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ELEC
COOLING SYSTEM
EAS00812
EAS00813
6. Coolant temperature sensor
• Remove the coolant temperature sensor
from the thermostat housing.
• Connect the pocket tester (
Ω
×
1k) to the
coolant temperature sensor
1
as shown.
• Immerse the coolant temperature sensor
in a container filled with coolant
2
.
NOTE:
_
Make sure the coolant temperature sensor
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 coolant temperature sensor for
continuity at the temperatures indicated in
the table.
Coolant temperature sensor
resistance
0 °C (32 °F): 5.21 ~ 6.37 k
Ω
80 °C (176 °F): 0.29 ~ 0.35 k
Ω
WARNING
_
• 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.
T
R
.
.
Coolant temperature sensor
20 Nm (2.0 m · kg, 14 ft · lb)
Three bond sealock
®
10
• Does the coolant temperature sensor
operate properly?
YES
NO
Replace the coolant
temperature sensor.
7. Wiring
• Check the entire cooling system’s wiring.
Refer to “CIRCUIT DIAGRAM”.
• Is the cooling system’s wiring properly
connected and without defects?
YES
NO
This circuit is OK. Properly connect or
repair the cooling
system’s wiring.