Volume Is Too High Or Too Low When Driving at Freeway Speeds

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 -

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

2. Try the SVC mode setting in sound set-up on Low, Mid, and High.

Is the volume level still too high, or too low?

YES -

- With navigation ('07-09 models): Substitute a known-good audio-navigation unit Audio-Navigation Unit Removal/Installation, and recheck. If the symptom/indication goes away, replace the original audio-navigation unit Audio-Navigation Unit Removal/Installation.�
- With navigation ('10-11 models): Substitute a known-good audio-navigation unit Audio-Navigation Unit Removal/Installation, and recheck. If the symptom/indication goes away, replace the original audio-navigation unit Audio-Navigation Unit Removal/Installation.�
- Without navigation: Substitute a known-good audio unit, and recheck. If the symptom/indication goes away, replace the original audio unit.�

NO -

Improper SVC setting for the customer's sound preference. Advise the customer to try different SVC settings.�