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Diagnostic System Diagram

This diagram below shows all of the navigation diagnostic features available for system troubleshooting. The diagram starts at the center, and works outward in layers.

Access to the diagnostic features begins by starting the vehicle. This is necessary so the system can check the other systems connected by various busses. After starting the vehicle you can enter the diagnostic mode either by pressing and holding MENU, MAP/GUIDE, CANCEL, or by connecting the 2-PIN SCS service connector.

The main menu screen allows 2 checking modes - one automatic, and one manual:

NOTE: Do not clear or change settings unless specified by either the Service Manual troubleshooting procedures or by the factory. Otherwise, you may accidentally delete client information, or remove the latest flash software version installed by the factory.
Fig 1: Diagnostic System Diagram
G07363845Courtesy of AMERICAN HONDA MOTOR CO., INC.

*1: With AcuraLink 

*2: Without AcuraLink