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

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


E1-E4:






E4 Continued:






Normal Operation
The audio unit receives signals from the global positioning system (GPS) satellites through the GPS antenna and computes the vehicle position. The vehicle position is then displayed based on the map CD.

Possible Causes
- circuit 140 (BK/PK) open or short to ground
- calibration
- map CD version
- audio unit