Diagnosis Procedure

WARNING: This page is about a different car, the 2018 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

CHECK THROTTLE CONTROL MOTOR OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT

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.

Electric throttle control actuator		ECM		Continuity
Connector	Terminal	Connector	Terminal
F57	1	F13	1	Not existed
			3	Existed
	2		1	Existed
			3	Not existed

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

Is the inspection result normal?

YES

GO TO 2.

Repair or replace malfunctioning part.

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

Is the inspection result normal?

YES

INSPECTION END

NO

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