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: Notes
This pinpoint test is intended to diagnose the following:
- fuel pump (9H307)
- fuel pump control module (9D370)
- fuel pump control module relay
- inertia fuel shutoff (IFS) switch (9341)
- harness circuits: B+, GND, FPC, FPM, FPPWR, FPRTN, IES, VPWR, and VPWR Fuel
- PCM (12A650)
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| E-Series, Expedition, F-150, Mustang, Navigator, Transit |
A | 3 4 |
FPRTN FPPWR |
| F-650/F-750, F-Series Super Duty, Motorhome/Stripped Chassis/Step Van |
B | 3 4 |
FPRTN FPPWR |
| All other vehicles | C | 4 5 |
FPRTN FPPWR |
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| F-150, F-650/F-750, Focus, Fusion, MKC, MKZ, Motorhome/Stripped Chassis/Step Van, Mustang |
A | 8 5 7 3 4 1 |
FPRTN FPPWR FPM FPC GND VPWR Fuel |
| All other vehicles | A | 6 8 5 7 3 4 1 |
ENS FPRTN FPPWR FPM FPC GND VPWR Fuel |
Fuel Pump Control Module Relay ConnectorΒ
Refer to the Wiring Diagrams service information for schematic and connector information.
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| E-Series, Motorhome/Stripped Chassis/Step Van |
A | 2 1 3 5 |
GND VPWR B+ VPWR Fuel |
| Edge, F-150, F-Series Super Duty, Flex, MKT |
B | 2 1, 3 5 |
FP B+ VPWR Fuel |
| Expedition, MKC, Mustang, Navigator, Transit |
A | 2 1, 3 5 |
FP B+ VPWR Fuel |
| F-650/F-750 | C | 86 30, 85 87 |
GND B+ VPWR Fuel |
| Fiesta | B | 2 1 3 5 |
GND VPWR B+ VPWR Fuel |
| All other vehicles | B | 1 2, 3 5 |
FP B+ VPWR Fuel |
| Pin | Circuit |
|---|---|
| 1 | VPWR Fuel - B |
| 2 | VPWR Fuel - A |
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| Transit | A | 12 | FP |
| All other vehicles | B | 29 26 |
IES FP |
| Pin | Circuit |
|---|---|
| E9 | VPWR (Vehicle Power) |
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| F-150, Mustang |
A | 26 | FP |
| All other vehicles | B | 6 | FP |
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| Expedition, Explorer, Fiesta, MKS, Navigator, Taurus, Transit |
A | 42 | ENS |
| All other vehicles | B | 19 | ENS |
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
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