Tests KB: Fuel Pump Driver Module

2006 Mercury Grand Marquis V8-4.6L VIN WSECTION Tests KB: Fuel Pump Driver Module


PINPOINT TEST KB: FUEL PUMP DRIVER MODULE

WARNING: Crown Victoria Police Interceptor vehicles equipped with fire suppression system, refer to Important Safety Warnings. Failure to follow these instructions may result in personal injury.

This pinpoint test is intended to diagnose the following:

^ fuel pump driver module (FPDM) (9D370)
^ FPDM power supply relay
^ inertia fuel shutoff (IFS) switch (9341)
^ harness circuits: B+ GND FPDM GND FPDM2 GND FPDMR GND FPM FPM2 FP FP PWR FP2P and FPDM2 PWR
^ powertrain control module (PCM) (12A650)

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FPDM2 PWR Relay Connector

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IFS Switch Connector

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PCM Connector

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RENDER: 1.0x

NO RELATED

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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.