Symptom Troubleshooting
Symptom Troubleshooting: Volume does not change
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.
1. 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, or no sound is heard from speaker(s). No Sound Is Heard From the Speaker(s) (Display Is Normal) (With Navigation)
2. 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. Audio-Navigation Unit Removal/Installation (With Navigation)
- Without navigation: Replace the audio unit. Audio Unit Removal/Installation (Without Navigation)