Volume does not change

WARNING: This page is about a different car, the 2008 Acura CSX, 2007 Acura CSX, and 2006 Acura CSX. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Set the fader and balance positions to the center.

Listen for sound from the speakers.
Is the sound normal?

YES -Go to step 2.

NO -Go to audio system sound is weak or distorted, or no sound is heard from speaker(s) (see NO SOUND IS HEARD FROM SPEAKER(S) (DISPLAY IS NORMAL) (WITH NAVIGATION) ).
Operate the volume knob to see if the volume changes.
Does the volume change?

YES -Operation is normal.

NO -
- With navigation: Replace navigation unit (see NAVIGATION UNIT REMOVAL/INSTALLATION ).
- Without navigation: Replace audio unit (see AUDIO UNIT REMOVAL/INSTALLATION ).