Sherco Diagnostic Tools - SHERCO 2013 SE 250i-R Shop Manual

SHERCO diagnostic tools

Your Sherco 250i/300i/450i/510i is equipped with a Magneti Marelli fuel injection system. This
system consists of a computer (ECU), an injector body, a fuel pump and various sensors (air
pressure, air temperature, engine temperature and butterfly position sensor). To perform the
diagnosis you must install the Sherco Vehicle Diagnostic Scan Tool Software (VDSTS).
SHERCO reference R471. This software does not change the fuel injection map. This is only a
diagnostic tool.
Num
1 Housing ECU+ atmospheric pressure sensor
2 Butterfly position sensor (TPS)
3 Air temperature sensor
4 Water temperature sensor
5 Engine speed sensor
Designation
3
4
2
Above the engine under the main frame.
The sensor is built into the ECU box.
On the right side of the injector body
At the top and back of the air box
At the rear of the cylinder head
Upper Ignition crankcase
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Emplacement