GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the Radio/Audio System Diagnostic System Check performed?

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Go to Step 2

Go to Diagnostic System Check - Radio/Audio System .

2

  1. Verify the customer complaint.
  2. Attempt to use the customer's compact disk before using a known good compact disk.
  3. Insert the known good compact disk into the CD player.

Does the CD player operate properly with the known good compact disk?

--

Go to Step 3

Go to Step 4

3

  1. The customer's compact disk is faulty.
  2. Replace the customer's compact disk.

Is the replacement complete?

--

System OK

--

4

  1. Check for any obstructions in the CD player.
  2. Remove any obstructions and/or foreign materials that may prohibit the CD player from operating properly.
  3. Insert the known good compact disk into the CD player.

Does the CD player operate properly?

--

System OK

Go to Step 5

5

Replace the radio. Refer to Radio Replacement in Entertainment.

Is the replacement complete?

--

Go to Step 6

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6

  1. Connect all connectors and components that were disconnected.
  2. Verify that the CD player operates properly.

Does the CD player operate properly?

--

System OK

Go to Step 1