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Home >> Infiniti >> 2021 >> QX80 Premium Select, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (4 Of 5) >> Engine (ECM) >> DTC P1197: Out Of Gas >> DTC Description >> DTC Detection Logic

DTC Detection Logic

DTC No.

Trouble diagnosis name

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P1197

FUEL RUN OUT

(Out of gas)

  • Fuel rail pressure remains at 1.5 MPa (15 bar, 15.3 kg/cm 2 , 217.5 psi) or less for 3 seconds or more with the fuel level too low.
  • Fuel rail pressure remains 2.7 MPa (27 bar, 27.5 kg/cm 2 , 392 psi) lower than a target fuel pressure for 5 seconds or more with the fuel level too low.
  • Fuel rail pressure remains at 0.23 MPa (2.3 bar, 2.346 kg/cm 2 , 33.35 psi) or less for 5 seconds or more with the fuel level too low.
NOTE: Allow engine coolant temperature to reach 70 deg.C (158 deg.F) or more once.
  • Out of gas
  • Harness or connectors (The low pressure fuel pump circuit is open or shorted.)
  • Low pressure fuel pump
  • Fuel pressure regulator
  • Low pressure fuel system
  • Harness or connectors (The high pressure fuel pump circuit is shorted.)
  • High pressure fuel pump
  • High pressure fuel system
  • Fuel rail pressure sensor
  • Disconnection of the fuel hose