2. Starter relay
3. Fuse No. 1
4. Fuse No. 6
5. Ignition switch contacts
6. Fuse No. 2
7. Electronic control unit
8. Starter motor
9. Stop buttons
10. Fuse No. 3
11. Starter button
WARNING
ALL CONTINUITY TESTS MUST BE CARRIED OUT WITH THE CORRESPONDING CONNECTORS
DISCONNECTED.
1) Check fuses No. 1, 2, 3 and 6.
2) Check ignition switch contacts.
3) Check the contacts of the stop buttons and the starter button.
4) Check with the ignition switch «ON», brake engaged and start button pressed, the presence of voltage
between the White-Black cable of the starter relay and ground, otherwise check the cable harness.
5) Check the starter relay.
6) Check that the Red cable between the battery and the starter relay is not interrupted. Also check
continuity between the latter and the starter motor.
7) Check the starter motor ground connection.
8) Check the continuity of the Purple-White cable between the starter relay and control unit (pin 10).
Vespa LX - S 125 3V ie 150 3V ie (2012) Electrical system
ELE SYS - 85
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