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PIAGGIO 500 cc - Fuel Injection - Under-Panel Feed Circuit Checks

PIAGGIO 500 cc
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Fuel injection
9 - 32
YES
Using special tool 020481Y check the under-panel feed
of the control unit.
Commutator set to "ON", switch set to "RUN",
side stand raised.
PIN 26= battery positive; PIN 23= battery negative
YES
NO
NO
Control unit with under panel feed is correct
If lack of feed is revealed in only one component,
check the connector concerned.
If the anomaly concerns both the decoder and the
control unit, disconnect the connector linking the
vehicle system and the fuel injection system.
White-black wire on terminal, fuel injection side =
continuity with pin 26 of the control unit and n° 8 of
the decoder.
YES
Repair the connection or
harness
Side stand raised, commutator set to "ON",
switch set to "RUN".
Terminal vehicle system side white-black wire = battery positive tension
NO
YES
NO

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