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Home >> Infiniti >> 2023 >> QX60 Autograph, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (6 Of 6) >> DTC/Circuit Diagnosis >> Fuel Injector >> Component Function Check
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Component Function Check

  1. INSPECTION START 
    1. Turn ignition switch to START.

    Are any cylinders ignited?

    YES>>

    GO TO 2.

    NO>>

    Proceed to Diagnosis Procedure .

  2. CHECK FUEL INJECTOR FUNCTION 
    1. SYMBOL With CONSULT
      1. Start engine.
      2. Perform "POWER BALANCE" in "Active Test" mode of "ENGINE".
      3. Make sure that each circuit produces a momentary engine speed drop.
    2. SYMBOL Without CONSULT
      1. Start engine.
      2. Listen to each fuel injector operating sound.
        GNSDB37132Courtesy of NISSAN
        Clicking sound should be heard.

    Is the inspection result normal?

    YES>>

    INSPECTION END

    NO>>

    Proceed to Diagnosis Procedure .

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