Without Navigation System

Audio System Symptom Troubleshooting - Volume is too high or too low when driving at freeway speeds (without navigation system)

Volume is too high or too low when driving at freeway speeds (without navigation system)

NOTE:

- Check the vehicle battery condition first Battery Test.
- 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 Mid, and recheck.

Is the volume level still too high or too low?

YES -

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.�

NO -

Improper SVC setting for client's sound taste.�