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.
Fuel Pump: Wiring Diagram
For PG, go to POWER SUPPLY, GROUND & CIRCUIT ELEMENTS .
Specification data are reference values and are measured between each terminal and ground.
| TERMINAL NO. | WIRE COLOR | ITEM | CONDITION | DATA (DC Voltage) |
|---|---|---|---|---|
| 38 | G/R | Fuel pump control module (FPCM) check | [When cranking engine] | Approximately 0V |
[Engine is running]
|
4 - 6V | |||
| 39 | B/R | Fuel pump control module (FPCM) | [When cranking engine] | 0 - 0.5V |
[Engine is running]
|
8 - 12V | |||
| 113 | GR | Fuel pump relay | [Ignition switch: ON]
|
0 - 1.5V |
[Ignition switch: ON]
|
BATTERY VOLTAGE (11 - 14V) |
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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