PIAGGIO 500 cc, Service Manual

Page: 135 / 239

Fuel injection
9 - 23
9
4 Diagnostic code n°4
Code n°4 indicates a system in which the decoder is
blank and the control unit is programmed.
The key is recognized by the control unit.
- Starting inhibited
- Indicator
Repeat the key programming procedure using the
original MASTER key.
Led spento
Led acceso “ON”
0,5’’
2’’ 2’’
0,5’’
0,5’’
0,5’’
0,5’’
2’’
0,5’’
0,5’’
Diagnostics guide of anomalies not revealed through decoder self-diagnosis
Immobilizer LED fails to light up
Control whether the fuel injection indicator lights up for 5 seconds after setting to “ON”
Check 7.5A fuse n°8 (undersaddle compartment)
Check for any short circuits on the
digital instrument feed line.
Check that there are no short circuits on the
digital instrument itself.
YES
NO
YES
Reset
���
NO