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 THROTTLE CONTROL MOTOR OUTPUT SIGNAL CIRCUIT

Turn ignition switch OFF.
Disconnect electric throttle control actuator harness connector.
Disconnect ECM harness connector.

Check the continuity between electric throttle control actuator harness connector and ECM harness connector.

+		-		Continuity
Electric throttle control actuator		ECM
Connector	Terminal	Connector	Terminal
F50	5	F54	3	Not existed
			1	Existed
	6		3	Existed
			1	Not existed

Also check harness for short to ground and to power.

Is the inspection result normal?

YES

GO TO 2.

Repair or replace error-detected parts.

CHECK THROTTLE CONTROL MOTOR
Check the throttle control motor. Refer to Component Inspection .

Is the inspection result normal?

YES

Check intermittent incident. Refer to Intermittent Incident .

NO

Replace electric throttle control actuator. Refer to Removal and Installation .