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 the balance positions to the center.
- If the volume button does not change volume with the audio remote switch on the steering wheel, go to Audio remote switch does not work properly troubleshooting Audio Remote Switch Does Not Work Properly (Except 1CD type).

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

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

Is the sound normal?

YES -

Go to step 3.

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 speakers troubleshooting No Sound Is Heard From The Speaker(s) (Display Is Normal).�

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

Does the volume change?

YES -

Operation is normal.�

NO -

Substitute a known-good audio unit Audio Unit Removal/Installation, and recheck. If the symptom/indication goes away, replace the original audio unit Audio Unit Removal/Installation.�