Audio Unit Self-Diagnostic Mode

WARNING: This page is about a different car, the 2007 Lincoln Mark LT and 2007 Ford Pickup. 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 preset buttons 4 and 6 for 3 seconds.

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

Fig 1: Identifying End Test Button

Courtesy of FORD MOTOR CO.

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

Fig 2: Identifying Bezel Diagnostics Display

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 diagnostic trouble codes (DTCs) currently stored in memory.
CONFIGURATION STATUS displays the current unit configuration.
SYSTEM INFO provides the navigation module part number and software information.
GPS INFO provides satellite information and vehicle current information.
SPEAKER WALK TEST performs a speaker walk-around test.
MULTI-DISC TEST performs a test of the compact disc (CD) player mechanism.
DISPLAY TEST allows the screen colors to be checked, and for the individual sectors on the touch screen to be checked.
HARDKEY TEST checks any of the buttons operation.
RADIO SIGNAL STRENGTH performs a test of the antenna signal.