Guide Sound is Not Heard

WARNING: This page is about a different car, the 2005 Nissan 350Z. However, it is still accessible from the selected car via links, so may be relevant.

CHECK VOICE GUIDE SETTING.
- While driving in the dark pink route, voice guide does not operate.
  NOTE: Voice guide is only available at intersections that satisfy certain conditions (indicated by bull on the map). Therefore, guidance may not be given even when the route on the map changes direction.
- Is volume setting not switched ON?
Yes or NO
- YES : GO TO 2.
- NO : Switch the setting ON and turn the volume up.
CHECK VOICE GUIDE HARNESS
1. Turn ignition switch OFF.
2. Disconnect NAVI control unit connector and audio unit connector.
3. Check continuity between NAVI control unit harness connector B 104 terminals 7 (OR), 8 (SB), 9 (B/OR), 24 (BR) and audio unit harness connector M39 terminals 32 (L/B), 30 (W/B), 31 (B/P), 24 (R/B).
  - 7 - 32 : Continuity should exist.
  - 8 - 30 : Continuity should exist.
  - 9 - 31 : Continuity should exist.
  - 24 - 24 : Continuity should exist.
4. Check continuity between NAVI control unit harness connector B 104 terminals 7 (OR), 8 (SB), 9 (B/OR), 24 (BR) and ground.
  - 7, 8, 9, 24 - Ground : Continuity should not exist.
  Fig 1: Check Continuity Between NAVI Control Unit Harness Connector B 104 Terminals 7 (Or), 8 (Sb), 9 (B/Or), 24 (Br) & Ground Continuity Test
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
- OK : GO TO 3.
- NG : Repair harness or connector.
CHECK VOICE GUIDE ON SIGNAL
1. Connect NAVI control unit connector and audio unit connector.
2. Turn ignition switch ON.
3. Push "VOICE" switch.
4. Check signal between NAVI control unit harness connector B 104 terminals 24 (BR) and 9 (B/OR) with CONSULT-II or oscilloscope.
  - 24 - 9 : Refer to "TERMINALS AND REFERENCE VALUE FOR NAVI CONTROL UNIT ".
  Fig 2: NAVI Control Unit Harness Connector B 104 Terminals 24 (Br) & 9 (B/Or) Signal Test
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
- OK : GO TO 4.
- NG : Replace NAVI control unit.
CHECK VOICE GUIDE SIGNAL
1. Push "VOICE" switch.
2. Check signal between NAVI control unit harness connector B104 terminals 7 (OR) and 8 (SB) with CONSULT-II or oscilloscope.
  - 7 - 8 : Refer to "TERMINALS AND REFERENCE VALUE FOR NAVI CONTROL UNIT ".
OK or NG
- OK : Replace audio unit.
- NG : Replace NAVI control unit.
Fig 3: Check Signal Between NAVI Control Unit Harness Connector B104 Terminals 7 (Or) & 8 (Sb) Signal Test
Courtesy of NISSAN MOTOR CO., U.S.A.