Volume does not change (without navigation)
WARNING: This page is about a different car, the 2013 Acura MDX, 2012 Acura MDX, 2011 Acura MDX, and 2010 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
- Check the vehicle battery condition first (see BATTERY TEST ).
- Set the fader and balance positions to the center.
- Check the connectors for poor connections or loose terminals.
- Turn the ignition switch to ON (II).
- Turn on the audio unit and check for sound in each mode (AM, FM, XM, and CD).
Is the sound normal?
YES -Go to step 3.
NO -Go to AUDIO SYSTEM SOUND IS WEAK OR DISTORTED , or NO SOUND IS HEARD FROM THE SPEAKER(S)
- Operate the volume knob to see if the volume changes.
Does the volume change?
YES -Operation is normal at this time.
NO -Substitute a known-good audio unit (see AUDIO UNIT REMOVAL/INSTALLATION ), and recheck. If the symptom/indication goes away, replace the original audio unit (see AUDIO UNIT REMOVAL/INSTALLATION ). If the symptom is still present, substitute a known-good audio panel (see AUDIO UNIT REMOVAL/INSTALLATION ), and recheck. If the symptom/indication goes away, replace the original audio panel (see AUDIO UNIT REMOVAL/INSTALLATION ).