Volume Does Not Change

Volume does not change

NOTE:
- Check the vehicle battery condition first.
- Set the fader and balance positions to the center.

1. Turn the ignition switch to ON (II).
2. Turn on the audio unit 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, or no sound is heard from speakers.

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

Does the volume change?

YES - Operation is normal.

NO - Replace the audio unit.