DTC Detection Logic

WARNING: This page is about a different car, the 2018 Nissan Maxima. 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
B1F10	ANC MIC2 CIRC OPEN (Active noise cancellation microphone2 circuit open)	OPEN	Diagnosis condition	When ignition switch is ON.
			Signal (terminal)	MIC 2 + (AS) (terminal 60) MIC 2 - (AS) (terminal 40)
			Threshold	-
			Diagnosis delay time	30 seconds or more
B1F11	ANC MIC2 CIRC SHORT (Active noise cancellation microphone2 circuit short)	SHORT	Diagnosis condition	When ignition switch is ON.
			Signal (terminal)	MIC 2 + (AS) (terminal 60) MIC 2 - (AS) (terminal 40)
			Threshold	-
			Diagnosis delay time	30 seconds or more
B1F12	ANC MIC2 CIRC SHORT-BAT (Active noise cancellation microphone2 circuit short-battery)	VB-SHOR	Diagnosis condition	When ignition switch is ON.
			Signal (terminal)	MIC 2 + (AS) (terminal 60) MIC 2 - (AS) (terminal 40)
			Threshold	-
			Diagnosis delay time	30 seconds or more
B1F13	ANC MIC2 CIRC SHORT-GND (Active noise cancellation microphone2 circuit short-ground)	GND-SHORT	Diagnosis condition	When ignition switch is ON.
			Signal (terminal)	MIC 2 + (AS) (terminal 60) MIC 2 - (AS) (terminal 40)
			Threshold	-
			Diagnosis delay time	30 seconds or more