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Home >> Lincoln >> 2004 >> LS V8-3.9L VIN A >> Repair and Diagnosis >> Accessories and Optional Equipment >> Navigation System >> Testing and Inspection >> Pinpoint Tests >> Test G
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Test G

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


Test G1:






Test G1-G3:






Test G3-G4:






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

Possible Causes
- navigation system disc
- navigation system module
- audio unit
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