Ignition Signal Check for Display Control Unit

1. Turn ignition switch ON.
2. Check voltage between display control unit harness connector M75 terminal 12 (G/R) and ground.
   1. Battery voltage should exist. 

OK or NG 

1. OK : Replace display control unit.
2. NG : Check harness for open or short between display control unit and fuse.

Fig 1: Checking Voltage Between Display Control Unit Harness Connector M75 Terminal 12 (G/R) And Ground

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