8-34
– +
ELEC
SIGNAL SYSTEM
COOLANT TEMPERATURE SENSOR
1.Remove the coolant temperature sensor.
CAUTION:
Handle the coolant temperature sensor with
special care. Never subject it to shock or allow
it to be dropped. If it is dropped, it must be
replaced.
2.Connect:
• Pocket tester 1
(to the coolant temperature sensor)
NOTE:
Set the tester selector to the “Ω × 1k” position.
3.Immerse the coolant temperature sensor 2 in
coolant 3 and check the coolant temperature
sensor operation.
4 Thermometer
CAUTION:
Never heat the coolant to a temperature of
120 °C (248 °F) or more.
4.If the coolant temperature sensor operation is
defective, replace it.
5.Install the coolant temperature sensor.
CAUTION:
Do not overtighten the coolant temperature
sensor.
Coolant temperature sensor resis-
tance:
5.21 ~ 6.37 k
Ω
at 0 °C (32 °F)
0.290 ~ 0.354 k
Ω
at 80 °C (176 °F)
T
R
.
.
Coolant temperature sensor:
23 Nm (2.3 m · kg, 17 ft · lb)