COOLING SYSTEM
ELEC
EAS00812
4. Coolant temperature sensor
Remove the coolant temperature sensor
from the cylinder head.
Connect the pocket tester ( × 1k ) to the
coolant temperature sensor
1
as shown.
Immerse the coolant temperature sensor in
a container filled with coolant2.
NOTE:
Make sure the coolant temperature sensor ter-
minals do not get wet.
•
Place a thermometer
®
in the coolant.
•
Slowly heat the coolant, and then let it cool
to the specified temperature indicated in the
table.
•
Check the thermo switch for continuity at the
temperatures indicated below.
Bj
Coolant temperature sensor resis-
tance
20°C (68°F): 2.32 ~2.59k
80°C (176°F): 0.310 ~0.326k
r?ViW:WLVel
•
Handle the coolant temperature sensor
with special care.
•
Never subject the coolant temperature
sensor to strong shocks. If the coolant
temperature sensor is dropped, replace
it.
Coolant temperature sensor
22 Nm (2.2 m
•
kg, 15.9 ft
•
lb)
•
Does the coolant temperature sensor oper-
ate properly?
V
YES
NO
Replace the coolant
temperature sensor.
EAS00813
5. Wiring
•
Check the entire cooling system’s wiring.
Refer to “CIRCUIT DIAGRAM”.
•
Is the cooling system’s wiring properly con-
nected and without defects?
YES
V
#
NO
Replace the ECU.
Properly connect or re-
pair the cooling system’s
wiring.
8-44
+1 I
Downloaded
from
www.ScooterTime.net
