Diesel Data: Automotive Repair

Volume Does Not Change




Audio System Symptom Troubleshooting - Volume does not change

Volume does not change

NOTE:

- Check the vehicle battery condition first Testing and Inspection.
- 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 troubleshooting Audio System Sound Is Weak Or Distorted (Display Is Normal), or No sound is heard from the speaker(s) (display is normal) troubleshooting; with navigation No Sound Is Heard From The Speaker(s) (Display Is Normal) (With Navigation), without navigation No Sound Is Heard From The Speaker(s) (Display Is Normal) (Without 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).�