GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you review the system operation and perform the necessary inspections?

--

Go to Step 2

Go to Symptoms - Entertainment

2

  1. Turn the ignition to the RUN position.
  2. Turn on the radio.
  3. Insert a compact disc and operate.

Does the compact disc player begin operating?

--

Go to Testing for Intermittent Conditions and Poor Connections in Wiring System

Go to Step 3

3

Is the CD skipping or mute?

--

Go to Step 5

Go to Step 4

4

Observe the CD player for the following conditions:

    • ERR is displayed.
    • The disc is ejected.

Do either of the conditions exist?

--

Go to Step 8

Go to Step 5

5

Inspect the disc for one of the following conditions:

    • Improper insertion
    • Scratches
    • Dirt
    • Finger prints

Are any of the conditions present?

--

Go to Step 6

Go to Step 7

6

Clean or replace the disc.

Did you complete the repair?

--

Go to Step 14

--

7

Drive the vehicle on a usual route.

Is the road rough?

--

Go to Step 9

Go to Step 10

8

Inspect the disc for one of the following conditions:

    • Improper insertion
    • Scratches
    • Dirt
    • Wet

Are any of those conditions present?

--

Go to Step 6

Go to Step 12

9

Drive the vehicle on a good road surface.

Is the symptom still present?

--

Go to Step 11

Go to Step 14

10

Test the player with a known good disc.

Is the symptom still present?

--

Go to Step 11

Go to Step 14

11

Replace the radio. Refer to Radio Replacement .

Did you complete the replacement?

--

Go to Step 14

--

12

Inspect the disc for condensation.

Is condensation present?

--

Go to Step 13

Go to Step 11

13

Allow up to an hour in order for the condensation to evaporate.

Is the symptom still present?

--

Go to Step 11

Go to Step 14

14

Operate the system in order to verify the repair.

Did you correct the condition?

--

System OK

Go to Step 3