Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2004 Lincoln Aviator AWDFACTORY OEM SERVICE PROCEDURE
Section 1428 (Navigation System)
WARNING: This page is about a different car, the 2005 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.
- Description And Operation
- Diagnosis And Testing
- Navigation System
- Notes
- Special Tool(s)
- Principles of Operation
- Inspection and Verification
- Symptom Chart
- Pinpoint Tests
- Pinpoint Test A: No Communication With The Navigation System Module
- Pinpoint Test B: Navigation System Does Not Operate Correctly - No Global Positioning System (GPS) Antenna Signal
- Pinpoint Test C: Navigation System Does Not Operate Correctly - The Position Cursor Is Inoperative
- Pinpoint Test D: Navigation System Does Not Operate Correctly - The Voice Guidance Is Inoperative/Does Not Operate Correctly
- Pinpoint Test E: Navigation System Does Not Operate Correctly - The Display Screen Is Inoperative
- Pinpoint Test F: Navigation System Does Not Operate Correctly - The Navigation Screen Is Inoperative
- Pinpoint Test G: Navigation System Does Not Operate Correctly - The Audible Switches Are Inoperative
- Pinpoint Test H: Navigation System Does Not Operate Correctly - Unable To Insert Or Eject A Map Disc
- Pinpoint Test I: Navigation System Does Not Operate Correctly - The Audio Unit Is Inoperative
- Pinpoint Test J: DTC B2633 Driver - Front Microphone Circuit Failure
- Pinpoint Test K: DTC U1016 - SCP Invalid Data
- Navigation System
- Removal And Installation
Factory Service Tools
Use the Manual With the Right Hardware
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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.