Volume Is Too High or Too Low When Driving At Freeway Speeds (With Navigation)

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 (with navigation)

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 SVC MID, and recheck.

Is the volume level still too high or too low?

YES -

Substitute a known-good audio-navigation unit (including the HDD) Audio-Navigation Unit Removal/Installation, and recheck. If the symptom/indication goes away, replace the original audio-navigation unit Audio-Navigation Unit Removal/Installation.

NO -

Improper SVC setting for client's sound taste.