Navigation Audio Control Module (ACM) Self-Diagnostics

2009 Mercury Milan Premier, 3.0 1, AWDSECTION Navigation Audio Control Module (ACM) Self-Diagnostics
WARNING: This page is about a different car, the 2008 Mercury Mariner and 2008 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.

The navigation system provides on-board diagnostics to assist with diagnosing a concern. To carry out self-diagnostics, do the following:

Press and hold preset buttons 3 and 6 simultaneously for 3 seconds.

Press the "End Test" icon on the screen to exit the speaker walk-around test.

Fig 1: Bezel Diagnostics Screen Display - Speaker Walk Test Active
GF0004534Courtesy of FORD MOTOR CO.

The following options are available using the on-screen buttons:

Fig 2: Bezel Diagnostics Screen Display - On-Screen Buttons
GF0004535Courtesy of FORD MOTOR CO.
  • On Demand Self Test: provides internal self-test diagnostics and displays all the DTCs resulting from the self-test.
  • View DTC's: provides a list of all DTCs currently stored in memory.
  • Configuration Status: displays the current navigation ACM configuration.
  • System Info: displays the navigation ACM part number and software information.
  • GPS Info: provides satellite and current vehicle information.
  • Speaker Walk Test: performs the speaker walk-around test.
  • Multi-disc Test: checks the status of the CD player mechanism.
  • Display Test: allows checking of the screen colors, and allows checking individual sectors of the touch screen.
  • Hardkey Test: provides the status (active/not active) of the ACM buttons and touch screen.
  • Radio Signal Strength: tests the antenna signal.
  • Exit Diagnostics: exits diagnostics and returns to the main navigation screen.
  1. If the concern remains and the fault is not detected, go to Symptom Chart - NavigationΒ  to continue diagnostics.
RENDER: 1.0x

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