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	CONSULT name	DTC detecting condition
B0021	CURTAIN A/B MODULE LH CIRCUIT [OPEN]	13	Diagnosis condition	When ignition switch is ON
			Signal (terminal)	LH side curtain air bag module circuit (terminal 55 and 56)
			Threshold	-
			Diagnosis delay time	-
	CURTAIN A/B MODULE LH CIRCUIT [VB-SHORT]	12	Diagnosis condition	When ignition switch is ON
			Signal (terminal)	LH side curtain air bag module circuit (terminal 55 and 56)
			Threshold	-
			Diagnosis delay time	-
	CURTAIN A/B MODULE LH CIRCUIT [GND-SHORT]	11	Diagnosis condition	When ignition switch is ON
			Signal (terminal)	LH side curtain air bag module circuit (terminal 55 and 56)
			Threshold	-
			Diagnosis delay time	-
	CURTAIN A/B MODULE LH CIRCUIT [SHORT]	1A	Diagnosis condition	When ignition switch is ON
			Signal (terminal)	LH side curtain air bag module circuit (terminal 55 and 56)
			Threshold	-
			Diagnosis delay time	-
	CURTAIN A/B MODULE LH CIRCUIT [SHORT]	09	Diagnosis condition	When ignition switch is ON
			Signal (terminal)	LH side curtain air bag module circuit (terminal 55 and 56)
			Threshold	-
			Diagnosis delay time	-