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

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 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 yellowish.

NAVI CONTROL UNIT AND DISPLAY CONTROL UNIT TERMINALS CONTINUITY

Terminals				Continuity
NAVI control unit		Display control unit
Connector	Terminal (Wire color)	Connector	Terminal (Wire color)
B151	15 (B)	M95	48 (B)	Yes
	17		45

NAVI CONTROL UNIT TERMINALS CONTINUITY

Terminals			Continuity
NAVI control unit		---
Connector	Terminal (Wire color)
B151	15 (B)	Ground	No
	17

Fig 1: Checking Continuity Between NAVI Control Unit And Display Control 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 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 B151 terminal 15 (B) and 17 with CONSULT-II or oscilloscope.
  - When the screen looks yellowish.
    Voltage signal between NAVI control unit connector B151 terminal 15 (B) and 17.
    
    15 (B) - 17 : Refer to , "TERMINALS AND REFERENCE VALUE FOR NAVI CONTROL UNIT ".
  Fig 2: Checking Voltage Signal Between NAVI Control Unit Connector B151 Terminal 15 (B) 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 NAVI CONTROL UNIT ".