FixVault

RGB Screen Is Not Shown

  1. CHECK HARNESS 
    1. Turn ignition switch OFF.
    2. Disconnect AV control unit connector and display connector.
    3. Check continuity between AV control unit harness connector M78 terminal 12 and display harness connector M82 terminal 8.

      12 - 8 : Continuity should exist. 

    4. Check continuity between AV control unit harness connector M78 terminal 13 and display harness connector M82 terminal 5.

      13 - 5 : Continuity should exist. 

    5. Check continuity between AV control unit harness connector M78 terminals 12, 13 and ground.

      12 - Ground : Continuity should not exist. 

      13 - Ground 

    OK or NG

    1. OK : GO TO 2.
    2. NG : Repair harness or connector.
      Fig 1: Identifying Continuity Between AV Control Unit Harness Connector M78 Terminals 12, 13 And Ground
      G04131172Courtesy of NISSAN MOTOR CO., U.S.A.
  2. CHECK HORIZONTAL SYNCHRONIZATION SIGNAL 
    1. Connect AV control unit connector and display connector.
    2. Turn ignition switch ON.
    3. Select "Rearview" in "Confirmation/Adjustment" mode and display the rearview image on the screen.
    4. Check voltage signal between AV control unit harness connector M78 terminals 13 and 10.

      13 - 10: 

      Fig 2: Voltage Signal Graph
      G04131173Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    1. OK : GO TO 3.
    2. NG : Replace display.
      Fig 3: Identifying Voltage Signal Between AV Control Unit Harness Connector M78 Terminals 13 And 10
      G04131174Courtesy of NISSAN MOTOR CO., U.S.A.
  3. CHECK RGB AREA SIGNAL 
    1. Press "INFO" switch.
    2. Check voltage signal between AV control unit harness connector M78 terminals 12 and 10.

      12 - 10: 

      Fig 4: Voltage Signal Graph
      G04131175Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 5: Identifying Voltage Signal Between AV Control Unit Harness Connector M78 Terminals 12 And 10
      G04131176Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    1. OK : Replace display.
    2. NG : Replace AV control unit.