2002 Nissan-Datsun Sentra SE-R, StandardFACTORY OEM SERVICE PROCEDURE

Check Key Fob Battery and Function: Notes

WARNING: This page is about a different car, the 2003 Nissan Murano. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK KEY FOB BATTERY 
    1. Remove key fob battery. Refer to KEY FOB BATTERY REPLACEMENT .
    2. Check voltage between battery positive and negative terminals, (+) and (-).

      Voltage: 2.5V - 3.0V 

    NOTE: Key fob does not function if battery is not set correctly.

    OK or NG 

    1. OK: GO TO 2.
    2. NG: Replace battery.
      Fig 1: Checking Key Fob Battery
      G01198502Courtesy of NISSAN MOTOR CO., U.S.A.

  2. CHECK KEY FOB FUNCTION 

    With CONSULT-II 

    Check key fob function in DATA MONITOR mode with CONSULT-II.

    When pushing each button of key fob, the corresponding monitor item should be turned as follows. 

    Fig 2: Checking Key Fob Function In Data Monitor Mode With Consult-II (1 Of 2)
    G01198503Courtesy 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.