2004 Nissan-Datsun Sentra SE-RFACTORY OEM SERVICE PROCEDURE

Guide Sound is Not Heard

WARNING: This page is about a different car, the 2004 Nissan Murano. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK VOICE GUIDE SETTING 
    • While driving in the dark pink route, voice guide does not operate, (note)
    • Is volume setting not switched ON?
    NOTE: Voice guide is only available at intersections that satisfy certain conditions (indicated by "BULLET" on the map). Therefore, guidance may not be given even when the route on the map changes direction.

    Yes or No

    1. YES: GO TO 2.
    2. NO: Switch the setting ON and turn the volume up.
  2. CHECK HARNESS 
    1. Turn ignition switch OFF.
    2. Disconnect NAVI control unit connector and audio unit connector.
    3. Check continuity between NAVI control unit and audio unit.
      CONTINUITY CHECK CHART

      Terminals Continuity
      NAVI control unit Audio unit
      Connector Terminal (Wire color) Connector Terminal (Wire color)
      M62 7 (V) M46 36 (V) Yes
      8 (LG) 34 (LG)
    4. Check continuity between NAVI control unit and ground.
      CONTINUITY CHECK CHART

      Terminals Continuity
      NAVI control unit Ground
      Connector Terminal (Wire color)
      M62 7 (V) No
      8 (LG)
      Fig 1: Disconnecting NAVI Control Unit Connector And Audio Unit Connector
      G03492607Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    1. OK: GO TO 3.
    2. NG: Repair harness or connector.
  3. CHECK VOICE GUIDE 
    1. Connect NAVI control unit connector and audio unit connector.
    2. Turn ignition switch ON.
    3. Check signal between NAVI control unit harness connector M62 terminal 7 (V) and 8 (LG) with CONSULT-II or oscilloscope.

      7 (V) - 8 (LG): Refer to " TERMINALS AND REFERENCE VALUE FOR NAVI CONTROL UNIT   ". 

      Fig 2: Checking Signal Between NAVI Control Unit Harness Connector Terminals
      G03492608Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    1. OK: Replace audio unit.
    2. NG: Replace NAVI control unit.
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