Test E: Navigation System Does Not Operate Correctly - The Navigation Screen Is Inoperative

PINPOINT TEST E: NAVIGATION SYSTEM DOES NOT OPERATE CORRECTLY - THE NAVIGATION SCREEN IS INOPERATIVE

E1:

E1 Continued:

E1-E4:

Normal Operation
The screen display of the audio unit for audio and navigation is controlled by the navigation module. A digital versatile disc (DVD) map stored in the navigation module sends route data to the audio unit through the video interface circuits.

Possible Causes
- Navigation system DVD
- Audio unit
- Navigation module