FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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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 12 Volt Battery Test.
- Check the connectors for poor connections or loose terminals.

1. Change the SVC mode setting in sound set-up to MID.

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

YES -

Go to step 2.

NO -

Improper SVC setting for customers sound taste.

2. Compare the SVC to a known-good vehicle.

Is the SVC operation similar in both vehicles?

YES -

The SVC is operating normally.

NO -

Go to step 3.

3. Test-drive the vehicle at freeway speeds and monitor volume level.

Is the volume level too high, or too low?

YES -

- With navigation: Replace the audio-navigation unit Audio-Navigation Unit Removal/Installation.
- Without navigation: Replace the audio unit.
- Except DX model
- DX model

NO -

Intermittent failure, the system is OK at this time.