•
there is power to the control unit as
specified below:
Remove the connector mounting bracket shown in
the photograph and disconnect the connector from
the control unit. Check the following conditions:
With the key switch set to OFF:
• there is battery voltage between terminals 7-9 and terminal 9-chassis ground (fixed power supply). If
there is no voltage check that fuse 2 and its cable are in working order.
With the key switch in the ON position:
• there is battery voltage between terminals 6-7 and terminal 6-chassis ground (fixed power supply). If
there is no voltage, check the ignition key contacts, that fuse 6 and its cable are in working order.
After removing the leg shield back plate, remove
the electrical connection from the aerial as shown
in the picture.
Remove the protective base from the connector.
With the ignition switch at ON check there is bat-
tery voltage between the Orange-Blue and Black
cables.
Vespa LX - S 125 3V ie 150 3V ie (2012) Electrical system
ELE SYS - 79