8 - 46
–
+
ELEC
EAS00811
YES
NO
EAS00813
YES
NO
6. Thermo switch (radiator fan motor)
• Remove the thermo switch (radiator fan
motor) from the radiator.
• Connect the pocket tester (
Ω
×
1) to the
thermo switch
1
as shown.
• Immerse the thermo switch in a container
filled with coolant
2
.
NOTE:
Make sure that the thermo switch terminals
do not get wet.
• Place a thermometer
3
in the coolant.
• Slowly heat the coolant, and then let it cool
down to the specified temperature.
• Check the thermo switch for continuity at
the temperatures indicated in the table.
Test
step
Coolant temperature
Continu-
ity
Thermo switch
1
Less than 105 ± 3 °C
(221 ± 5.4 °F)
NO
2
More than 105 ± 3 °C
(221 ± 5.4 °F)
YES
3
More than 98 ± 3 °C
(208.4 ± 5.4 °F)
YES
4
Less than 98 ± 3 °C
(208.4 ± 5.4 °F)
NO
Steps 1 and 2: Heating phase
Steps 3 and 4: Cooling phase
WARNING
• Handle the thermo switch with special
care.
• Never subject the thermo switch to
strong shocks. If the thermo switch is
dropped, replace it.
T
R
.
.
thermo switch (radiator fan
motor)
30 Nm (3.0 m · kg, 22 ft · lb)
È
The thermo switch circuit is open and the radia-
tor fan is off.
É
The thermo switch circuit is closed and the
radiator fan is on.
• Does the thermo switch operate properly
as described above?
Replace the thermo
switch (radiator fan
motor).
7. Wiring
• Check the entire cooling system wiring.
Refer to “CIRCUIT DIAGRAM”.
• Is the cooling system wiring properly con-
nected and without defects?
This circuit is OK.
Properly connect or
repair the cooling
system wiring.
Содержание YP250R 2005
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