Yamaha VMX12 2001 Service Manual page 438

EAS00812
6. Temperature sender
• Remove the temperature sender from the
radiator.
• Connect the pocket tester (Ω × 10) to the
temperature sender 1 as shown.
• Immerse the temperature sender in a con-
tainer filled with coolant 2.
NOTE:
@
Make sure the temperature sender terminals
do not get wet.
@
• Place a thermometer 3 in the coolant.
• Slowly heat the coolant, and then let it cool
to the specified temperature indicated in the
table.
• Check the temperature sender for resis-
tance at the temperatures indicated below.
Temperature sender resistance
50 °C: 153.9 Ω
80 °C: 47.5 ~ 56.8 Ω
100 °C: 26.2 ~ 29.3 Ω
COOLING SYSTEM
WARNING
@
• Handle the temperature sender with spe-
cial care.
• Never subject the temperature sender to
strong shocks. If the temperature sender
is dropped, replace it.
@
Temperature sender
15 Nm (1.5 m • kg)
Three bond sealock
• Does the temperature sender operate prop-
erly?
EAS00813
7. Wiring connections
• Check the entire cooling system's wiring.
Refer to "CIRCUIT DIAGRAM".
• Is the cooling system's wiring properly con-
nected and without defects?
This circuit is OK.
8 - 46
ELEC
®
10
YES
Replace the temper-
ature sender.
YES
Properly connect or
repair the
system's wiring.
– +
NO
NO
cooling