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

WARNING: This page is about a different car, the 2007 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 B505 and display control unit connector M95.
Check continuity between NAVI control unit and display control unit.

Check continuity between NAVI control unit and ground.

When the screen looks reddish.

TERMINALS CONTINUITY CHART

Terminals				Continuity
B		A
Connector	Terminal	Connector	Terminal
NAVI control unit: B505	45	Display control unit: M95	46	Yes
NAVI control unit: B505	47	Display control unit: M95	45	Yes

TERMINALS CONTINUITY CHART

Terminals			Continuity
B		-
Connector	Terminal	-
NAVI control unit: B505	45	Ground	No
NAVI control unit: B505	47	Ground	No

Fig 1: Checking Continuity Between NAVI Control Unit And Ground

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 B505 terminal 45 and 47 with CONSULT-II or oscilloscope.
  - When the screen looks reddish.
    Voltage signal between NAVI control unit connector B505 terminal 45 and 47.
    
    45 - 47 : Refer to "TERMINALS AND REFERENCE VALUE FOR NAVI CONTROL UNIT ".
    
    Fig 2: Checking Signal Between NAVI Control Unit Connector B505 Terminal 45 And 47
OK or NG

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

NG: Replace NAVI control unit. Refer to "NAVI CONTROL UNIT ".