RGB Screen Is Rolling

RGB SYNCHRONIZING CIRCUIT CHECK
1. Turn the ignition switch OFF.
2. Disconnect NAVI control unit connector and display unit connector.
3. Check continuity between NAVI control unit and display unit.
  
  Fig 1: Terminals Continuity Chart
  Courtesy of NISSAN MOTOR CO., U.S.A.
4. Check continuity between NAVI control unit and ground.
  
  Fig 2: Terminals Continuity Chart
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 3: Checking Continuity Between NAVI Control Unit And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK : GO TO 2.
2. NG :
  - Check connector housings for disconnected or loose terminals.
  - 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 B104 terminals 20 (P) and 17 with CONSULT-II or oscilloscope.
  1. 20 (P) -17 : Refer to "TERMINALS AND REFERENCE VALUE FOR NAVI CONTROL UNIT ".
Fig 4: Checking Signal Between NAVI Control Unit Harness Connector B104 Terminals 20 (P)
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
1. OK : Replace display unit.
2. NG : Replace NAVI control unit.