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

With CONSULT-II

  1. Perform "ACCELERATOR PEDAL RELEASED POSITION LEARNING ".
  2. Perform "THROTTLE VALVE CLOSED POSITION LEARNING ".
  3. Start engine and warm it up to normal operating temperature.
  4. Check that all items listed under the topic PREPARATION (previously mentioned) are in good order.
  5. Select "IDLE AIR VOL LEARN" in "WORK SUPPORT" mode.
    Fig 1: Display Select Work Item Screen (2 Of 2)
    G02525490Courtesy of NISSAN MOTOR CO., U.S.A.
  6. Touch "START" and wait 20 seconds.
    Fig 2: Display Work Support Mode Screen
    G02525491Courtesy of NISSAN MOTOR CO., U.S.A.
  7. Make sure that "CMPLT" is displayed on CONSULT-II screen. If "CMPLT" is not displayed, Idle Air Volume Learning will not be carried out successfully. In this case, find the cause of the incident by referring to the DIAGNOSTIC PROCEDURE below.
  8. Rev up the engine 2 or 3 times and make sure that idle speed and ignition timing are within the specifications.
    IDLE SPEED AND IGNITION TIMING SPECIFICATION

    ITEM SPECIFICATION
    Idle speed A/T: 675 +/- 50 rpm (in P or N position)
      M/T: 625 +/- 50 rpm (in neutral position)
    Ignition timing A/T: 15 +/- 5° BTDC (in P or N position)
      M/T: 15 +/- 5° BTDC (in neutral position)
    Fig 3: Display Work Support Mode Screen
    G02525492Courtesy of NISSAN MOTOR CO., U.S.A.
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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.