Component Function Check

Turn ignition switch to START.

Is any cylinder ignited? 

YES: GO TO 2.

NO: Proceed to "DIAGNOSIS PROCEDURE ".

With CONSULT

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

Without CONSULT

1. Let engine idle.
2. Listen to each fuel injector operating sound.

   Clicking noise should be heard. 

   Is the inspection result normal? 

   YES: INSPECTION END

   NO: Proceed to "DIAGNOSIS PROCEDURE ".

Fig 1: Checking Fuel Injector Operating Sound

Courtesy of NISSAN NORTH AMERICA, INC.