GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Inspect the CD CHG fuse for a open.

Is the CD CHG fuse open?

--

Go to Step 4

Go to Step 2

2

  1. Disconnect the CD changer connector.
  2. Using a test light, probe between the multidisc CD player harness connector terminal 5 to ground.

Does the test light illuminate?

--

Go to Step 3

Go to Step 5

3

Using a test light, probe between the multidisc CD player harness connector terminal 5 and terminal 7.

Does the test light illuminate?

--

Go to Step 7

Go to Step 6

4

Repair a short to ground in CKT 2640.

Is the repair complete?

--

Go to Diagnostic System Check - Radio/Audio System

--

5

Repair a poor connection or an open in CKT 2640.

Is the repair complete?

--

Go to Diagnostic System Check - Radio/Audio System

--

6

Repair a poor connection or an open in CKT 351.

Is the repair complete?

--

Go to Diagnostic System Check - Radio/Audio System

--

7

Replace the multidisc CD player. Refer to Remote Compact Disc Player Replacement for service procedure.

Is the repair complete?

--

Go to Diagnostic System Check - Radio/Audio System

--