Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Nissan-Datsun >> 2006 >> Altima SE-R, Standard >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Audio, Visual, Navigation & Telephone System >> Navigation System >> Guide Sound is Not Heard

Guide Sound is Not Heard

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

    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 and audio unit connector.
    3. Check continuity between NAVI control unit and audio unit.
      NAVI CONTROL UNIT AND AUDIO UNIT

      Terminals Continuity
      NAVI control unit Audio unit
      Connector Terminal Connector Terminal
      B40 7 M45 71 Yes
      8 69
    4. Check continuity between NAVI control unit and ground.
      NAVI CONTROL UNIT AND GROUND

      Terminals Continuity
      NAVI control unit -
      Connector Terminal
      B40 7 Ground No
      8
      Fig 1: Checking Continuity Between NAVI Control Unit & Audio Unit And NAVI Control Unit & Ground
      G04171752Courtesy 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 B40 terminal 7 and 8 with CONSULT-II or oscilloscope.

      7 - 8: Refer to  TERMINALS AND REFERENCE VALUE FOR NAVI CONTROL UNIT   . 

    Fig 2: Checking Signal Between NAVI Control Unit Harness Connector B40 Terminal 7 And 8
    G04171753Courtesy 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  .