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Home >> Infiniti >> 2013 >> FX37 Limited Edition >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Component Testing >> Fuel Injector >> Component Function Check
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Component Function Check

  1. INSPECTION START 

    Turn ignition switch to START.

    Are any cylinders ignited? 

    YES: GO TO 2.

    NO: Go to "DIAGNOSIS PROCEDURE ".

  2. CHECK FUEL INJECTOR FUNCTION 

    With CONSULT 

    1. Start engine.
    2. Perform "POWER BALANCE" in "ACTIVE TEST" mode with CONSULT.
    3. Make sure that each circuit produces a momentary engine speed drop.

    Without CONSULT 

    1. Start engine.
    2. Listen to each fuel injector operating sound.

      Clicking sound should be heard. 

      Fig 1: Checking Fuel Injector Function Using Tool
      G09000945Courtesy of NISSAN NORTH AMERICA, INC.

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: Go to "DIAGNOSIS PROCEDURE ".

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