Volume does not change
NOTE:
- Check the vehicle battery condition first.
- Check the connectors for poor connections or loose terminals.
- Set the fader and balance positions to the center.
- Turn on the audio unit and listen to sound from the speakers.
Is the sound normal?
YES -Go to step 2.
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 AUDIO UNIT POWER SWITCH WILL NOT TURN 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 ).