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Home >> Ford >> 2006 >> Expedition 2WD V8-5.4L VIN 5 >> Repair and Diagnosis >> Accessories and Optional Equipment >> Navigation System >> Testing and Inspection >> Pinpoint Tests >> Test P: Navigation System Does Not Operate Correctly - Navigation System Is Inaccurate
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Test P: Navigation System Does Not Operate Correctly - Navigation System Is Inaccurate

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


P1-P5:






P5 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
- navigation system CD
- navigation system calibration
- reverse input