DTC Diagnosis Procedure

WARNING: This page is about a different car, the 2019 Nissan NV3500 HD, 2019 Nissan NV2500 HD, and 2019 Nissan NV1500. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FUSES AND FUSIBLE LINK

Check that the following fuses and fusible link are not blown.

Terminal No.	Signal name	Fuses and fusible link No.
57	Battery power supply	22 (10A)
70	Battery power supply	J (40A)
11	Ignition ACC or ON	9 (10A)
38	Ignition ON or START	12 (10A)

Is the fuse or fusible link blown?

YES

Replace the blown fuse or fusible link after repairing the affected circuit.

GO TO 2.

CHECK POWER SUPPLY CIRCUIT

Turn ignition switch OFF.
Disconnect BCM connectors.

Check voltage between BCM connector and ground.

Terminals			Ignition switch position
(+)		(-)
BCM			OFF	ACC	ON
Connector	Terminal
M20	70	Ground	Battery voltage	Battery voltage	Battery voltage
	57
M18	11		Approx. 0 V	Battery voltage	Battery voltage
	38		Approx. 0 V	Approx. 0 V	Battery voltage

Is the inspection result normal?

YES

GO TO 3.

Repair harness or connector.

CHECK GROUND CIRCUIT

Check continuity between BCM connector and ground.

BCM		Ground	Continuity
Connector	Terminal
M20	67		Yes

Is the inspection result normal?

YES

Inspection End.

Repair harness or connector.