Unprogrammed System - PIAGGIO 500 cc Service Manual

Unprogrammed system

When the control unit (ECU) and the decoder are not programmed, the conditions described below occur:
- Key switch in "OFF" position. Blinking deterrent light inactive.
- Key switch in "ON" position. Ignition and fuel injection not activated and LED fixed light on.
When the key switch is set to "ON", the LED is lit as
indicated in the diagram.
The LED lighting is commanded by the decoder.
It is possible to check the information present in the
control unit using a diagnosis tester 020460Y.
To connect the diagnosis tester, open the spark plug
inspection door and pull out the EMS diagnosis socket.
Remove the protection cap and connect the tester
terminals.
Feed the diagnosis tester by connecting the clamps to
the battery poles or the specific connector to the internal
socket of the glove compartment.
ON
2 SEC.
2 SEC.
Fuel injection
fixed light on
LED on
LED off
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