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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 1810 (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 2006 Nissan Quest. 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 P107 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: P107 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: P107 48 Ground No
      49
      Fig 1: Checking Continuity Between NAVI Control Unit & Display Control Unit And NAVI Control Unit & Ground
      G04201830Courtesy 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 P107 terminals 48 and 49 with CONSULT-ll or oscilloscope.

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

    Fig 2: Checking RGB Synchronizing Signal
    G04201831Courtesy 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 & Display Unit And Display Control Unit & Ground
      G04201832Courtesy 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-ll or oscilloscope.

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

    Fig 4: Checking RGB Synchronizing Signal
    G04201833Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

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

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

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