Self Diagnostics

WARNING: This page is about a different car, the 2004 Lincoln Navigator and 2004 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.

Although on the SCP network, the navigation system provides internal diagnostics to assist with diagnosing vehicle concerns.

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

Fig 1: Pressing And Holding AUDIO And MENU Buttons For 5 Seconds

Courtesy of FORD MOTOR CO.

Press 917 Enter.

Fig 2: Pressing 917 Enter

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 switches.
- Microphone Test will check the strength of the voice signal.

Fig 3: Identifying Navigation Display - On-Screen Diagnostics

Courtesy of FORD MOTOR CO.