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. 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, [1][2]Audio System Sound Is Weak Or Distorted (Display Is Normal) or no sound is heard from speakers. Symptom Troubleshooting


2. Operate the volume knob to see if the volume changes.

Does the volume change?
YES - Operation is normal.

NO - Replace the audio unit. Service and Repair