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. Make sure 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.
   TERMINALS VOLTAGE REFERENCE
   
   

   ECM		Ground	Voltage signal
   Connector	Terminal
   F7	9	Ground	Courtesy of NISSAN NORTH AMERICA, INC.
   	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 ".