Perform the Diagnostic System Check - Vehicle .

The Speed Dependent Volume test is performed using the scan tool, and allows the input of simulated road speed to verify the correct operation of the speed dependent volume function.

Scan Tool Reference

Control Module References

Important: It is recommended that component testing is performed before circuit testing when diagnosing infotainment unit functions.

1. Infotainment unit ON, enter the Options menu by pressing the Volume Control Dial.
2. Turn the Volume Control Dial clockwise to highlight 'AUD SETUP'.
3. Press the Volume Control Dial to access the audio setup menu.
4. Turn the Volume Control Dial clockwise to highlight 'SD VOLUME'.
5. Press the Volume Control Dial to access the SDV setting.
6. Turn the Volume Control Dial clockwise to anti-clockwise to alter the SDV setting.
7. Press the Volume Control Dial to exit and store the setting.
8. To exit the menu, select the 'BACK' option or wait 8 seconds.
9. Select a strong local radio station frequency and set the volume to a comfortable listening level.
10. Connect the scan tool to the DLC.
11. On the scan tool select Infotainment System / Audio System / Actuator Test / System / Vehicle Speed .
12. Press the Increase soft key on the scan tool to simulate an increase in road speed. Listen for an increase in volume.
13. Press the Decrease soft key on the scan tool and listen for the return to normal volume.
14. Press the Quit soft key to exit the test. The speed dependent volume will be set to the standard setting (2) on exiting the test.

⇒	If the speed dependent volume function does not operate correctly, replace the infotainment unit.

Perform the Diagnostic Repair Verification .

Radio Replacement