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Navigation Module Diagnostic Menu: Notes

Pressing the NAVI button on the Diagnosis Menu screen leads to a screen titled NAVI DIAG MENU. This screen has three buttons and each button, when pressed, leads to a submenu. The three buttons are:

These three submenus may be used to test the navigation module (NAV) color signals and GPS information. These submenus are described below

Fig 1: Navigation Diagnostic Menu
GM737671Courtesy of GENERAL MOTORS COMPANY