Test D: The Navigation System Does Not Operate Correctly - No Global Positioning System (GPS) Antenna Signal

PINPOINT TEST D: THE NAVIGATION SYSTEM DOES NOT OPERATE CORRECTLY - NO GLOBAL POSITIONING SYSTEM (GPS) ANTENNA SIGNAL

D1-D2:

Normal Operation
The audio unit receives signals from the GPS satellites through the GPS antenna and computes the vehicle position.

Possible Causes
- GPS antenna
- audio unit