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
P0603	ECM BACK UP/CIRCUIT [Internal control module keep alive memory (KAM) error]	Diagnosis condition	Ignition switch ON
		Signal (terminal)	--
		Threshold	Malfunction in the internal back up RAM of ECM Malfunction in the internal EEP-ROM system of ECM
		Diagnosis delay time	--