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Home >> Kia >> 2017 >> Niro EX >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (6 Of 6) >> DTC P2540-00: Low Pressure Fuel System Sensor Circuit Range/Performance >> Component Inspection >> Component Inspection
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Component Inspection

INSPECTION PART - FPS (FUEL PRESSURE SENSOR) CONNECTOR INSPECTION

Inspection Condition (+) Probe (-) Probe Specification
Connector Terminal Connector Terminal
  1. Connect the electrical connector(s) from the concerned component.
  2. Ignition "ON" and Engine "ON".
Fuel Pressure Sensor connector 1 (power) Chassis ground - Approx. 5V
Fuel Pressure Sensor connector 2 (signal) Chassis ground - Approx. 1.2V
Fuel Pressure Sensor connector 3 (ground) Chassis ground - Approx. 0V
Good 
  • Fault might be intermittent and caused either by poor contact in connectors or wiring harness, or it has been repaired and control module memory is not cleared yet. Thoroughly check terminal of battery, all connectors (and connections) for looseness, bending, corrosion, contamination, deterioration, and/or damage. Repair or replace as necessary and then go to "Verification Of Repair " procedure.
No Good