Color of RGB Image is Not Proper (Except NAVI Screen Looks Bluish)

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

CHECK RGB HARNESS

Turn ignition switch OFF.
Disconnect display control unit connector and display unit connector.
Check continuity between display control unit and display unit.

Check continuity between display control unit and ground.

When the screen looks bluish

DISPLAY CONTROL UNIT AND DISPLAY UNIT TERMINALS CONTINUITY

Terminals				Continuity
Display control unit		Display unit
Connector	Terminal (Wire color)	Connector	Terminal (Wire color)
M95	50 (R/L)	M93	17 (R/L)	Yes
	47		7

DISPLAY CONTROL UNIT TERMINALS CONTINUITY

Terminals			Continuity
Display control unit		---
Connector	Terminal (Wire color)
M95	50 (R/L)	Ground	No
	47

Fig 1: Checking Continuity Between Display Control Unit And Display Unit Connector Terminals

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 display control unit connector and display unit connector.
2. Turn ignition switch ON.
3. Display "Color bar" by "CONFIRMATION/ADJUSTMENT" mode.
4. Check the following with CONSULT-II or oscilloscope.
  - When the screen looks bluish.
    Voltage signal between display control unit connector M95 terminal 50 (R/L) and 47.
    
    50 (R/L) - 47 : Refer to , "TERMINALS AND REFERENCE VALUE FOR DISPLAY CONTROL UNIT ".
  Fig 2: Checking Voltage Signal Between Display Control Unit Connector M95 Terminal 50 (R/L) And 47
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK : Replace display unit. Refer to , "REMOVAL AND INSTALLATION OF DISPLAY UNIT ".
2. NG : Replace display control unit. Refer to , "REMOVAL AND INSTALLATION OF DISPLAY CONTROL UNIT ".