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Guide Sound Is Not Heard

WARNING: This page is about a different car, the 2004 Infiniti G35. 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 "CIRCLE FIELD" 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. VOICE GUIDE HARNESS CHECK 
    1. Turn the ignition switch OFF.
    2. Disconnect NAVI control unit connector and audio unit connector.
    3. Check continuity between NAVI control unit and audio unit
      TERMINAL

      Terminals Continuity
      NAVI control unit (+) Audio unit (-)
      Connector Terminal (wire color) Connector Terminal (wire color)
      M57 12 (L/W) M39 32 (L/W) Yes
      13 (W/B) 30 (W/B)
      M58 37 (R/B) 24 (R/B)
    4. Check continuity between NAVI control unit and ground.
      TERMINAL

      Terminals Continuity
      NAVI control unit(+) (-)
      Connector Terminal (wire color)
      M57 12 (L/W) Ground No
      13 (W/B)
      M58 37 (R/B)
      Fig 1: Checking Continuity Between NAVI Control Unit And Audio Unit And Ground
      G03328602Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    1. OK: GO TO 3.
    2. NG: Go to next step.
      • Check harness for open or short between NAVI control unit and audio unit
      • Check connector housings for disconnected or loose terminals.
  3. VOICE GUIDE ON SIGNAL CHECK 
    1. Connect NAVI control unit connector and audio unit connector.
    2. Turn ignition switch ON.
    3. Push "VOICE" switch.
    4. Check the signal between NAVI control unit harness connector M58 terminal 37 (R/B) and ground with CONSULT-II or oscilloscope.

      37(R/B)-Ground: Refer to TERMINALS AND REFERENCE VALUE FOR NAVI CONTROL UNIT .

      Fig 2: Checking Signal Between NAVI Control Unit Harness Connector M58 Terminal 37 (R/B) And Ground With CONSULT-II Or Oscilloscope
      G03328603Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    1. OK: GO TO 4.
    2. NG: Replace NAVI control unit.
  4. VOICE GUIDE SIGNAL CHECK 
    1. Push the "VOICE" switch.
    2. Check the signal between NAVI control unit and ground with CONSULT-II or oscilloscope.
      TERMINAL

      Terminals Reference Signal
      (+) (-)
      Connector Terminal (wire color)
      M57 12 (L/W) Ground Refer to TERMINALS AND REFERENCE VALUE FOR NAVI CONTROL UNIT .
      13 (W/B)
      Fig 3: Checking Signal Between NAVI Control Unit And Ground With CONSULT-II Or Oscilloscope
      G03328604Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

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