Verify the complaint condition using a known good disc.

Is the CD player skipping or muting?

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Go to Step 2

Go to Step 3

1. Inspect the CD for the following conditions:

•	Proper insertion

•

Scratches

•

Dirt

•	Finger prints

•	Clean the CD as necessary.

2. Ask if the usual vehicle route is over rough roads or dirt roads. If the usual vehicle route is over rough roads, the condition may be normal. Attempt to duplicate the complaint condition while driving on a smooth road surface.

Does the CD player continue to skip or mute?

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Go to Step 4

Go to Audio Preliminary Diagnosis

1. Insert a known good disc into the CD player. ERR appears under the following conditions:

•	The disc is inserted upside down

•	The disc is dirty

•	The disc is badly scratched

•	The disc is wet

•	Moisture condenses on the disc as a result of one of the following conditions:

-	A cold disc is inserted into a hot CD player

-	A hot disc is inserted into a cold CD player

-	Allow an hour for the condensation to evaporate.

2. Inspect the IP for high internal temperatures. Very high internal IP temperatures may cause the disc to eject.

Does the CD player continue to display ERR?

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Go to Step 4

Go to Audio Preliminary Diagnosis

Remove the radio for repair. Refer to Radio Replacement .

Is the repair complete?

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Go to Audio Preliminary Diagnosis

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