Color of RGB Image is Not Proper (All Screens Look Bluish)

WARNING: This page is about a different car, the 2006 Nissan Pathfinder. 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 M95 and display unit connector M93.
Check continuity between display control unit and display unit.
Check continuity between display control unit and ground.

When the screen looks bluish.

CONNECTOR TERMINALS CONTINUITY REFERENCE

Terminals				Continuity
Display control unit		Display unit
Connector	Terminal	Connector	Terminal
M95	50	M93	17	Yes
M95	47	M93	7	Yes

CONNECTOR TERMINALS CONTINUITY REFERENCE

Terminals			Continuity
Display control unit		-
Connector	Terminal	-
M95	50	Ground	No
M95	47	Ground	No

OK or NG

OK: GO TO 2.

NG: Repair harness or connector.

Fig 1: Checking Continuity Between Display Control Unit And Ground

Courtesy of NISSAN MOTOR CO., U.S.A.

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 and 47.

50 - 47: Refer to , " TERMINALS AND REFERENCE VALUE FOR DISPLAY CONTROL UNIT "

OK or NG

OK: Replace display unit. Refer to , "DISPLAY UNIT "

NG: Replace display control unit. Refer to , "DISPLAY CONTROL UNIT "

Fig 2: Checking Voltage Signal Between Display Control Unit Connector M95 Terminal 50 And 47
Courtesy of NISSAN MOTOR CO., U.S.A.