Navi ECU

This diagnosis looks for problems in the navigation ECU. When you start this diagnosis, the audio-navigation unit may freeze or delay up to a minute while the diagnosis runs.

• Displays the result of the access to the DRAM (OK/NG). If DRAM shows NG, replace the audio-navigation unit (see AUDIO-NAVIGATION UNIT REMOVAL/INSTALLATION  ).
• Program Version: Displays the version of the navigation software.
• Model: For this model, the field should begin with TR0.
• Serial No.: Displays the audio-navigation unit serial number. That should be the same as the serial number found on the upper side of the audio-navigation unit.
• Flash: Displays the result of the access to the flash memory (OK/NG). If it is NG, replace the audio-navigation unit (see AUDIO-NAVIGATION UNIT REMOVAL/INSTALLATION  ).
  Fig 1: Screen Display - Navi ECU

  Courtesy of AMERICAN HONDA MOTOR CO., INC.