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Component Function Check

INSPECTION START
Turn ignition switch OFF, and restart engine.

Does the engine start?

YES-1: With CONSULT-III: GO TO 2.

YES-2: Without CONSULT-III: GO TO 3.

NO: Go to "DIAGNOSIS PROCEDURE ".
IGNITION SIGNAL FUNCTION
With CONSULT-III
1. Perform "POWER BALANCE" in "ACTIVE TEST" mode with CONSULT-III.
2. Make sure that each circuit produces a momentary engine speed drop.
Is the inspection result normal?

YES: INSPECTION END

NO: Go to "DIAGNOSIS PROCEDURE ".

IGNITION SIGNAL FUNCTION

Without CONSULT-III

Let engine idle.
Read the voltage signal between ECM harness connector and ground.

TERMINAL VOLTAGE REFERENCE CHART

ECM		Ground	Voltage signal
Connector	Terminal	Ground	Voltage signal
F10	17	Ground	Courtesy of NISSAN MOTOR CO., U.S.A.
	18
	21
	22

NOTE: The pulse cycle changes depending on RPM at idle.

Is the inspection result normal?

YES: INSPECTION END

NO: Go to "DIAGNOSIS PROCEDURE ".