2004 Nissan-Datsun Sentra SE-RFACTORY OEM SERVICE PROCEDURE

Procedure - With Consult-II

  1. Perform accelerator pedal released position learning, see ACCELERATOR PEDAL RELEASED POSITION LEARNING .
  2. Perform throttle valve closed position learning, see THROTTLE VALVE CLOSED POSITION LEARNING .
  3. Start engine and warm to normal operating temperature.
  4. Check that all items listed under PREPARATION  are in good order.
  5. Select "IDLE AIR VOL LEARN" in "WORK SUPPORT" mode.
  6. Touch "START" and wait 20 seconds.
  7. Ensure 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 DIAGNOSTIC PROCEDURE .
  8. Rev up the engine 2 or 3 times and ensure that idle speed and ignition timing are within specifications, see Fig 1.
Fig 1: Identifying Idle Speed & Timing Specifications
G00237169Courtesy 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.

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