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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 >> Guide Sound is Not Heard
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Guide Sound is Not Heard

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 VOICE GUIDE SETTING 
    • While driving in the dark green route, voice guide does not operate.
    • Is volume setting switched ON?
      NOTE: Voice guide is only available at intersections that satisfy certain conditions (indicated by black circle on the map). Therefore, guidance may not be given even when the route on the map changes direction.

    Yes or No 

    YES: GO TO 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 P106 and audio unit connector M45.
    3. Check continuity between NAVI control unit and audio unit.
      NAVI CONTROL UNIT AND AUDIO UNIT

      Terminals Continuity
      B A
      Connector Terminal Connector Terminal
      NAVI control unit: P106 12 Audio unit: M45 71 Yes
      14 69
    4. Check continuity between NAVI control unit and ground.
      NAVI CONTROL UNIT AND GROUND

      Terminals Continuity
      B -
      Connector Terminal
      NAVI control unit: P106 12 Ground No
      14
      Fig 1: Checking Continuity Between NAVI Control Unit & Audio Unit And NAVI Control Unit & Ground
      G04201834Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: GO TO 3.

    NG: Repair harness.

  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 P106 terminal 12 and 14 with CONSULT-ll or oscilloscope.

      12 - 14: Refer to , " TERMINALS AND REFERENCE VALUE FOR NAVI CONTROL UNIT  ". 

    Fig 2: Checking Voice Guide
    G04201835Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: Replace audio unit. Refer to , "AUDIO UNIT ".

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