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Home >> Nissan-Datsun >> 2004 >> Maxima SL, RE4F04B >> Repair and Diagnosis >> Electrical >> Gauges >> Navigation System >> RGB Screen is Rolling (NAVI Screen)

RGB Screen is Rolling (NAVI Screen)

  1. CHECK HARNESS 
    1. Turn ignition switch OFF.
    2. Disconnect NAVI control unit connector and display control unit connector.
    3. Check continuity between NAVI control unit and display control unit.
      TERMINALS CONTINUITY REFERENCE

      Terminals Continuity
      NAVI control unit (+) Display control unit (-)
      Connector Terminal (Wire color) Connector Terminal (Wire color)
      M96 16 (W) M95 43 (W) Yes
    4. Check continuity between NAVI control unit and ground.
    TERMINALS CONTINUITY REFERENCE

    Terminals Continuity
    NAVI control unit (+) (-)
    Connector Terminal (Wire color)
    M96 16 (W) Ground No

    OK or NG

    1. OK: GO TO 2.
    2. NG: Repair harness.
    Fig 1: Checking Continuity Between NAVI Control Unit & Ground
    G03496425Courtesy of NISSAN MOTOR CO., U.S.A.
  2. CHECK RGB SYNCHRONIZING SIGNAL 
    1. Connect NAVI control unit connector and display control unit connector.
    2. Turn ignition switch ON.
    3. Check signal between NAVI control unit connector M95 terminals 16 (W) and 14 with CONSULT-II or oscilloscope.
    1. 16(W)-14:  Refer to "TERMINALS AND REFERENCE VALUE FOR NAVI CONTROL UNIT  ".
    Fig 2: Checking Signal Between NAVI Control Unit Connector Terminals With CONSULT-II Or Oscilloscope
    G03496426Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    1. OK: Replace display control unit. Refer to "REMOVAL AND INSTALLATION OF DISPLAY CONTROL UNIT  ".
    2. NG: Replace NAVI control unit. Refer to REMOVAL AND INSTALLATION OF NAVI CONTROL UNIT  .