Component Function Check

1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON (READY).
3. Depress the accelerator pedal to start 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. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON (READY).
3. Perform "POWER BALANCE" in "ACTIVE TEST" mode with CONSULT-III.
4. 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. Activate "INSPECTION MODE 1 " to start engine, then let engine idle.
2. Read the voltage signal between ECM harness connector and ground.
   ECM TERMINALS AND VOLTAGE SIGNAL REFERENCE
   
   

   ECM		Ground	Voltage signal
   Connector	Terminal
   F14	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 ".