RGB Screen Is Rolling

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 SYNCHRONIZING CIRCUIT CHECK

Turn the ignition switch OFF.
Disconnect NAVI control unit connector and display unit connector.

Check continuity between NAVI control unit and display unit.

TERMINAL

Terminals				Continuity
NAVI control unit		Display unit
Connector	Terminal (wire color)	Connector	Terminal (wire color)
M57	20 (P)	M35	7 (P)	Yes
M57	17	M35	4	Yes

Check continuity between NAVI control unit and ground.

TERMINAL

Terminals			Continuity
NAVI control unit (+)		(-)
Connector	Terminal (wire color)	(-)
M57	20 (P)	Ground	No
M57	17	Ground	No

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.

RGB SYNCHRONIZING SIGNAL CHECK
1. Connect NAVI control unit connector and display unit connector.
2. Turn the ignition switch ON.
3. Push the "MAP" switch.
4. Check the signal between NAVI control unit harness connector M57 terminals 20(P) and 17 with CONSULT-II or oscilloscope.
  20 (P) - 17 Refer to TERMINALS AND REFERENCE VALUE FOR NAVI CONTROL UNIT .
  
  Fig 2: Checking Signal Between NAVI Control Unit Harness Connector M57 Terminals 20(P) And 17 With CONSULT-II Or Oscilloscope
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: Replace display unit.
2. NG: Replace NAVI control unit.