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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 545 (Remote Keyless Entry System - Sedan) >> Remote Keyless Entry System >> Check Key Fob Battery and Function
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Check Key Fob Battery and Function

WARNING: This page is about a different car, the 2005 Infiniti G35. 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 BL-84, "Key Fob Battery Replacement". 
    2. Measure voltage between battery positive and negative terminals, (+) and (-).

      Voltage: 2.5 - 3.0V 

      NOTE: Key fob does not function if battery is not set correctly.
      Fig 1: Measuring Voltage Between Battery Positive And Negative Terminals
      G02354283Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK: GO TO 2.
    2. NG: Replace battery.
  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: Data Monitor Items Table
    G02354284Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 3: CONSULT-II Data Monitor Display
    G02354285Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK: Keyfob is OK.
    2. NG: Replace key fob.