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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 2068 (Audio, Visual, Navigation & Telephone System) >> Navigation System >> NAVI Screen is Rolling
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NAVI Screen is Rolling

WARNING: This page is about a different car, the 2008 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK HARNESS 
    1. Turn ignition switch OFF.
    2. Disconnect NAVI control unit connector M96 and display control unit connector M95.
    3. Check continuity between NAVI control unit and display control unit.
      NAVI CONTROL UNIT AND DISPLAY CONTROL UNIT

      Terminals Continuity
      B A
      Connector Terminal Connector Terminal
      NAVI control unit: M96 48 Display control unit: M95 43 Yes
      49 41
    4. Check continuity between NAVI control unit and ground.
      NAVI CONTROL UNIT AND GROUND

      Terminals Continuity
      B -
      Connector Terminal
      NAVI control unit:M96 48 Ground No
      49
    Fig 1: Checking Continuity Between NAVI Control Unit And Display Control Unit
    G04904317Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: GO TO 2.

    NG: Repair harness.

  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 M96 terminals 48 and 49 with CONSULT-III or oscilloscope.

      48 - 49: Refer to  "TERMINALS AND REFERENCE VALUE FOR NAVI CONTROL UNIT ".

    Fig 2: Checking Signal Between NAVI Control Unit Connector M95 Terminals 48 And 49
    G04904318Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: GO TO 3.

    NG: Replace NAVI control unit. Refer to "NAVI CONTROL UNIT ".

  3. CHECK 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.
      DISPLAY CONTROL UNIT AND DISPLAY UNIT

      Terminals Continuity
      Display control unit Display unit
      Connector Terminal Connector Terminal
      M95 56 M93 19 Yes
      49 21
    4. Check continuity between display control unit and ground.
      DISPLAY CONTROL UNIT AND GROUND

      Terminals Continuity
      Display control unit -
      Connector Terminal
      M95 56 Ground No
      49
    Fig 3: Checking Continuity Between Display Control Unit And Ground
    G04904319Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: GO TO 4.

    NG: Repair harness.

  4. CHECK RGB SYNCHRONIZING SIGNAL 
    1. Connect display control unit connector and display unit connector.
    2. Turn ignition switch ON.
    3. Check signal between display unit connector M93 terminals 19 and 21 with CONSULT-III or oscilloscope.

      19 - 21: Refer to  "TERMINALS AND REFERENCE VALUE FOR DISPLAY UNIT ".

    OK or NG 

    OK: Replace display unit. Refer to "DISPLAY UNIT ".

    NG: Replace display control unit. Refer to "DISPLAY CONTROL UNIT ".

    Fig 4: Checking Signal Between Display Unit Connector M93 Terminals 19 And 21
    G04918566Courtesy of NISSAN MOTOR CO., U.S.A.
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