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.
2017 Hyundai Sonata SportFACTORY OEM SERVICE PROCEDURE
FPCM Terminal Function
| Pin No. | Description | Connected to |
|---|---|---|
| 1 | Fuel sender ground | Fuel Pump |
| 2 | Fuel pressure sensor (FPS) signal input | Fuel Pressure Sensor (FPS) |
| 3 | CAN [High] | ECM |
| 4 | Fuel pressure sensor (FPS) power supply (+5V) | Fuel Pressure Sensor (FPS) |
| 5 | Fuel pressure sensor (FPS) ground (-) | Fuel Pressure Sensor (FPS) |
| 6 | Fuel sender signal | Fuel Pump |
| 7 | - | - |
| 8 | CAN [Low] | ECM |
| 9 | Ground | Chassis Ground |
| 10 | Battery power (B+) | Fuel Pump Relay |
Factory Service Tools
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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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