the front doors?

Go to Step 9

Go to Step 6

Play a video in the video entertainment system.

Is the suspect speaker inoperative during video playback?

Go to Step 10

Go to Step 11

Important: Test the front speaker outputs at the radio connector. Test the rear speaker outputs between the radio connector and the audio/video interface module connector A side, and at the rear seat audio module connector A side, and at the video display connector J-3.

Test all the speaker output circuits for:

Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 18

Go to Step 14

Test the rear speaker output circuits for:

Important: Test the rear speaker outputs at the audio/video interface module control connector B side, and at the rear seat audio module connector B side, and at the video display connector J-3.

Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 18

Go to Step 14

Test all the front speaker output circuits for:

Note: Test the front speaker outputs at the radio connector.

Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 18

Go to Step 14

Test the rear speaker output circuits for:

Note: Test the rear speaker outputs at the audio/video interface module connector B side, and at the video display connector J-3.

Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 18

Go to Step 14

Do the repair speakers play loud during video playback?

Go to Step 12

Go to Step 14

Test the antenna relay coil supply voltage circuit for:

Note: The antenna relay coil supply voltage circuit is used as a radio on signal to the video entertainment system in this application.

Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 18

Go to Step 14

Test the rear speaker output circuits for:

Important: Test the rear speaker outputs at the audio/video interface module connector A side, and at the video display connector J-3.

Note:

Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 18

Go to Step 14

1. Inspect for poor connections at the radio, the RSA module the video display, and the audio/video interface module. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
2. If a poor connection is not found, replace the audio/video interface module. Refer to Audio/Video Rear Seat Audio Tee Module Replacement

Did you complete the repair?

Go to Step 18

Go to Step 15

Replace the rear seat audio module. Refer to Rear Seat Audio Control Replacement .

Did you complete the repair?

Go to Step 18

Go to Step 16

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

Did you complete the repair?

Go to Step 18

Go to Step 17

Replace the video display. Refer to Video Display Replacement .

Did you complete the repair?

Go to Step 18

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

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