Volume Does Not Change

Audio System Symptom Troubleshooting - Volume does not change

Volume does not change

NOTE:

- Check the vehicle battery condition first Battery Test.
- Check the connectors for poor connections or loose terminals.
- Set the fader and the balance positions to the center.

1. Turn the ignition switch to ON (II).

2. Turn on the audio system, and check for sound in each mode (AM/FM and CD).

Is the sound normal?

YES -

Go to step 3.

NO -

Go to Audio system sound is weak or distorted (display is normal) troubleshooting; with navigation Audio System Sound Is Weak Or Distorted (Display Is Normal) (With Navigation), without navigation Audio System Sound Is Weak Or Distorted (Display Is Normal) (Without Navigation) or No sound is heard from the speaker(s) (display is normal) troubleshooting; with navigation and rear entertainment No Sound Is Heard From The Speaker(s) (Display Is Normal) (With Navigation, With Rear Entertainment), with navigation, without rear entertainment No Sound Is Heard From The Speaker(s) (Display Is Normal) (With Navigation, Without Rear Entertainment), without navigation No Sound Is Heard From The Speaker(s) (Display Is Normal) (Without Navigation).

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

Does the volume change?

YES -

Operation is normal.

NO -

- With navigation: Substitute a known-good center panel Service and Repair, and recheck. If the symptom/indication goes away, replace the original center panel Service and Repair. If the symptom/indication is still present, replace the audio-navigation unit Audio-Navigation Unit Removal/Installation.
- Without navigation: Substitute a known-good center panel Audio Switch Panel Removal/Installation, and recheck. If the symptom/indication goes away, replace the original center panel Audio Switch Panel Removal/Installation. If the symptom/indication is still present, replace the audio unit Audio Unit Removal/Installation.