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.
Pinpoint Test KC: Fuel Pump Control Module: Introduction
This pinpoint test is intended to diagnose the following:
- fuel pump control module (9D412)
- harness circuits: ENS, FPC, FPM, FPPWR, FPRTN, VPWR, and PWRGND
- powertrain control module (PCM) (12A650)
| Pin | Circuit |
|---|---|
| 6 | ENS (Event Notification Signal) |
| 7 | FPM (Fuel Pump Monitor) |
| 4 | PWRGND (Power Ground) |
| 1 | VPWR (Vehicle Power) |
| 8 | FPRTN (Fuel Pump Return) |
| 5 | FPPWR (Fuel Pump Power) |
| 3 | FPC (Fuel Pump Command) |
Powertrain Control Module (PCM) Connector
For PCM connector views or reference values, refer to REFERENCE VALUES .
| Pin | Circuit |
|---|---|
| B14 | FPM (Fuel Pump Monitor) |
| B56 | FPC (Fuel Pump Command) |
| Pin | Circuit |
|---|---|
| 19 | ENS (Event Notification Signal) |
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.
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