PIAGGIO Beverly 500 i.e., Workshop Manual

Page: 195 / 382

Circuit check
Proceed as follows:
1 - Set the switch to " ON " with emergency switch to " RUN " and side stand raised. The pump rotates for
2 seconds.
YES go to 2 NO go to 3
2 - Try to start up. Check that the engine speed matches the pump rotation.
YES go to 4 NO go to 5
3 - The pump does not rotate, or it rotates uninterruptedly.
YES go to 5
4 - The pump power supply is conforming.
5 - Connect the diagnostic tester to the scooter system.
YES go to 6
Specific tooling
020680Y Diagnosis Tool
6 - Try to start up. Select the function " ERRORS "
in the menu. Check whether there are any failures.
YES go to 7 YES go to 8 NO go to 28
7 - Pump control relay circuit failure.
YES go to 9
8 - Failure of:
- injector
- H.V. coil
- Signals panel
YES go to 18
9 - The control unit has detected a failure on the line of pin 19
YES go to 10 YES go to 11
10 - Line to earth. In this case, the pump always starts to rotate if there is a continuous power supply.
YES point 12
11 - Interrupted line. The relay cannot control the pump feeding
YES go to 13
Beverly 500 i.e.
Injection
INJEC - 195