Yamaha XV1700PCR Road Star Warrior, Service Manual

Page: 530 / 605

7 - 60
– +
ELEC
FUEL INJECTION SYSTEM
YES
NO
YES NO
11.Speed sensor output voltage
• Measure the speed sensor output voltage.
• Connect the pocket tester (DC 20 V) to the
speed sensor coupler as shown.
Positive tester probe
→
white
1
Negative tester probe
→
black
2
• Measure the speed sensor output voltage.
Speed sensor output voltage
When sensor is on
DC 4.8 V or more
When sensor is off
DC 0.6 V or less
• Is the speed sensor OK?
Replace the speed
sensor.
12.Intake air temperature sensor resistance
• Remove the intake air temperature sensor
from the silencer air filter case.
• Connect the pocket tester (
Ω ×
100) to the
intake air temperature sensor coupler as
shown.
• Immerse the intake air temperature sensor
1
in a container filled with water
2
.
NOTE:
_
Make sure that the intake air temperature
sensor terminals do not get wet.
• Place a thermometer
3
in the water.
• Slowly heat the water, then let it cool down
to the specified temperature.
W
L W / Y
B / L
L
B
1
2
• Measure the intake air temperature sensor
resistance.
Intake air temperature sensor
resistance
290 ~ 390
Ω
at 80 °C (176 °F)
WARNING
• Handle the intake air temperature sensor
with special care.
• Never subject the intake air temperature
sensor to strong shocks. If the intake air
temperature sensor is dropped, replace
it.
T
R
.
.
Intake air temperature sensor
15 Nm (1.5 m · kg, 11 ft · lb)
• Is the intake air temperature sensor OK?
Replace the intake
air temperature sen-
sor.
B B
3
1
2