Nissan OBD II diagnostic interface pinout and wiring @ pinoutsguide.com

for most 1996 and later Nissan models

Pin	Signal	Description
1	CHECK
2	J1850 Bus+
4	CGND	Chassis ground
5	SGND	Signal ground
6	CAN High	J-2284
7	K-LINE	(ISO 9141-2 and ISO/DIS 14230-4)
8	Ignition ON
10	J1850 Bus-
11	Adjust Switch
12	SCI TX
13	SCI RX
14	CAN Low	J-2284
15	ISO 9141-2 L-LINE	(ISO 9141-2 and ISO/DIS 14230-4)
16	+12v	StorageBattery power

ISO 9141 used in 1996-2004 Nissan models.

TBD protocol was used in 2005 and 2007 and CAN for all further models.

Some OBD-II cables schemes:

OBD-2 ISO 9141-2 (14230-4, KWP2000) simple serial cable
OBD-2 J1850 PWM, J1850 VPW serial ELM327 cable
OBD-2 universal ISO 15765-4 CAN, SAE J1850 PWM, SAE J1850 VPW, ISO 9141-2, ISO 14230-4 and SAE J1939 diagnostic cable

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connector or cable wiring scheme

Nissan OBD II diagnostic interface pinout

Some OBD-II cables schemes: