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.
Component Inspection
- CHECK FUEL PUMP CONTROL MODULE (FPCM)
- Start engine and warm it up normal operating temperature.
- Turn ignition switch OFF and wait at least 10 seconds.
- Check the voltage between FPCM terminals under the following conditions.CONNECTOR TERMINAL VOLTAGE CHART
FPCM Ground Condition Voltage (V) Connector Terminal B111 4 Ground When engine cranking Approx. 0 After starting engine Approx. 5 Is the inspection result normal?
YES: INSPECTION END
NO: Replace FPCM.
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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.
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