Symptom Chart

Symptom	Possible Cause	Action
Black screen (navigation and audio screens do not display.)	Temperature in passenger compartment too low Condensation in passenger compartment Electrical harness open/short circuit, dis-connected Component failure	Refer to Pinpoint Test A .
The navigation screen does not display, even when the "NAVIGATION" button is pressed (screen does not change.)	Electrical harness open/short circuit, dis-connected Component failure	Refer to Pinpoint Test B .
The hard switches do not respond.	Component failure Switch failure	Refer to Pinpoint Test C .
The audio screen cannot be operated (does not display.)	Media Oriented System Transport (MOST) system Electrical harness open/short circuit, dis-connected	Refer to Pinpoint Test D .
The screen does not dim.	Electrical harness open/short circuit, dis-connected Component failure	Refer to Pinpoint Test E .
Noise on the screen, screen color is abnormal.	Electrical harness open/short circuit, dis-connected Component failure	Refer to Pinpoint Test F .
The touch switches do not respond.	Electrical harness open/short circuit, dis-connected Component failure	Refer to Pinpoint Test G .
There is considerable deviation between the displayed vehicle position and the actual position.	Electrical harness open/short circuit, dis-connected Component failure	Refer to Pinpoint Test H .
The GPS no reception mark does not disappear.	Electrical harness open/short circuit, dis-connected Component failure No reception from satellite	Refer to Pinpoint Test I .
No sound is emitted.	Electrical harness open/short circuit, dis-connected Component failure Incorrect system settings	Refer to Pinpoint Test J .
There is no navigation voice guidance.	Volume level set too low The amplifier and speakers are incorrectly connected	Refer to Pinpoint Test K .
Voice recognition does not function.	Electrical harness open/short circuit, dis-connected Component failure	Refer to Pinpoint Test L .
The vehicle position rotates randomly.	Electrical harness open/short circuit, dis-connected Component failure Vehicle on a turntable in a parking building	Refer to Pinpoint Test M .
The vehicle mark display is unstable.	Electrical harness open/short circuit, dis-connected Component failure No reception from satellite	Refer to Pinpoint Test N .
The vehicle position does not update.	HDD contaminated/damaged Electrical harness open/short circuit, dis-connected Component failure	Refer to Pinpoint Test O .
The map display is incomplete.	HDD contaminated/damaged Electrical harness open/short circuit, dis-connected Component failure	Refer to Pinpoint Test P .
Calls cannot be received or placed with Bluetooth; Bluetooth cannot connect with the vehicle.	Incompatible bluetooth telephone Incorrect initial connection settings Electrical harness open/short circuit, dis-connected Component failure	Refer to Pinpoint Test Q .
The map cannot be updated.	Refer to the "Navigation Update Tool" operation manual	Refer to the "Navigation Update Tool" operation manual
An error screen displays on the navigation screen.	Access to the map data has not been granted	Refer to Pinpoint Test R .
The dual view cannot be switched.	Incorrect car configuration data received Media Oriented System Transport (MOST) system Component failure	Refer to Pinpoint Test S .