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How to Use the Audio System Self-diagnostic Function

WARNING: This page is about a different car, the 2011 Honda Fit, 2010 Honda Fit, and 2009 Honda Fit. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn the ignition switch to ON (II).
  2. Make sure the audio system is turned off.
  3. Push and hold the preset No. 1 and No. 6 buttons.
  4. While holding the buttons, push the power button (A) on.
    Fig 1: Identifying Audio System Self-Diagnostic Function
    G06768803Courtesy of AMERICAN HONDA MOTOR CO., INC.
  5. Release the buttons and the self-diagnostic mode begins.
  6. When you are in the self-diagnostic mode, pressing a preset starts the diagnostic mode that is assigned to that preset switch.
    CONNECTOR PINOUTS DESCRIPTION CHARTCONNECTOR PINOUTS DESCRIPTION CHARTCONNECTOR PINOUTS DESCRIPTION CHART

      Button operation Desired result Diagnostic procedure
      Pressing the preset No. 2 button The audio unit (center panel) switch name and/or value should be displayed (Except power button) Audio unit button (s) does not work (see AUDIO UNIT BUTTON DOES NOT WORK (WITHOUT NAVIGATION) ).
    Pressing the preset No. 3 button All of the segments should turn on and turn off. This test checks if any audio unit LCD segments are stuck on or are dead (off). If there are any segments stuck on or are dead, replace the audio unit.
    Pressing the preset No. 4 button When the parking light switch is on, the illumination steps should be changed from - step to 22 step while adjusting the dash brightness control knob
    Pressing the preset No. 5 button When you drive the vehicle, the VSP indicates the vehicle speed in km/h. Volume does not increase with speed (see VOLUME DOES NOT INCREASE WITH SPEED ).
    Fig 2: Display - Diagnostic Mode
    G06768804Courtesy of AMERICAN HONDA MOTOR CO., INC.
  7. If the diagnosis result is not matching the desired result, do the affected system troubleshooting.
  8. The self-diagnostic mode ends when you turn off the audio unit or turn the ignition switch to LOCK (0).