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 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 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 --> on the map). Therefore, guidance may not be given even when the route on the map changes direction.
  2. Yes or No
    1. YES: GO TO 2.
    2. NO: Switch the setting ON and turn the volume up.
  3. 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 SPECIFICATION

      Terminals Continuity
      NAVI control unit (+) Audio unit (-)
      Connector Terminal (Wire color) Connector Terminal (Wire color)
      P106 7(L) M45 71 (L) Yes
      8(P) 69 (P)
    4. Check continuity between NAVI control unit and ground.
    CONTINUITY SPECIFICATION

    Terminals Continuity
    NAVI control unit (+) (-)
    Connector Terminal (Wire color)
    P106 7(L) Ground No
    8(P)

    OK or NG

    1. OK: GO TO 3.
    2. NG: Repair harness.
      Fig 1: Checking Continuity Between NAVI Control Unit And Ground
      G03501279Courtesy of NISSAN MOTOR CO., U.S.A.
  4. 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 7 (L) and 8 (P) with CONSULT-II or oscilloscope.
    1. 7(L)-8(P): Refer to  TERMINALS AND REFERENCE VALUE FOR NAVI CONTROL UNIT  . 

    OK or NG

    1. OK: Replace audio unit. Refer REMOVAL AND INSTALLATION FOR AUDIO UNIT .
    2. NG: Replace NAVI control unit. Refer to REMOVAL AND INSTALLATION OF NAVI CONTROL UNIT .
      Fig 2: Checking Signal Between NAVI Control Unit Harness Connector P106 Terminal 7 (L) And 8 (P)
      G03501280Courtesy of NISSAN MOTOR CO., U.S.A.
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