Volume does not change
WARNING: This page is about a different car, the 2009 Acura MDX, 2008 Acura MDX, and 2007 Acura MDX. 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.
- Check the connectors for poor connections or loose terminals.
- Check the vehicle battery condition first.
- 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 (see ), or no sound is heard from speakers (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 at this time.
NO - Substitute a known-good audio unit 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 and recheck. If the symptom/ indication goes away, replace the original audio panel (see AUDIO UNIT REMOVAL/INSTALLATION ).