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Illumination Signal Check for NAVI Control Unit

WARNING: This page is about a different car, the 2006 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK ILLUMINATION SIGNAL 
    1. Turn the ignition switch ON.
    2. Check voltage between NAVI control unit and ground.
      CONNECTOR TERMINAL GROUND VOLTAGE CHART

      Terminals Lighting switch position
      (+) (-)
      Connector Terminal 1st or 2nd position OFF
      B152 61 Ground Battery voltage Approx. 0V

    OK or NG 

    OK: Replace NAVI control unit. Refer to , "NAVI CONTROL UNIT "

    NG: Check harness for open or short between NAVI control unit and IPDM E/R.

    Fig 1: Checking Voltage Between NAVI Control Unit And Ground
    G04177819Courtesy of NISSAN MOTOR CO., U.S.A.