1. Turn the ignition to the accessories position.
2. Switch the audio system on and select FM mode.

Does the radio function correctly?

Go to Step 2

Go to Step 3

Insert a CD, label side upwards.

Does the CD player function correctly?

Go to Radio/Audio System Description and Operation

Go to Step 3

In step 1 or 2, did the audio system display illuminate?

Go to Step 5

Go to Step 4

1. Turn the ignition to OFF.
2. Gain access to the instrument panel fuse and relay panel by pulling outwards on the upper edge of the instrument panel lower trim panel to disengage the retaining clips.
3. Check the condition of the following fuses:

•	PARK LAMPS fuse F4

•	IGNITION fuse F10

•	INSTRUMENT ILLUMINATION fuse F11

•	RADIO / CELLULAR PHONE fuse F16

•	RADIO / CELLULAR PHONE fuse F23

•	SUBWOOFER AMPLIFIER fuse F24

4. Are the fuses OK?

Go to Step 5

Go to Step 8

1. Install a scan tool.
2. Turn ON the ignition, with the engine OFF.

Does the scan tool power up?

Go to Step 6

Go to Scan Tool Does Not Power Up in Data Link Communications

At the scan tool title screen press the enter key and select Diagnostics / Model Year / Vehicle Model / Body / Audio System.

Does the scan tool display audio system identification?

Go to Step 7

Go to DTC 40

Select Diagnostic Trouble Codes / Read Current DTC Information.

Does the scan tool display any DTCs?

Go to Diagnostic Trouble Code (DTC) List

Go to Symptoms - Entertainment

Replace faulty fuse.

Did you complete the repair?

Go to Step 9

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 1