Color Of RGB Image Is Not Proper (NAVI Screen Looks Bluish)

WARNING: This page is about a different car, the 2004 Nissan Quest. 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

CONTINUITY SPECIFICATION

Terminals				Continuity
NAVI control unit (+)		Display control unit (-)
Connector	Terminal (Wire color)	Connector	Terminal (Wire color)
P106	18 (R)	M95	44 (R)	Yes
	17		45

CONTINUITY SPECIFICATION

Terminals			Continuity
NAVI control unit (+)		(-)
Connector	Terminal (Wire color)
P106	18 (R)	Ground	No
	17

Fig 1: Checking Continuity Between NAVI Control Unit And Ground

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 P106 terminal 18 (R) and 17 with CONSULT-II or oscilloscope.
  - When the screen looks bluish.
  Voltage signal between NAVI control unit connector P106 terminal 18 (R) and 17.
  1. 18(R)-17: Refer to TERMINALS AND REFERENCE VALUE FOR NAVI CONTROL UNIT .
  Fig 2: Checking Signal Between NAVI Control Unit Connector P106 Terminal 18 (R) And 17
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  OK or NG
  1. OK: Replace display control unit. Refer to REMOVAL AND INSTALLATION OF DISPLAY CONTROL UNIT .
  2. NG: Replace NAVI control unit. Refer to REMOVAL AND INSTALLATION OF DISPLAY CONTROL UNIT .