2004 Infiniti I35FACTORY OEM SERVICE PROCEDURE

Diagnostic Procedure

  1. INSPECTION START 

    Turn ignition switch to START.

    Is any cylinder ignited? 

    Yes or No 

    1. Yes: GO TO 2.
    2. No: GO TO  3 .
  2. CHECK OVERALL FUNCTION 

    With CONSULT-II 

    1. Start engine.
    2. Perform POWER BALANCE in ACTIVE TEST mode with CONSULT-II.
      Fig 1: Displaying CONSULT-II ACTIVE TEST Screen
      G00787497Courtesy of NISSAN MOTOR CO., U.S.A.
    3. Make sure that each circuit produces a momentary engine speed drop.

    Without CONSULT-II 

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

    Clicking noise should be heard. 

    OK or NG 

    1. OK: INSPECTION END
    2. NG: GO TO 3.
  3. CHECK INJECTOR POWER SUPPLY CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect injector harness connectors (bank 2) and harness connectors F58, F197 (bank 1).
      Fig 2: Identifying Harness Connectors F58 And F197 (Bank 1)
      G00787499Courtesy of NISSAN MOTOR CO., U.S.A.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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