Guide Sound is Not Heard

WARNING: This page is about a different car, the 2006 Nissan Pathfinder. 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)

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.

Is volume setting switched OFF?

YES: Switch the setting ON and turn the volume up.

NO: GO TO 2.

CHECK HARNESS

Turn ignition switch OFF.
Disconnect NAVI control unit connector B151 and audio unit connector M45.

Check continuity between NAVI control unit and audio unit.

CONNECTOR TERMINALS CONTINUITY REFERENCE

Terminals				Continuity
B		A
Connector	Terminal	Connector	Terminal
NAVI control unit: B151	12	Audio unit: M45	71	Yes
NAVI control unit: B151	14	Audio unit: M45	69	Yes

Check continuity between NAVI control unit and ground.

CONNECTOR TERMINALS CONTINUITY REFERENCE

Terminals			Continuity
B		-
Connector	Terminal (Wire color)	-
NAVI control unit: B151	12	Ground	No
NAVI control unit: B151	14	Ground	No

Ok or NG

OK: GO TO 3.

NG: Repair harness.

Fig 1: Checking Continuity Between NAVI Control Unit And Ground

Courtesy of NISSAN MOTOR CO., U.S.A.

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 B151 terminal 12 and 14 with CONSULT-II or oscilloscope.
Fig 2: Checking Signal Between NAVI Control Unit Harness Connector B151 Terminal 12 And 14
Courtesy of NISSAN MOTOR CO., U.S.A.

12 - 14: Refer to , " TERMINALS AND REFERENCE VALUE FOR NAVI CONTROL UNIT "

OK or NG

OK: Replace audio unit. Refer to , "AUDIO UNIT - WITH NAVI "

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