RGB Screen Is Not Shown

WARNING: This page is about a different car, the 2004 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.

HARNESS CHECK
1. Turn the ignition switch OFF.
2. Disconnect NAVI control unit connector and display unit connector.
3. Check continuity between NAVI control unit harness connector M57 terminal 14 (L) and Display UNIT harness connector M35 terminal 8 (L).
  Continuity should exist.
4. Check continuity between NAVI control unit harness connector M57 terminal 14 (L) and ground.
  Continuity should not exist.
  
  Fig 1: Checking Continuity Between NAVI Control Unit Harness Connector M57 Terminal 14 (L) And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: GO TO 2.
2. NG: Repair harness or connector.
RGB AREA SIGNAL CHECK
1. Connect NAVI control unit connector and display unit connector.
2. Turn ignition switch ON.
3. Push "INFO" switch.
4. Check the signal between NAVI control unit connector M57 terminals 14(L) and 17 with CONSULT-II or oscilloscope.
  
  Fig 2: Checking Signal Between NAVI Control Unit Connector M57 Terminals 14(L) And 17
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 3: Signal Check Table Between NAVI Control Unit Connector M57 Terminals 14(L) And 17
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: Replace display unit.
2. NG: Replace NAVI control unit.