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Home >> Nissan-Datsun >> 2012 >> Altima SL >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 18 (Engine Control System - Component Testing (VQ35DE)) >> Fuel Injector >> Component Function Check

Component Function Check

WARNING: This page is about a different variant/trim than selected.
  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. Check 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. 

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: Go to "DIAGNOSIS PROCEDURE ".

      Fig 1: Checking Function Of Fuel Injector
      G08433673Courtesy of NISSAN NORTH AMERICA, INC.