Volume Does Not Change

WARNING: This page is about a different car, the 2008 Honda Pilot, 2007 Honda Pilot, and 2006 Honda Pilot. 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.

Turn the ignition switch ON (II).
Turn on the audio unit and check for sound in each mode (AM, FM, XM, and disc).
Is the sound normal?

YES - Go to step 3.

NO - Go to audio system sound is weak or distorted (see AUDIO SYSTEM SOUND IS WEAK OR DISTORTED (DISPLAY IS NORMAL) ), or no sound is heard from speakers (see RADIO STAYS POWERED WITH THE IGNITION SWITCH OFF ).
Operate the volume knob to see if the volume changes.
Does the volume change?

YES - Operation is normal.

NO - Replace the audio unit (see Audio Unit Removal/Installation ).