APRILIA Tuono V4 1100 Factory Service Station Manual page 233

Tuono V4 1100 Factory
RUN/STOP switch
Function
Indicates the control unit if the rider wishes to en-
able engine start-up or to keep the engine running.
Operation / Operating principle
If you want to stop the engine or to prevent it from
starting, the switch must be open, meaning that
PIN 78 of the VEHICLE connector of the Marelli
control unit must not be grounded.
Level in electrical circuit diagram:
Start enable switches
Position:
•
on the vehicle: Right hand light switch.
•
connector: inside the support (4-ways
black).
Electrical specifications:
•
STOP position: open circuit
•
RUN position: closed circuit (continui-
ty)
Pin out:
1. Ground - Green/Pink colour
2. 5V signal - Engine start-up - Pink/Brown colour
3. Ground - Green/Pink colour
4. 5V signal - Engine stop - Pink/Yellow colour
CAUTION
BEFORE CARRYING OUT ANY TROUBLESHOOTING,
CAREFULLY READ THE GENERAL TROUBLESHOOTING
CONCEPTS FOR ELECTRICAL DEVICES AT THE BEGIN-
NING OF THE CHECK AND CONTROL SECTION IN THE
ELECTRICAL SYSTEM CHAPTER.
DIAGNOSTIC TOOL: STATUSES
RUN/STOP switch
•
Run/Stop
NOTES
•
Indication on the diagnostic tool always STOP: disconnect the connector and check with the
RUN switch if there is continuity towards the two Blue/Green and Yellow/Red cables: if it is
missing, replace the sensor; if there is, perform the connector check procedure: if not ok,
restore the wiring harness; if ok, check with the key ON if there is voltage on the Yellow/Red
cable: if it is missing, restore the wiring harness; if there is, check the ground insulation of
Electrical system
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