Color of RGB Image is Not Proper (NAVI Screen looks bluish)

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

CHECK RGB HARNESS

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

When the screen looks bluish

Fig 1: Checking Continuity Between NAVI Control Unit And Ground

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

CONTINUITY CHECK CHART

Terminals				Continuity
NAVI control unit		Display control unit
Connector	Terminal (Wire color)	Connector	Terminal (Wire color)
M62	18 (BR/Y)	M43	44 (BR/Y)	Yes
M62	17	M43	45	Yes

CONTINUITY CHECK CHART

Terminals
	NAVI control unit		Ground
Connector	Terminal (Wire color)
M62	18 (BR/Y)	No
M62	17	No

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 terminal 18 (BR/Y) and 17 with CONSULT-II or oscilloscope.
  
  Fig 2: Checking Signal Between NAVI Control Unit Terminals
  Courtesy of NISSAN MOTOR CO., U.S.A.
- When the screen looks bluish.
  Voltage signal between NAVI control unit connector M62 terminal 18 (BR/Y) and 17.
  
  18 (BR/Y) -17: Refer to " TERMINALS AND REFERENCE VALUE FOR NAVI CONTROL UNIT ".
OK or NG
1. OK: Replace display control unit.
2. NG: Replace NAVI control unit.