Symptom Troubleshooting

Audio System Symptom Troubleshooting - Volume is too high or too low when driving at freeway speeds

Volume is too high or too low when driving at freeway speeds

NOTE:

- Check the vehicle battery condition first Testing and Inspection.
- Check the connectors for poor connections or loose terminals.

1. Test-drive the vehicle at highway speeds, and monitor volume level.

Is the volume level too high, or too low?

YES -

Go to step 2.

NO -

Intermittent failure, the system is OK at this time.�

2. Change SVC mode setting in sound adjustment set-up to SVC MID, and retest.

Is the volume level still too high or too low?

YES -

Substitute a known-good audio unit; with navigation system Audio Unit Removal/Installation (With Navigation), without navigation system Audio Unit Removal/Installation (Without Navigation), and recheck. If the symptom/indication goes away, replace the original audio unit; with navigation system Audio Unit Removal/Installation (With Navigation), without navigation system Audio Unit Removal/Installation (Without Navigation).�

NO -

Improper SVC setting for customer's sound taste.�