Ignition Signal Check

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

   Courtesy of NISSAN MOTOR CO., U.S.A.
   Fig 2: Checking Ignition 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 fuse.