Ignition Signal Check for Display Control Unit

WARNING: This page is about a different car, the 2005 Infiniti FX45 and 2005 Infiniti FX35. However, it is still accessible from the selected car via links, so may be relevant.

CHECK IGNITION SIGNAL
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.