Audio Control Module (ACM) Self-Diagnostic Mode - Navigation ACM

WARNING: This page is about a different car, the 2008 Mercury Milan, 2008 Lincoln MKZ, and 2008 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.

The navigation system provides internal self diagnostics to assist with diagnosing vehicle concerns.

Press and hold the 3 and 6 memory preset buttons for 3 seconds.

Press the End Test button on the screen to exit the speaker walk test.

Fig 1: Bezel Diagnostics Screen Display - Speaker Walk Test Active

Courtesy of FORD MOTOR CO.

The following diagnostics are available using the on-screen buttons as follows:

Fig 2: Bezel Diagnostics Screen Display - On-Screen Buttons

Courtesy of FORD MOTOR CO.

On Demand Self Test: provides internal self-test diagnostics and displays all the DTCs resulting from the self-test.
View DTCs: provides a list of all the 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 the screen colors to be checked, and allows testing of individual display screen touch sectors.
Hardkey Test: provides the status (active/not active) of the ACM buttons and the touch screen.
Radio Signal Strength: tests the antenna signal.
Exit Diagnostics: exists diagnostics and returns to the previously selected function.

If the concern remains and the fault is not detected, go to Symptom Chart - Navigation to continue diagnostics.