WARNING: This page is about a different car, the 2004 Lincoln LS. 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.

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.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.

• Brakes feel soft, pull hard to one side, or make grinding noises.

• The engine overheats, stalls repeatedly, or misfires under load.

• You are missing required tools, torque specs, or safe lifting equipment.

• You are not confident in the next step or safety outcome.

Safety Warning

Principles of Operation: Diagnostics

Use the Manual With the Right Hardware

When to See a Mechanic

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