Color Of RGB Image Is Not Proper

WARNING: This page is about a different car, the 2003 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.

COLOR BAR DIAGNOSIS CHECK
Check color tone by "SCREEN ADJUSTMENT" of Confirmation/Adjustment Mode function.

OK or NG

OK >> Inspection end.

NG >> GO TO 2.
HARNESS CHECK
1. Turn ignition switch OFF.
2. Disconnect AV and NAVI control unit connector and Display connector.
3. Check continuity between AV and NAVI control unit and Display.
4. Check continuity between AV and NAVI control unit and ground.
  - When the screen looks bluish
    
    Fig 1: Testing RGB Image When Screen Looks Bluish (1 Of 2)
    Courtesy of NISSAN MOTOR CO., U.S.A.
    
    Fig 2: Testing RGB Image When Screen Looks Bluish (2 Of 2)
    Courtesy of NISSAN MOTOR CO., U.S.A.
    
    Fig 3: Checking RGB Image (When Screen Looks Bluish)
    Courtesy of NISSAN MOTOR CO., U.S.A.
  - When the screen looks reddish
    
    Fig 4: Testing RGB Image When Screen Looks Reddish (1 Of 2)
    Courtesy of NISSAN MOTOR CO., U.S.A.
    
    Fig 5: Testing RGB Image When Screen Looks Reddish (2 Of 2)
    Courtesy of NISSAN MOTOR CO., U.S.A.
    
    Fig 6: Checking RGB Image (When Screen Looks Reddish)
    Courtesy of NISSAN MOTOR CO., U.S.A.
  - When the screen looks yellowish
    
    Fig 7: Testing RGB Image When Screen Looks Yellowish (1 Of 2)
    Courtesy of NISSAN MOTOR CO., U.S.A.
    
    Fig 8: Testing RGB Image When Screen Looks Yellowish (2 Of 2)
    Courtesy of NISSAN MOTOR CO., U.S.A.
    
    Fig 9: Checking RGB Image (When Screen Looks Yellowish)
    Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG

OK >> GO TO 3.

NG >> Repair harness.
RGB SIGNAL CHECK
1. Connect AV and NAVI control unit connector and Display connector.
2. Turn ignition switch ON.
3. Display "Color bar" by "Confirmation/Adjustment Mode" mode.
4. Check the following with CONSULT-II or oscilloscope.
  - When the screen looks bluish.
    Voltage signal between AV and NAVI control unit connector B30 terminal 18 (R/L) and 19.
    1. 18 (R/L) - 19 : Refer to " TERMINALS AND REFERENCE VALUE FOR AV AND NAVI CONTROL UNIT " .
    Fig 10: Checking RGB Signal
    Courtesy of NISSAN MOTOR CO., U.S.A.
  - When the screen looks reddish.
    Voltage signal between AV and NAVI control unit connector B30 terminal 21 (R/W) and 19.
    1. 21 (R/W) - 19 : Refer to " TERMINALS AND REFERENCE VALUE FOR AV AND NAVI CONTROL UNIT " .
  - When the screen looks yellowish.
    Voltage signal between AV and NAVI control unit connector B30 terminal 15 (B) and 19.
    1. 15 (B) - 19 : Refer to " TERMINALS AND REFERENCE VALUE FOR AV AND NAVI CONTROL UNIT " .
  OK or NG
  
  OK >> Replace Display.
  
  NG >> Replace AV and NAVI control unit.