DTC Detection Logic

WARNING: This page is about a different car, the 2019 Nissan NV3500 HD and 2019 Nissan NV2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

This diagnosis result is detected when the fuel level of the fuel tank is extremely low and the engine does not run normally.

DTC	CONSULT screen terms (Trouble diagnosis content)	DTC detection condition
P1197	FUEL RUN OUT (Out of gas)	Diagnosis condition	--
		Signal (terminal)	--
		Threshold	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.
		Diagnosis delay time	--