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	CONSULT name	DTC detecting condition
B1429	BUCKLE SW RH [OPEN]	13	Diagnosis condition	When ignition switch is ON.
			Signal (terminal)	RH seat belt buckle switch. (terminal 30)
			Threshold	--
			Diagnosis delay time	--
	BUCKLE SW RH [VB-SHORT]	12	Diagnosis condition	When ignition switch is ON.
			Signal (terminal)	RH seat belt buckle switch. (terminal 30)
			Threshold	--
			Diagnosis delay time	--
	BUCKLE SW RH [GND-SHORT]	11	Diagnosis condition	When ignition switch is ON.
			Signal (terminal)	RH seat belt buckle switch. (terminal 30)
			Threshold	--
			Diagnosis delay time	--
	BUCKLE SW RH [UNDEFINED]	00	Diagnosis condition	When ignition switch is ON.
			Signal (terminal)	RH seat belt buckle switch. (terminal 30)
			Threshold	--
			Diagnosis delay time	--

POSSIBLE CAUSE

[OPEN]

Connection malfunction or open circuit of harness and connector
Internal malfunction of seat belt buckle switch RH

[VB-SHORT]

Connection malfunction or short circuit to power supply of harness and connector
Internal malfunction of seat belt buckle switch RH
Internal malfunction of air bag diagnosis sensor unit

[GND-SHORT]

Connection malfunction or short circuit to ground of harness and connector
Internal malfunction of seat belt buckle switch RH
Internal malfunction of air bag diagnosis sensor unit

[UNDEFINED]

Connection malfunction or open circuit of harness and connector
Internal malfunction of seat belt buckle switch RH
Internal malfunction of air bag diagnosis sensor unit

FAIL-SAFE

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