Hyundai Ioniq (AE): Fuel Delivery System / Fuel Pressure Sensor (FPS). Description and operation

Description
The fuel pressure sensor (FPS) is installed on the top of the low pressure fuel pump and measures the pressure in the low pressure fuel line.
Based on the fuel pressure measured by the FPS and the amount of fuel consumed, the fuel pump control module (FPCM) determines whether to activate the low pressure fuel pump.After activating the low pressure fuel pump, the FPS continues to provide the fuel pressure information to the FPCM and the FPCM keeps controlling the fuel flow rate using the feedback information from the FPS.

    Removal1.Turn the ignition switch OFF and disconnect the battery negative (-) cable.2.Remove the rear seat cushion. (Refer to Body - "Rear Seat Assembly")3.

    Specification Pressure [KPa (kgf/cm², psi)] Output Voltage (V) 50 (0.

    Other information:

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Heater Unit. Repair procedures

    Replacement    When prying with a flat-tip screwdriver or use a prying trim tool, wrap it with protective tape, and apply protective tape around the related parts, to prevent damage.1.Disconnect the negative (-) battery terminal.2.Recover the refrigerant with a recovery / recycling / charging station.

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Schematic diagrams

    System Block DiagramComponent Parts and Function Outline Component part Function Vehicle-speed sensor, ESP/ABS Control ModuleConverts vehicle speed to pulse.VCUReceives signals from sensor and control switches.

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