LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2017 >> QX80 Base, RWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTCS) (3 Of 4) >> DTC/Circuit Diagnosis >> DTC P119C: Fuel Rail Pressure Sensor >> DTC Logic >> DTC Detection Logic
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Detection Logic

DTC No. Trouble diagnosis name
(Trouble diagnosis content)
DTC detecting condition Possible cause
P119C FUEL PRESSURE SENSOR
(Fuel pressure sensor)
All of the following conditions are satisfied:
  • Battery voltage: 8 V or more
  • Engine speed: 600 rpm or more
  • Engine coolant temperature: With a background of 65°C (149°F) or more during the trip
  • Remaining fuel amount: 15% or more
  • Fuel cut: No
  • Harness or connectors

    (The fuel rail pressure sensor circuit is open or shorted.)

  • Sensor power supply 3 is shorted
  • Fuel rail pressure sensor