Guide Sound is Not Heard

WARNING: This page is about a different car, the 2007 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.

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.

CHECK HARNESS

Turn ignition switch OFF.
Disconnect NAVI control unit connector B504 and audio unit connector M45.

Check continuity between NAVI control unit and audio unit.

TERMINALS CONTINUITY CHART

Terminals				Continuity
B		A
Connector	Terminal	Connector	Terminal
NAVI control unit: B504	12	Audio unit: M45	71	Yes
NAVI control unit: B504	14	Audio unit: M45	69	Yes

Fig 1: Checking Continuity Between NAVI Control Unit And Audio Unit

Check continuity between NAVI control unit and ground.

TERMINALS CONTINUITY CHART

Terminals			Continuity
B		-
Connector	Terminal	-
NAVI control unit: B504	12	Ground	No
NAVI control unit: B504	14	Ground	No

OK or NG

OK: GO TO 3.

NG: Repair harness.

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-II or oscilloscope.
  12 - 14 : Refer to "TERMINALS AND REFERENCE VALUE FOR NAVI CONTROL UNIT ".
  
  Fig 2: Checking Signal Between NAVI Control Unit Harness Connector B504 Terminal 12 And 14
OK or NG

OK: Replace audio unit. Refer to "REMOVAL AND INSTALLATION ".

NG: Replace NAVI control unit. Refer to "NAVI CONTROL UNIT ".