V40 L4-1.9L Turbo VIN 29 B4204T3 (2002)
The inbuilt diagnostic functions in the audio unit can be used to check the current GPS information.
Substitute value
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None.
Possible source
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See "General information about GPS navigation"
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Contact resistance or oxidation in the connectors
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Open-circuit, short-circuit to ground or short-circuit to voltage in the antenna cable between the audio unit and the GPS antenna
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Defective antenna cable
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Defective GPS antenna.
Fault symptom[s]
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The car's position on the map is incorrect.
Checking The GPS Information, Audio HU1205
Checking the GPS information, Audio HU1205
Checking the GPS information
Activate the diagnostic menu. See Diagnostic functions Audio HU1205 (audio module) See: Description and Operation/Diagnostic Functions Audio
HU1205 (Audio Module).
Check that there is contact with at least three GPS satellites according to 2.4. GPS information. See Diagnostic functions Audio HU1205 (audio
module) See: Description and Operation/Diagnostic Functions Audio HU1205 (Audio Module).
Note! Contact with at least 3 GPS satellites is required to calculated the correct position.