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Home >> Nissan-Datsun >> 2017 >> Sentra SL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (1.8L) (3 Of 3) >> DTC/Circuit Diagnosis >> Fuel Injector >> Component Function Check >> Diagnostic Test

Diagnostic Test

  1. INSPECTION START

    Turn ignition switch to START.

    Is any cylinder ignited?

    YES 

    GO TO STEP 2  .

    NO 

    Proceed to DIAGNOSIS PROCEDURE .

  2. CHECK FUEL INJECTOR FUNCTION

    G-20 With CONSULT

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

    G-21 Without CONSULT

    1. Let engine idle.
    2. Listen to each fuel injector operating sound.
      G04812223Courtesy of NISSAN NORTH AMERICA, INC.
      Clicking noise should be heard.

    Is the inspection result normal?

    YES 

    INSPECTION END

    NO 

    Proceed to DIAGNOSIS PROCEDURE .

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