RGB Screen is not Shown

Check Harness
1. Disconnect connectors of AV control unit and display.
2. Check continuity between AV control unit harness connector M78 terminal 12 (B) and display harness connector M82 terminal 8 (B).
  
  Fig 1: Checking Ignition Signal Harness
  Courtesy of NISSAN MOTOR CO., U.S.A.
  1. Continuity should exist.
3. Check continuity between AV control unit harness connector M78 terminal 13 (W) and display harness connector M82 terminal 5 (W).
  1. Continuity should exist.
4. Check continuity between AV control unit harness connector M78 terminal 12 (B), 13 (W) and ground.
  1. Continuity should not exist.
OK or NG
1. OK: Go to 2.
2. NG:
  - Check connector housings for disconnected or loose terminals.
  - Repair harness or connector.
Check Horizontal Synchronization Signal
1. Connect connectors of AV control unit and display.
2. Turn ignition switch ON.
3. Check voltage signal between AV control unit harness connector M78 terminals 13 (W) and 10.
  
  Fig 2: Checking Voltage Signal Between AV Control Unit Harness Connector M78 Terminals 13 And 10
  Courtesy of NISSAN MOTOR CO., U.S.A.
  1. 13 (W) -10: Refer to TERMINALS AND REFERENCE VALUE FOR AV CONTROL UNIT
OK or NG
1. OK: Go to 3.
2. NG: Replace display.
Check RGB Area Signal
1. Press "INFO" switch.
2. Check voltage signal between AV control unit harness connector M78 terminals 12 (B) and 10.
  
  Fig 3: Checking Voltage Signal Between AV Control Unit Harness Connector M78 Terminals 12 And 10
  Courtesy of NISSAN MOTOR CO., U.S.A.
  1. 12 (B) - 10: Refer to TERMINALS AND REFERENCE VALUE FOR AV CONTROL UNIT
OK or NG
1. OK: Replace display.
2. NG: Replace AV control unit.