Repair Procedures: Inspection
- Turn ignition switch OFF and disconnect the negative (-) battery cable.
- Remove the fuel pump assembly.
- Check motor operation by fuel pump connector (A) connecting power (No. 2) and ground (No. 4)
Courtesy of HYUNDAI MOTOR AMERICA
Pin No Description 1 Fuel sender ground 2 Fuel pressure sensor (FPS) signal input 3 Fuel pressure sensor (FPS) ground (-) 4 Ground 5 CAN [Low] 6 Fuel sender signal 7 - 8 Fuel pressure sensor (FPS) power supply (+5V) 9 CAN [High] 10 Battery power (B+) - Also check that the resistance changes smoothly when the float is moved from "E" to "F".
| Position | Resistance (Ω) | Capacity (l) |
|---|---|---|
| E | 297 ~ 303 | 5.0 |
| 1/2 | 80 ~ 84 | 31.5 |
| F | 14 ~ 16 | 59.5 |