Audio Unit Button Does Not Work (With Navigation)

Audio System Symptom Troubleshooting - Audio unit button does not work

Audio unit button does not work (with navigation)

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 Audio unit power switch will not turn on (No information display and no sound) troubleshooting Audio Unit Power Switch Will Not Turn on (No Information Display and No Sound) (With Navigation).

1. Operate all items in the appropriate switch list.

Switch list





Do all the items in the appropriate switch list work properly?

YES -

Operation is normal.�

NO -

Substitute a known-good audio-navigation unit (including the HDD) Audio-Navigation Unit Removal/Installation (With Navigation), and recheck. If the symptom/indication goes away, replace the original audio-navigation unit Audio-Navigation Unit Removal/Installation (With Navigation). If the symptom/indication is still present, replace the audio-navigation switch panel Audio-Navigation Switch Panel Removal/Installation (With Navigation).�