Principles of Operation: Diagnostics

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

Fig 1: Identifying Display Of Navigation System (1 Of 3)

Courtesy of FORD MOTOR CO.

Press and hold the AUDIO and MENU buttons for 5 seconds.

Fig 2: Identifying Display Of Navigation System (2 Of 3)

Courtesy of FORD MOTOR CO.

Press 917 Enter.

Fig 3: Identifying Display Of Navigation System (3 Of 3)

Courtesy of FORD MOTOR CO.

• SELF CHECK provides internal self-test diagnostics. These DTCs are also accessible through the SCP network utilizing a diagnostic tool.
• NAVIGATION INFO provides access to speed signal, gyro, reverse input, and GPS information.
• SUB-SYSTEM INFO provides the various component configurations.
• MANUAL CHECK provides access to several diagnostics input tests:
  • Voice Output will verify the audio signals from the navigation system module and audio unit.
  • Hard Switch Test will check the various hardkey switches.
  • Microphone Test will check the strength of the voice signal.