Audio Unit Button Does Not Work

Audio System Symptom Troubleshooting - Audio unit button does not work

Audio unit button does not work

NOTE:

- Check the vehicle battery condition first Testing and Inspection.
- Check the connectors for poor connections or loose terminals.
- In order to troubleshoot the main power switch, go to Power switch will not turn on Audio Unit Power Switch Will Not Turn On (No Information Display And No Sound).

1. Go to the audio button, knob, and remote switch detection mode in the audio self-diagnostic function Audio System Self-Diagnostic Function.

2. Push all of the audio unit buttons and rotate the volume dial to the right and left. Check if the button/dial value is displayed.

Do all the buttons work properly?

YES -

Operation is normal. There is a possibility that the wrong button was pressed.�

NO -

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