For 1990-2009 cars

Step | Action | Yes | No
--- | --- | --- | ---
Schematic Reference: Radio/Audio System Schematics
1 | Did you review the Radio/Audio System Description and Operation and perform the necessary inspections? | Go to Step 2 | Go to the Symptoms - Entertainment
2 |

1. Insert the compact disc (CD).
2. Inspect the CD player for the following conditions:

• | Skipping

• | Muting

Do either of these conditions exist?

Go to Step 3

Go to Step 6

3 |

1. Inspect the compact disc for the following conditions:

• | Proper insertion

• | Scratches

• | Dirt

• | Finger prints

2. Clean the disc, if necessary.

Does the CD player operate properly?

Go to Step 10

Go to Step 4

4 |

1. Verify whether the vehicle's usual route is over a rough road or a dirt road. If so, the condition may be normal.
2. Test the condition when driving over a good road surface.

Does the CD player operate properly?

Go to Step 10

Go to Step 5

5 | Some discs may contain marks that are not readily visible. One track or the entire disc may be unplayable. Test the CD player using a known good compact disc. Does the CD player operate properly? | Go to Step 10 | Go to Step 9
6 | Inspect the CD player for the following conditions:

• | ERR display

• | Disc ejection

Do either of the above conditions exist?

Go to Step 7

Go to Step 8

7 |

1. Inspect the disc for the following conditions which may cause ejection or ERR to display:

• | Inserted upside down

• | Dirty

• | Badly scratched

• | Wet

2. Inspect the disc for moisture condensation. This may be caused by inserting a cold disc into a hot player. Allow up to an hour in order to evaporate condensation.
3. Very high internal temperatures may cause the disc to eject.
4. Verify the above conditions and correct any problems you find.

Does the CD player operate properly?

Go to Step 10

Go to Step 9

8 | Inspect the operation of the CD player with a known good compact disc. Does the CD player operate properly? | Go to Step 10 | Go to Step 9
9 | Replace the radio. Refer to Radio Replacement . Is the replacement complete? | Go to Step 10 | --
10 | Operate the system to verify the repair. Did you correct the condition? | System OK | Go to Step 3