Component Function Check

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 ".

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 ".

Without CONSULT-III 

1. Let engine idle.
2. Read the voltage signal between ECM harness connector and ground.
   VOLTAGE SIGNAL REFERENCE
   
   

   ECM		Ground	Voltage signal
   Connector	Terminal
   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 ".