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Component Function Check

INSPECTION START
Turn ignition switch OFF, and restart engine.

Does the engine start?

YES-1: With CONSULT: GO TO 2.

YES-2: Without CONSULT: GO TO 3.

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

YES: INSPECTION END

NO: Go to "DIAGNOSIS PROCEDURE ".

CHECK IGNITION SIGNAL FUNCTION

Without CONSULT

Let engine idle.
Read the voltage signal between ECM harness connector terminals with an oscilloscope.

ECM				Voltage signal
+		-
Connector	Terminal	Connector	Terminal
F7	9	E16	112	Courtesy of NISSAN NORTH AMERICA, INC.
	10
	11
	18
	19
	21

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

Is the inspection result normal?

YES: INSPECTION END

NO: Go to "DIAGNOSIS PROCEDURE ".