Yamaha RX10K, Supplementary Service Manual

Page: 386 / 523

SIGNAL SYSTEM
ELEC
8-34
CAUTION:
NOTE:
CAUTION:
CAUTION:
WATER TEMPERATURE SENSOR
1. Disconnect the water temperature sensor
coupler 1 and remove the water tempera-
ture sensor.
Handle the water temperature sensor with
special care. Never subject it to shock or al-
low it to be dropped. If it is dropped, it must
be replaced.
2. Connect:
S
Pocket tester 1
(to the water temperature sensor)
Set the tester selector to the “
Ω
1” position.
3. Immerse the water temperature sensor 2 in
coolant 3 and check the water temperature
sensor operation.
Water temperature sensor
resistance:
5.2
X
6.4 k
Ω
at 0
_
C (34
_
F)
0.300
X
0.364 k
Ω
at 80
_
C
(176
_
F)
0.170
X
0.208 k
Ω
at 100
_
C
(212
_
F)
4 Temperature gauge
Never heat the coolant to a temperature of
120
_
C (248.5
_
F) or more.
4. If the water temperature sensor operation is
defective, replace it.
5. Install the water temperature sensor and
connect the water temperature sensor lead.
Water temperature sensor:
23 Nm (2.3 m
S
kg, 17 ft
S
lb)
Do not overtighten the water temperature
sensor.