Illumination Control Signal Check

1. Turn ignition switch ON.
2. Check voltage between AV and NAVI control unit and ground.
   Fig 1: Electrical Testing Specifications (Illumination Control Signal)

   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.

Fig 2: Harness Check (Illumination Control)

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