2007 Nissan-Datsun Altima BaseFACTORY OEM SERVICE PROCEDURE

Component Function Check

  1. INSPECTION START

    Turn ignition switch to START.

    Is any cylinder ignited?Β 

    YES: GO TO 2.

    NO: Go to "DIAGNOSIS PROCEDUREΒ ".

  2. CHECK FUEL INJECTOR FUNCTION

    With CONSULT-IIIΒ 

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

    Without CONSULT-IIIΒ 

    1. Let engine idle.
    2. Listen to each fuel injector operating sound.

      Clicking noise should be heard.Β 

    Is the inspection result normal?Β 

    YES: INSPECTION END

    NO: Go to "DIAGNOSIS PROCEDUREΒ ".

    Fig 1: Checking Fuel Injector Operating Sound
    G04875112
Factory Service Tools

Use the Manual With the Right Hardware

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

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

When to See a Mechanic

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

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