Kia Niro: Fuel Delivery System / Fuel Pressure Sensor (FPS) Schematic diagrams

Circuit Diagram

Fail-Safe Mode

Item
Fail-Safe
Output Voltage (V)
12

  

If the fuel pressure sensor malfunctions, it enters fail safe mode. This means that the fuel pressure rises to match the increased level of current while the pressure in the low pressure fuel line remains static despite the rise in fuel pressure.

Terminal Information
Terminal Illustration

Terminal Function
No.
Function
Connected to
1
Fuel Pressure sensor (FPS) power supply (+5V)
Fuel Pressure Sensor (FPS)
2
Fuel Pressure sensor (FPS) signal input
Fuel Pressure Sensor (FPS)
3
Fuel Pressure sensor (FPS) ground
Fuel Pressure Sensor (FPS)

Fuel Pressure Sensor (FPS) Description and operation
Description Installed on top of the low pressure fuel pump, the Fuel Pressure Sensor (FPS) measures the pressure in the low pressure fuel line. Based on the fuel pressure measured by ...

Fuel Pressure Sensor (FPS) Repair procedures
Inspection 1. Connect the KDS/GDS on the Data Link Connector (DLC). 2. Check that the output voltage is within the specification. ...

Other information:

Kia Niro 2017 (DE HEV) Service Manual: Rail Pressure Sensor (RPS) Repair procedures
Inspection 1. Connect the KDS/GDS on the Data Link Connector (DLC). 2. Measure the output voltage of the RPS during idle at various engine speeds. Pressure Output Voltage (V) [Vref=5V] ...

Kia Niro 2017 (DE HEV) Service Manual: Repair procedures
Inspection    • When removing with a flat-tip screwdriver or remover, wrap protective tape around the tools to prevent damage to components. • Wh ...

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