Diagnostic Function Diagram
This diagram shows the diagnostic slice of the System Function Diagram. It has the diagnostic features of the navigation system starting at the center and working outward in layers. The diagnostic starts at "Key ON," and then displays the Diagnostic Main Menu (Select Diagnosis items) after:
Starting the vehicle with the SCS connector plugged in to the navigation service check connector (see FORCED STARTING OF DISPLAY ) to get to the System Links screen, then selecting Return.
Simultaneously pressing and holding the MENU, MAP/GUIDE, and CANCEL buttons.
The diagram shows the available menu choices starting at the button left and moving clockwise.
You will find a detailed explanation of each feature on the given page numbers.
In most cases, do not clear or change settings in any diagnostic screen unless instructed to do so in the explanation or by the factory.