DTC Detection Logic

WARNING: This page is about a different car, the 2018 Nissan Titan XD. However, it is still accessible from the selected car via links, so may be relevant.

The ECM detected the fuel temperature sensor was higher or lower than expected.

DTC	CONSULT screen terms (Trouble diagnosis content)	DTC detection condition
P0181-00	Fuel Temperature Sensor "A" Circuit Range/Performance (Engine fuel temperature - Data erratic, intermittent, or incorrect)	1	Diagnosis condition	Continuously when key is ON, or engine is running
			Signal (terminal)	-
			Threshold	Fuel temperature > 75°C
			Diagnosis delay time	Diagnostic runs continuously when the engine is running
		2	Diagnosis condition	Continuously when key is ON, or engine is running
			Signal (terminal)	-
			Threshold	Fuel temperature > 33°C
			Diagnosis delay time	Diagnostic runs continuously when the engine is running
		3	Diagnosis condition	Continuously when key is ON, or engine is running
			Signal (terminal)	-
			Threshold	Fuel temperature > 40°C
			Diagnosis delay time	Diagnostic runs continuously when the engine is running