2005 Nissan-Datsun Altima SE-R, AutomaticFACTORY OEM SERVICE PROCEDURE

With GST

  1. Start engine and warm it up to normal operating temperature.
  2. Select Service $01 with GST.
  3. Check the mass air flow sensor signal with Service $01.
  4. Check for linear mass air flow sensor signal value rise in response to increases to about 4, 000 RPM in engine speed.
  5. If NG, go to "DIAGNOSTIC PROCEDUREΒ ".
    Fig 1: Checking For Linear Mass Air Flow Sensor Signal Value
    G02525622Courtesy of NISSAN MOTOR CO., U.S.A.
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.