RGB Screen Is Not Shown

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 HARNESS
1. Turn ignition switch OFF.
2. Disconnect display control unit connector and display connector.
3. Check continuity between display control unit harness connector M76 terminal 51 (B) and display harness connector M63 terminal 9 (B).
  1. Continuity should exist.
4. Check continuity between display control unit harness connector M76 terminal 55 (R) and display harness connector M63 terminal 8 (R).
  1. Continuity should exist.
  Fig 1: Checking Continuity Between Display Control Unit Harness Connector M76 Terminal 55
  Courtesy of NISSAN MOTOR CO., U.S.A.
5. Check continuity between display control unit harness connector M76 terminal 51 (B), 55 (R) and ground.
  1. Continuity should not exist.
OK or NG
1. OK : GO TO 2.
2. NG : Repair harness or connector.
CHECK HORIZONTAL SYNCHRONIZATION SIGNAL
1. Connect display control unit connector and display connector.
2. Turn ignition switch ON.
3. Check signal between display control unit connector M76 terminals 55 (R) and 49 with CONSULT-II or oscilloscope.
  1. 55 (R) - 49 : Refer to " TERMINALS AND REFERENCE VALUE FOR DISPLAY CONTROL UNIT ".
OK or NG
1. OK : GO TO 3.
2. NG : Replace display.
Fig 2: Checking Signal Between Display Control Unit Connector M76 Terminals 55
Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK RGB AREA SIGNAL
1. Press the "TRIP" button.
2. Check signal between display control unit connector M76 terminals 51 (B) and 49 with CONSULT-II or oscilloscope.
  1. 51 (B) - 49 : Refer to " TERMINALS AND REFERENCE VALUE FOR DISPLAY CONTROL UNIT ".
OK or NG
1. OK : Replace display.
2. NG : Replace display control unit.
Fig 3: Checking Signal Between Display Control Unit Connector M76 Terminals 51 (B) And 49
Courtesy of NISSAN MOTOR CO., U.S.A.