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Intelligent Key Battery Inspection

WARNING: This page is about a different car, the 2008 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove battery to measure voltage across battery positive (+) and negative (-) terminals.
  2. Check by connecting a resistance (approximately 300C2) so that the current value becomes about 10 mA.

    Standard: Approx. 2.5 - 3.0V 

NOTE: Key fob does not function if battery is not installed correctly.
Fig 1: Intelligent Key Battery Inspection Procedure
G04888199Courtesy of NISSAN MOTOR CO., U.S.A.