PIAGGIO 500 cc - Fuel Injection - Diagnostic Code n°2 Troubleshooting

Fuel injection
9 - 21
9
Using a multimeter check the continuity between
control unit pin 16 and decoder connector pin 6
NO
Reset or replace the harness
Check the connec-
tions accurately
Reset
NO
Replace the decoder.
Connect the battery
Repeat the program-
ming
Disconnect the
battery, replace the
control unit, connect
the battery. Repeat
the programming
YES
YES
2 Diagnostic code n°2
Code n°2 indicates a system in which the decoder does
not perceive the transponder signal
- Starting inhibited
- Fuel injection indicator fixed light
In this case proceed as follows:
Control whether the code is repeated when using a
second key
Check that the aerial connector is correctly inserted
Anomaly revealed with a service
key:
Replace and reprogramme.
Anomaly revealed with master key:
Replace the transponder with one
from a new cylinder kit.
Replace the decoder and control
unit.
Reprogramme.
Reset the connection and check that
the code is present.
YES
YES
NO
NO
NO
0,7’’
“ON”
0,5’’
2’’
2’’
0,5’’
0,5’’
LED off
LED on