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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 1249 (Remote Keyless Entry System) >> Remote Keyless Entry System >> Key Fob Battery and Function Check >> Check Key Fob Battery
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Check Key Fob Battery

WARNING: This page is about a different car, the 2004 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

Remove battery and measure voltage across battery positive and negative terminals, (+) and (-).

  1. 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: Key Fob Battery Condition
G00341233Courtesy of NISSAN MOTOR CO., U.S.A.