Diesel Data: Automotive Repair

Audio Disc Does Not Load




Audio System Symptom Troubleshooting - Audio disc does not load

Audio disc does not load

NOTE:

- Check the vehicle battery condition first Testing and Inspection.
- Check the connectors for poor connections or loose terminals.
- Disc labels should not be used in the audio unit. They may damage the player mechanism.
- Make sure the CD is compatible with the system.
- If the navigation display does not open, go to navigation system troubleshooting How To Troubleshoot The Navigation System.

1. Insert a known-good disc to see if the symptom can be duplicated.

Does the disc load?

YES -

Operation is normal. If the disc loads normally. But will not play, go to audio disc does not play Audio Disc Does Not Play.�

NO -

Go to step 2.

2. Insert another disc.

Does the disc load?

YES -

The original disc is faulty.�

NO -

- With navigation: Go to step 3.
- Without navigation: Replace the audio unit Audio Unit Removal/Installation.�

3. Turn the ignition switch to LOCK (0).

4. Remove the audio disc changer Service and Repair.

5. Measure the voltage between body ground and audio disc changer connector A (18P) terminals No. 7 and No. 17 individually.





Is there battery voltage?

YES -

Go to step 6.

NO -

Repair an open in the wire between the audio unit and the audio disc changer.�

6. Turn the ignition switch to ON (II).

7. Measure the voltage between audio disc changer connector A (18P) terminal No. 6 and body ground.





Is there battery voltage?

YES -

Go to step 8.

NO -

Repair an open in the wire between the audio unit and the audio disc changer.�

8. Measure the voltage between audio disc changer connector A (18P) terminal No. 13 and body ground.





Is there less than 0.2 V?

YES -

Replace the audio disc changer Service and Repair.�

NO -

Repair an open in the wire between the audio unit and the audio disc changer.�