SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSINFINITI2012G37 SPORT, 2D COUPEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 108 (ENGINE CONTROL SYSTEM - COMPONENT TESTING)FUEL INJECTORCOMPONENT FUNCTION CHECK
2012 Infiniti G37 Sport, 2D Coupe

Component Function Check

2012 Infiniti G37 Sport, 2D CoupeSECTION Component Function Check
WARNING: This page is about a different car, the 2012 Infiniti G25. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECTION START

    Turn ignition switch to START.

    Is any cylinder ignited? 

    YES: GO TO 2.

    NO: Go to "DIAGNOSIS PROCEDURE ".

  2. CHECK FUEL INJECTOR FUNCTION

    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.

    Without CONSULT 

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

      Clicking sound should be heard. 

      Fig 1: Checking Fuel Injector Operating Sound
      G08451654Courtesy of NISSAN NORTH AMERICA, INC.

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: Go to "DIAGNOSIS PROCEDURE ".

RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

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.