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.
2012 Lincoln Navigator 2WD V8-5.4LFACTORY OEM SERVICE PROCEDURE
Test KC: Fuel Pump Control Module
Fuel Pump Control Module
Fuel Pump Control Module Connector
Harness Side
Fuel Pump Control Module 2 Module Connector
Harness Side
Fuel Pump Control Module Relay Connector - Refer to the Wiring Diagrams for schematic and connector information.
Harness Side
Inertia Fuel Shutoff (IFS) Switch Connector
Harness Side
Restraints Control Module (RCM) Connector
Harness Side
Powertrain Control Module (PCM) Connector - For PCM connector views or reference values, refer to Reference Values.
Harness Side
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.