DTC Detection Logic

WARNING: This page is about a different car, the 2019 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

DTC	CONSULT screen terms (Trouble diagnosis content)	DTC detection condition
P0130	A/F SENSOR1 (B1) [Air fuel ratio (A/F) sensor 1 (bank 1) circuit]	A	Diagnosis condition	--
			Signal (terminal)	A/F sensor 1 (bank 1) signal
			Threshold	The A/F signal computed by ECM from the A/F sensor 1 signal is constantly in a range other than approx. 2.2 V
			Diagnosis delay time	--
		B	Diagnosis condition	--
			Signal (terminal)	A/F sensor 1 (bank 1) signal
			Threshold	The A/F signal computed by ECM from the A/F sensor 1 signal is constantly approx. 2.2 V
			Diagnosis delay time	--
P0150	A/F SENSOR1 (B2) [Air fuel ratio (A/F) sensor 1 (bank 2) circuit]	A	Diagnosis condition	--
			Signal (terminal)	A/F sensor 1 (bank 2) signal
			Threshold	The A/F signal computed by ECM from the A/F sensor 1 signal is constantly in a range other than approx. 2.2 V
			Diagnosis delay time	--
		B	Diagnosis condition	--
			Signal (terminal)	A/F sensor 1 (bank 2) signal
			Threshold	The A/F signal computed by ECM from the A/F sensor 1 signal is constantly approx. 2.2 V
			Diagnosis delay time	--