2011 Infiniti EX35 Base, AWDFACTORY OEM SERVICE PROCEDURE

Component Function Check

  1. INSPECTION START

    Turn ignition switch OFF, and restart engine.

    Does the engine start? 

    YES-1: With CONSULT-III: GO TO 2.

    YES-2: Without CONSULT-III: GO TO  3.

    NO: Go to "DIAGNOSIS PROCEDURE ".

  2. CHECK IGNITION SIGNAL FUNCTION

    With CONSULT-III 

    1. Perform "POWER BALANCE" in "ACTIVE TEST" mode with CONSULT-III.
    2. Check that each circuit produces a momentary engine speed drop.

    Is the inspection result normal? 

    YES: INSPECTION END

    NO: Go to "DIAGNOSIS PROCEDURE ".

  3. CHECK IGNITION SIGNAL FUNCTION

    Without CONSULT-III 

    1. Let engine idle.
    2. Read the voltage signal between ECM harness connector terminals under the following conditions with an oscilloscope.
    VOLTAGE SPECIFICATION

    ECM Voltage signal
    + -
    Connector Terminal Connector Terminal
    F101 11 M107 128
    G07165129Courtesy of NISSAN MOTOR CO., U.S.A.
    12
    15
    16
    19
    20
    NOTE: The pulse cycle changes depending on RPM at idle.

    Is the inspection result normal? 

    YES: INSPECTION END

    NO: Go to "DIAGNOSIS PROCEDURE ".

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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