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
2012 Nissan-Datsun Sentra SE-RSECTION Wiring Diagram
WARNING: This page is about a different variant/trim than selected.
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in damage to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.
| Terminal No. | Wire color | Item | Condition | Data (DC voltage) |
|---|---|---|---|---|
| 23 | B/O | Fuel pump relay | [Ignition switch: ON]
[Engine is running] |
0 - 1.0 V |
[Ignition switch: ON]
|
Battery voltage (11 - 14 V) |
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.