Color of RGB Image is Not Proper (Only NAVI Screen Looks Reddish)

WARNING: This page is about a different car, the 2005 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.

CHECK RGB HARNESS
1. Turn ignition switch OFF.
2. Disconnect NAVI control unit connector B151 and display control unit connector M95.
3. Check continuity between NAVI control unit and display control unit.
4. Check continuity between NAVI control unit and ground.
- When the screen looks reddish.
  
  Fig 1: NAVI Control Unit Connector B151 And Display Control Unit Connector M95 Terminals Continuity Specifications
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 2: NAVI Control Unit Connector B151 Terminals And Ground Continuity Specifications
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 3: Checking Continuity Between NAVI Control Unit And Display Control Unit
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
- OK: GO TO 2.
- NG: Repair harness or connector.
CHECK RGB SIGNAL
1. Connect NAVI control unit connector and display control unit connector.
2. Turn ignition switch ON.
3. Display "Color bar" by "CONFIRMATION/ADJUSTMENT" mode.
4. Check signal between NAVI control unit connector B151 terminal 21 (R/W) and 17 with CONSULT-II or oscilloscope.
- When the screen looks reddish.
  Voltage signal between NAVI control unit connector B151 terminal 21 (R/W) and 17.
  - 21 (R/W) - 17: Refer to "TERMINALS AND REFERENCE VALUE FOR NAVI CONTROL UNIT ".
  Fig 4: Checking Voltage Signal Between NAVI Control Unit Connector B151 Terminal 21 (R/W) And 17
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
- OK: Replace display control unit. Refer to "REMOVAL AND INSTALLATION OF DISPLAY CONTROL UNIT ".
- NG: Replace NAVI control unit. Refer to "REMOVAL AND INSTALLATION OF NAVI CONTROL UNIT ".