Related To Navigation

Symptoms	Check items	Probable malfunction location
MAP is not displayed	The navigation system-related operation can be operated.	LVDS signal circuit between display control unit and integral switch malfunction.
	The navigation system-related operation cannot be operated.	NAVI control unit power supply and ground circuit malfunction. Refer to DIAGNOSIS PROCEDURE .
	"Map data cannot be read. Please confirm~" is displayed on the screen.	Check whether SD card is inserted correctly. USB harness between external data input box and NAVI control unit.
	Only icons, such as a vehicle mark and a clock, are displayed on the screen of display control unit by the background of the black screen.	LVDS harness between display control unit and NAVI control unit.
Fuel economy display, vehicle setting operation is abnormal.	There is malfunction in the CONSULT "self - diagnosis result" of "MULTI AV". Refer to CONSULT FUNCTION .	Perform detected DTC diagnosis. Refer to DTC INDEX .
	There is no malfunction in the CONSULT "self - diagnosis results" of "MULTI AV". Refer to CONSULT FUNCTION .	Ignition signal circuit malfunction. Refer to DIAGNOSIS PROCEDURE .
Guide sound is not heard or too low.	On the setting display select "system sound (guide sound volume, etc.)," and confirm that guide sound is ON.	Voice guidance signal circuit malfunction. Refer to DIAGNOSIS PROCEDURE . (Without BOSE system.) Refer to DIAGNOSIS PROCEDURE . (With BOSE system.)