Volume Does Not Change
NOTE:
- Check the vehicle battery condition first (see BATTERY TEST ).
- Check the connectors for poor connections or loose terminals.
- 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 (DISPLAY IS NORMAL) or NO SOUND IS HEARD FROM SPEAKER(S) (DISPLAY IS NORMAL) (WITH NAVIGATION) and NO SOUND IS HEARD FROM SPEAKER(S) (DISPLAY IS NORMAL) (WITHOUT NAVIGATION) .
- Operate the volume knob to see if the volume changes.
Does the volume change?
YES - Operation is normal.
NO -
- With navigation: Replace the audio-navigation unit (see AUDIO-NAVIGATION UNIT REMOVAL/INSTALLATION .
- Without navigation: Replace the audio unit (see AUDIO UNIT REMOVAL/INSTALLATION ).