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:
If possible, have the customer demonstrate their concern and compare it against a known-good vehicle.
1.
Problem verification:

Problem verification
?1.
Test-drive the vehicle at freeway speeds and monitor the volume level.

Is the volume level too high, or too low?

     
YES
     
     
     
The failure is duplicated, go to step 2.
     
NO
     
     
     
Intermittent failure, the system is OK at this time.?
2.
Operation check:

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

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

     
YES: With navigation
     
     
     
     
YES: Without navigation
     
     
     
     
NO
     
     
     
Improper SVC setting for the customer's sound taste.?