Illumination Control Signal Check

1. Turn the ignition switch ON.
2. Check voltage between AV and NAVI control unit and ground.
   Fig 1: Checking Illumination Control Signal (1 Of 2)

   Courtesy of NISSAN MOTOR CO., U.S.A.
   Fig 2: Checking Illumination Control Signal (2 Of 2)

   Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG 

1. OK >> Replace AV and NAVI control unit.
2. NG >> Check harness for open or short between AV and NAVI control unit and BCM.