How to check the audio system condition: Notes

WARNING: This page is about a different car, the 2011 Acura TL, 2010 Acura TL, and 2009 Acura TL. However, it is still accessible from the selected car via links, so may be relevant.

The audio system has a self-diagnostic function to help find problems with the audio system To run the self-diagnostic function, do the following

NOTE:

Not all self-diagnostic functions appear on all models
There may be other self-diagnostic functions that are for factory use only
The self diagnostic function does not find every problem with the audio system Check any official Honda service website for more information about the audio system

Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode
Make sure the audio system is turned off
Push and hold the preset No 1 and No 6 buttons
While holding the buttons, push the VOL PUSH PWR knob to ON
Release the buttons, and the self-diagnostic begins

Fig 1: Identifying Preset No 1 And No 6 Buttons And VOL PUSH PWR Knob
Courtesy of AMERICAN HONDA MOTOR CO., INC.
When you are in the self-diagnostic mode, pressing a preset button starts the diagnostic mode that is assigned to that preset button

NOTE: Any other diagnostic screens shown are for factory use only