Volume Does Not Change (With Navigation)

Audio System Symptom Troubleshooting - Volume does not change

Volume does not change (with navigation)

NOTE:

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

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

2. Turn on the audio-navigation 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 Audio System Sound Is Weak or Distorted (Display Is Normal) (With Navigation), or no sound is heard from the speaker(s) No Sound Is Heard From the Speaker(s) (Display Is Normal) (With Navigation).�

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

Does the volume change?

YES -

Operation is normal at this time.�

NO -

Substitute a known-good audio-navigation unit Audio-Navigation Unit Removal/Installation, and recheck. If the symptom/indication goes away, replace the original audio-navigation unit Audio-Navigation Unit Removal/Installation. If the symptom is still present, substitute a known-good audio-navigation panel Audio-Navigation Unit Removal/Installation, and recheck. If the symptom/indication goes away, replace the original audio-navigation panel Audio-Navigation Unit Removal/Installation.�