Component Function Check

Turn ignition switch OFF, and restart engine.

Does the engine start? 

YES: GO TO 2.

NO: Proceed to "DIAGNOSIS PROCEDURE ".

With CONSULT

1. Perform "POWER BALANCE" in "ACTIVE TEST" mode of "ENGINE" using CONSULT.
2. Check that each circuit produces a momentary engine speed drop.

Without CONSULT

1. Let engine idle.
2. Check the voltage signal between ECM harness connector and ground with an oscilloscope.

   ECM				Voltage signal
   -		+
   Connector	Terminal	Connector	Terminal
   F26	82	E18	127	Courtesy of NISSAN NORTH AMERICA, INC.
   	86
   	90
   	94

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

   Is the inspection result normal? 

   YES: INSPECTION END

   NO: Proceed to "DIAGNOSIS PROCEDURE ".