Color of RGB Image Is Not Proper (Reddish)

WARNING: This page is about a different car, the 2004 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.

RGB HARNESS CHECK

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

Fig 1: Checking Continuity Between NAVI Control Unit And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

When the screen looks reddish.

CONTINUITY - TERMINALS SPECIFICATION

Terminals				Continuity
NAVI control unit		Display unit
Connector	Terminal (wire color)	Connector	Terminal (wire color)
M57	21 (W)	M35	2 (W)	Yes
M57	17	M35	4	Yes

CONTINUITY - TERMINALS SPECIFICATION

Terminals			Continuity
NAVI control unit(+)		(-)
Connector	Terminal (wire color)	(-)
M57	21 (W)	Ground	No
M57	17	Ground	No

OK or NG

OK: GO TO 2.
NG: Repair harness or connector.

RGB SIGNAL CHECK

Connect NAVI control unit connector and display unit connector.
Turn the ignition switch ON.
Display "Color bar" by "CONFIRMATION/ADJUSTMENT" mode.
Check the signal between NAVI control unit terminal 21 (W) and 17 with CONSULT-ll or oscilloscope.

Fig 2: Checking Signal Between NAVI Control Unit Terminal
Courtesy of NISSAN MOTOR CO., U.S.A.

When the screen looks reddish.

VOLTAGE - TERMINALS SPECIFICATION

Terminals				Voltage (v)
NAVI control unit (+)		NAVI control unit (-)
Connector	Terminal (wire color)	Connector	Terminal
M57	21 (W)	M57	17	Refer to "TERMINALS AND REFERENCE VALUE FOR NAVI CONTROL UNIT ".

OK or NG

OK: Replace display unit.
NG: Replace NAVI control unit.