DTC Detection Logic

WARNING: This page is about a different car, the 2019 Nissan NV3500 HD and 2019 Nissan NV2500 HD. 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
P0720	OUTPUT SPEED SENSOR (Output Shaft Speed Sensor Circuit)	1	Diagnosis condition	The vehicle speed detected by the output speed sensor is 5 km/h (3 MPH) or less
			Signal	Output speed sensor signal
			Threshold	The vehicle speed transmitted from the combination meter to TCM is 20 km/h (13 MPH) or more (Only when starts after the ignition switch is turned ON)
			Diagnosis delay time	--
		2	Diagnosis condition	The vehicle speed transmitted from the combination meter to TCM does not decrease despite the 36 km/h (23 MPH) or more of deceleration in vehicle speed detected by the output speed sensor
			Signal	Output speed sensor signal
			Threshold	The vehicle speed detected by the output speed sensor is 36 km/h (23 MPH) or more and the vehicle speed transmitted from the combination meter to TCM is 24 km/h (15 MPH) or more
			Diagnosis delay time	--