VESPA GTV 250 i.e. 2008 Service Station Manual page 73

Vespa GTV 250 i.e.
permanently. In this condition no operations are
possible including the start up of the vehicle.
3. Programmed control unit - the service key in
(normal condition of use): a single 0.7-second
flash is displayed, after which the LED remains off
steadily. The engine can be started.
4. Programmed control unit - Master key in: a
0.7-sec flash is displayed followed by the LED re-
maining off for 2 sec and then by short 0.46-sec
flashes, the same number of times as there are
keys stored in the memory including the Master
key. When the diagnosis has been completed, the
LED remains permanently OFF. The engine can
be started.
5. Programmed control unit - fault detected: a light code is displayed according to the fault detected,
after which the LED remains on steadily. The engine cannot be started. The codes that can be trans-
mitted are:
•
1-flash code
•
2-flash code
•
3-flash code
Diagnostic code - 1 flash
A one-flash code indicates a system where the se-
rial line is not present or is not detected. Check the
Immobilizer antenna wiring and change it if nec-
essary.
Electrical system
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