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Home >> Infiniti >> 2010 >> FX35 AWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System (VQ35HR) - Component & System Tests, Ecu & Symptom Diagnosis, Precaution & Preparation, On-Vehicle Maintenance & Repair, Service Data And Specifications (SDS) >> 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-III 

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

    Without CONSULT-III 

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

      Clicking sound should be heard. 

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: Go to DIAGNOSIS PROCEDURE .

      Fig 1: Checking Fuel Injector Operating Sound
      G04875112Courtesy of NISSAN MOTOR CO., U.S.A.