Volume Does Not Change (Without Navigation)

Audio System Symptom Troubleshooting - Volume does not change (without navigation)

Volume does not change (without navigation)

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. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.

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 Sound Quality Diagnosis Audio System Sound Quality Diagnosis or No sound is heard from speaker(s) 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 -

Substitute a known-good audio unit Audio Unit Removal/Installation (Without Navigation), and recheck. If the symptom/indication goes away, replace the original audio unit.�