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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 (Only NAVI Screen Looks Yellowish)

Color of RGB Image is Not Proper (Only NAVI 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 NAVI control unit connector B151 and display control unit connector M95.
    3. Check continuity between NAVI control unit and display control unit.
    4. Check continuity between NAVI control unit and ground.
    • When the screen looks yellowish. 
      Fig 1: NAVI Control Unit Connector B151 And Display Control Unit Connector M95 Terminals Continuity Specifications
      G02387241Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 2: NAVI Control Unit Connector B151 Terminals And Ground Continuity Specifications
      G02387242Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 3: Checking Continuity Between NAVI Control Unit And Display Control Unit
      G02387243Courtesy 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 NAVI control unit connector and display control unit connector.
    2. Turn ignition switch ON.
    3. Display "Color bar" by "CONFIRMATION/ADJUSTMENT" mode.
    4. Check signal between NAVI control unit connector B151 terminal 15 (B) and 17 with CONSULT-II or oscilloscope.
    • When the screen looks yellowish. 

      Voltage signal between NAVI control unit connector B151 terminal 15 (B) and 17.

      Fig 4: Checking Voltage Signal Between NAVI Control Unit Connector B151 Terminal 15 (B) And 17
      G02387244Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG