Schematic Reference: Radio/Navigation System Schematics

Connector End View Reference: Entertainment/Communication Connector End Views

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle

1. Turn ON the ignition, with the engine OFF.
2. Turn ON the radio.
3. Turn ON the rear seat audio (RSA) controller.
4. Select the AM/FM push button on the rear seat audio controller.
5. Connect headphones.

Does the rear seat audio operate normally?

Go to Testing for Intermittent Conditions and Poor Connections

Go to Step 3

Are both left and right audio channels inoperative at the RSA?

Go to Step 5

Go to Step 4

Test the appropriate speaker input circuits of the rear seat audio controller for a short, high resistance, or an open. Refer to Circuit Testing and Wiring Repairs .

Did you find and correct the condition?

Go to Step 7

Go to Step 5

Inspect for poor connections at the harness connector of the rear seat audio controller and the radio. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .

Did you find and correct the condition?

Go to Step 7

Go to Step 6

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

Did you complete the replacement?

Go to Step 7

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Operate the system in order to verify the repair.

Did you complete the repair?

System OK

Go to Step 2