GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Radio/Audio System Check?

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Go to Step 2

Go to Radio/Audio System Check

2

  1. Disconnect the compact disc (CD) player.
  2. Measure the voltage between the CD player connector terminal 5 and ground.

Is the voltage within the specified range?

10-15V

Go to Step 4

Go to Step 3

3

Repair the open or short to ground in CKT 440 (ORN).

Did you complete the repair?

--

Go to Radio/Audio System Check

--

4

Measure the voltage between the CD changer connector terminal 5 and 7.

Is the voltage within the specified range?

10-15V

Go to Step 5

Go to Step 6

5

Repair the open in CKT 1051 (BLK).

Did you compete the repair?

--

Refer to Radio/Audio System Check

--

6

Inspect the CKT 835 (DK GRN) for an open or short to ground or power.

Is CKT 835 open or shorted?

--

Go to Step 7

Go to Step 8

7

Repair the open or short in CKT 835 (DK GRN).

Did you complete the repair?

--

Refer to Radio/Audio System Check

--

8

Replace the CD changer. Refer to Remote CD Changer Replacement .

Did you complete the repair?

--

Refer to Radio/Audio System Check

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