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 DTC WITH TCM
Refer to Introduction .

Is the inspection result normal?

YES

GO TO 2.

NO

Repair or replace error-detected parts.
CHECK STARTING SYSTEM
Turn ignition switch OFF, then turn it to START.

Does starter motor operate?

YES

GO TO 3.

NO

Check DTC with BCM. Refer to CONSULT Function (BCM - COMMON ITEM) .

CHECK PNP SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT

Turn ignition switch OFF.
Disconnect A/T assembly harness connector.
Disconnect ECM harness connector.

Check the continuity between A/T assembly harness connector and ECM harness connector.

+		-		Continuity
A/T assembly		ECM
Connector	Terminal	Connector	Terminal
F9	9	F77	83	Existed

Also check harness for short to ground and short to power.

Is the inspection result normal?

YES

Check intermittent incident. Refer to Intermittent Incident .

Repair or replace error-detected parts.