APRILIA RSV4 1100 Factory Service Station Manual page 204

Electrical system
Electric fan circuit
Function
Activates coolant radiator fan
Operation / Operating principle
When the ECU detects a temperature of approxi-
mately 101°C, it closes the connection between
the fan control relay excitation circuit and ground
Level in electrical circuit diagram:
electric fan
Position:
•
sensor: relay located in the front recess
of the chassis, to the right
•
connector: on relay
Electrical specifications:
•
relay normally open;
•
drive coil resistance 110 Ohm (+/- 10
%)
DIAGNOSTIC TOOL:STATUSES
Fan relay
•
on/off
DIAGNOSTIC TOOL:ACTIVATIONS
Fan
•
Energy is applied for 10 seconds to the
fan relay (36 in the electrical circuit di-
agram, position in the steering head-
stock recess, to the right; however,
CHECK the identification of the relay
with the colour of the cables). Electrical
continuity is required in the wiring for
the relay to activate correctly: no errors
are generated if the relay fails to acti-
vate
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: ELECTRICAL ERRORS
ELE SYS - 204
RSV4 1100 Factory