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Home >> Infiniti >> 2011 >> QX56 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0460 Through P1220 >> DTC P1197: Out Of Gas >> DTC Logic >> DTC Detection Logic
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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/cm2 , 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/cm2 , 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/cm2 , 33.35 psi) or less for 5 seconds or more with the fuel level too low.
    NOTE: Allow engine coolant temperature to reach 70°C (158°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
  • Low fuel pressure sensor
  • 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