Color of RGB Image Is Not Proper (Yellowish)

WARNING: This page is about a different car, the 2003 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.

RGB 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 and display unit.
4. Check continuity between NAVI control unit and ground.
  - When the screen looks yellowish.
OK or NG
1. OK : GO TO 2.
2. NG : Repair harness or connector.
RGB Signal Check
1. Connect NAVI control unit connector and display unit connector.
2. Turn the ignition switch ON.
3. Display "Color bar" by "CONFIRMATION/ADJUSTMENT" mode.
4. Check the signal between NAVI control unit terminal 15(R) and 17 with CONSULT-II or oscilloscope.
  
  Fig 4: Checking Signal Between NAVI Control Unit Terminal 15(R) And 17 With CONSULT-II Or Oscilloscope
  Courtesy of NISSAN MOTOR CO., U.S.A.
  - When the screen looks yellowish.
  Fig 5: Voltage Check Between Terminals 15(R) And 17 And Connector Ground Table
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK : Replace display unit.
2. NG : Replace NAVI control unit.