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Home >> Nissan-Datsun >> 2019 >> Altima Edition ONE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Engine Control System (DTC/Circuit Diagnosis) (Pr25DD) (4 Of 4)) >> DTC/Circuit Diagnosis >> Fuel Injector >> Component Function Check >> PR25DD engine

PR25DD engine

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

    Refer to Diagnosis Procedure .

  2. CHECK FUEL INJECTOR FUNCTION 

    SYMBOL 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.

    SYMBOL Without CONSULT

    1. Start engine and let it idle.
    2. Listen to each fuel injector operating sound.
      G04812223Courtesy of NISSAN NORTH AMERICA, INC.

      Clicking sound should be heard.

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Refer to Diagnosis Procedure .

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