2004 Nissan-Datsun Sentra SE-RFACTORY OEM SERVICE PROCEDURE

With Consult-II

  1. Check the coolant level in the reservoir tank and radiator.

    Allow engine to cool before checking coolant level.Β 

    If the coolant level in the reservoir tank and/or radiator is below the proper range, skip the following steps and go to "DIAGNOSTIC PROCEDUREΒ ".

  2. Confirm whether customer filled the coolant or not. If customer filled the coolant, skip the following steps and go to "DIAGNOSTIC PROCEDUREΒ ".
  3. Turn ignition switch ON.
    Fig 1: Checking Coolant Level In Reservoir Tank
    G00778215Courtesy of NISSAN MOTOR CO., U.S.A.
  4. Perform "COOLING FAN" in "ACTIVE TEST" mode with CONSULT-II.
  5. If the results are NG, go to "DIAGNOSTIC PROCEDUREΒ ".
    Fig 2: Displaying ACTIVE TEST Mode With Consult-II
    G00778216Courtesy of NISSAN MOTOR CO., U.S.A.
Factory Service Tools

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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.

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