GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

Schematic Reference: Radio/Navigation System Schematics

Connector End View Reference: Entertainment/Communication Connector End Views

1

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle

2

  1. Turn ON the ignition, with the engine OFF.
  2. Turn ON the radio.
  3. Press the rear seat audio (RSA) control power button ON and then OFF.
  4. Observe the indicator after pressing the power button OFF.

Is the power indicator illuminated?

Go to Step 3

Go to Testing for Intermittent Conditions and Poor Connections

3

Test the RSA enable circuit of the RSA control for a short to voltage. Refer to Circuit Testing and to Wiring Repairs .

Did you find and correct the condition?

Go to Step 6

Go to Step 4

4

Inspect for poor connections at the harness connector of the RSA control. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs .

Did you find and correct the condition?

Go to Step 6

Go to Step 5

5

Replace the RSA control. Refer to Second Seat Audio Control Replacement .

Did you complete the replacement?

Go to Step 6

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6

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

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