DTC Detection Logic

WARNING: This page is about a different car, the 2020 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

DTC No.	CONSULT screen terms (Trouble diagnosis content)		DTC detection condition
B2EF0	INTERNAL BATTERY (Internal battery)	CIRC VOLT BELOW THRESHOLD	Diagnosis condition	When ignition switch is ON.
			Signal (terminal)	--
			Threshold	TCU internal malfunction
			Diagnosis delay time	Less than 1 second
		INTERNAL ELECTRONIC ERROR	Diagnosis condition	When ignition switch is ON.
			Signal (terminal)	--
			Threshold	TCU internal malfunction
			Diagnosis delay time	Less than 1 second
		INCORRECT CMPNENT INSTALLED	Diagnosis condition	When ignition switch is ON.
			Signal (terminal)	--
			Threshold	TCU internal malfunction
			Diagnosis delay time	Less than 1 second
		OVER TEMPERATURE	Diagnosis condition	When ignition switch is ON.
			Signal (terminal)	--
			Threshold	TCU internal malfunction
			Diagnosis delay time	Less than 1 second