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PIAGGIO 500 cc - Page 172

PIAGGIO 500 cc
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Fuel injection
9 - 60
Damage is also indicated as being present:
- relay pump
damage is also indicated as being present:
HV coil
Control the relay pump control circuit
See: pump feed circuit.
(see page 9-40)
Control the feed circuit with the 10A fuse
and the electromagnetic switch.
Feed to the fuel pump is regular.
(see: pump feed circuit page 9-40)
Install the special tool 020481Y between the
control unit and fuel injection system (see page 9-8)
Arrange the multimeter with the positive prod on pin
13 and the negative prod on pin 23.
Set to "ON" with the switch on "RUN" and the side
stand raised.
Check the presence of battery tension during timing
of the fuel pump.
13-23 = battery tension for 2 seconds.
YES
YES NO

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