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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. Check 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.

VOLTAGE SPECIFICATION

ECM		Ground	Voltage signal
Connector	Terminal	Ground	Voltage signal
F7	9	Ground	Courtesy of NISSAN MOTOR CO., U.S.A.
	10
	11
	21

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

Is the inspection result normal?

YES: INSPECTION END

NO: Go to , "DIAGNOSIS PROCEDURE ".