Diesel Data: Automotive Repair

Symptom Troubleshooting




Audio System Symptom Troubleshooting - Audio disc does not play

Special tools required

- Diagnostic CD 07AAZ-SDBA100

Audio disc does not play

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.

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

2. Turn on the audio unit and try loading a disc.

Does the disc load?

YES -

Go to step 3.

NO -

Go to audio disc does not load Symptom Troubleshooting.�

3. Insert audio diagnostic CD (T/N 07AAZ-SDBA100) in the audio unit.

Does the disc play?

YES -

The original disc is faulty or has an unreadable format.�

NO -

Substitute a known-good audio unit Audio Unit Removal/Installation, and recheck. If the symptom/indication goes away, replace the original audio unit Audio Unit Removal/Installation.�