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Home >> Infiniti >> 2004 >> QX56 RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1235 (Audio Visual, Navigation & Telephone System) >> Navigation System >> Color of RGB Image is Not Proper (All Screen Looks Yellowish)

Color of RGB Image is Not Proper (All Screen Looks Yellowish)

WARNING: This page is about a different car, the 2005 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK RGB HARNESS 
    1. Turn ignition switch OFF.
    2. Disconnect display control unit connector M95 and display unit connector M93.
    3. Check continuity between display control unit and display unit.
    4. Check continuity between display control unit and ground.
    • When the screen looks yellowish. 
      Fig 1: Display Control Unit Connector M95 And Display Unit Connector M93 Terminals Continuity Specifications
      G02387253Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 2: Display Control Unit Connector M95 Terminals And Ground Continuity Specifications
      G02387254Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 3: Checking Continuity Between Display Control Unit And Display Unit
      G02387255Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    • OK: GO TO 2.
    • NG: Repair harness or connector.
  2. CHECK RGB SIGNAL 
    1. Connect display control unit connector and display unit connector.
    2. Turn ignition switch ON.
    3. Display "Color bar" by "CONFIRMATION/ADJUSTMENT" mode.
    4. Check the following with CONSULT-II or oscilloscope.
    • When the screen looks yellowish. 

      Voltage signal between display control unit connector M95 terminal 54 (B) and 47.

      Fig 4: Checking Voltage Signal Between Display Control Unit Connector M95 Terminal 54 (B) And 47
      G02387256Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG