LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Nissan-Datsun >> 2003 >> Sentra SE-R, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 1721 (Audio, Visual, Navigation & Telephone System) >> Navigation System >> NAVI Screen is Rolling
April 5, 2026: LEMON Manuals is launched! Read the announcement.

NAVI Screen is Rolling

WARNING: This page is about a different car, the 2006 Nissan Pathfinder. 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 B151 and display control unit connector M95.
    3. Check continuity between NAVI control unit and display control unit.
      CONNECTOR TERMINALS CONTINUITY REFERENCE

      Terminals Continuity
      B A
      Connector Terminal Connector Terminal
      NAVI control unit: B151 48 Display control unit: M95 43 Yes
      49 41
    4. Check continuity between NAVI control unit and ground.
    CONNECTOR TERMINALS CONTINUITY REFERENCE

    Terminals Continuity
    B -
    Connector Terminal
    NAVI control unit: B151 48 Ground No
    49

    OK or NG

    OK: GO TO 2.

    NG: Repair harness.

    Fig 1: Checking Continuity Between NAVI Control Unit And Ground
    G04177854Courtesy 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 48 and 49 with CONSULT-II or oscilloscope.

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

    OK or NG

    OK: GO TO 3.

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

    Fig 2: Checking Signal Between NAVI Control Unit Connector M95 Terminals 48 And 49
    G04177855Courtesy of NISSAN MOTOR CO., U.S.A.
  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.
      CONNECTOR TERMINALS CONTINUITY REFERENCE

      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.
    CONNECTOR TERMINALS CONTINUITY REFERENCE

    Terminals Continuity
    Display control unit -
    Connector Terminal
    M95 56 Ground No
    49

    OK or NG

    OK: GO TO 4.

    NG: Repair harness.

    Fig 3: Checking Continuity Between Display Control Unit And Ground
    G04177856Courtesy of NISSAN MOTOR CO., U.S.A.
  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-II or oscilloscope.

    19 - 21: Refer to , " TERMINALS AND REFERENCE VALUE FOR DISPLAY CONTROL 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
    G04177857Courtesy of NISSAN MOTOR CO., U.S.A.
scientia non olet · About LEMON Manuals