Yamaha XN125 2000, Руководство по обслуживанию

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ELEC
8-38
COOLING SYSTEM
EAS00811
6.Thermo switch
• Remove the thermo switch from the radiator.
• Connect the pocket tester (
Ω
x 1) to the
thermo switch as shown.
• Immerse the thermo switch in a container
filled with coolant.
• Place a thermometer in the coolant.
• Slowly heat the coolant, then let it cool down
to the specified temperature.
• Check the thermo switch for continuity at the
temperatures indicated below.
A Thermo switch circuit “ON”
B Thermo switch circuit “OFF”
• Does the thermo switch operate properly as
described above?
• Does the radiator fan motor turn?
YES NO
The radiator fan motor
is faulty and must be
replaced.
WARNING
• Handle the thermo switch with special
care.
• Never subject the thermo switch to
strong shocks. If the thermo switch is
dropped, replace it.
YES NO
Replace the thermo
switch.
B
A
EAS00813
7. 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
NO
This circuit is OK.
Properly connect or
repair the cooling sys-
tem’s wiring.
EASM0053
2. The water temperature warning light fails to
light up when the engine is warm.
1. Main fuse
• Check the fuse for continuity.
Refer to “CHECKING THE FUSES” in
chapter 3.
• is the fuse OK?
Replace the fuse.
YES NO