Guide Sound Is Not Heard

NAVIGATION SYSTEM


Guide Sound Is Not Heard

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 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 B504 and audio unit connector M45.
3. Check continuity between NAVI control unit and audio unit.










4. Check continuity between NAVI control unit and ground.






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 B504 terminal 12 and 14 with CONSULT-III or oscilloscope.

12 - 14 : Refer to Terminal And Reference Value For NAVI Control Unit.


OK or NG
OK - Replace audio unit. Refer to Service and Repair.
NG - Replace NAVI control unit. Refer to Programming and Relearning Service and Repair,