Yamaha XV1700PCRC Service Manual page 532

Positive tester probe → blue 1
Negative tester probe → black/blue 2
• Set the main switch to "ON".
• Measure the atmospheric pressure sensor
output voltage.
Atmospheric pressure sensor
output voltage
4.75 ~ 5.25 DCV
• Is the atmospheric pressure sensor OK?
YES
16.Engine temperature sensor resistance
• Remove the engine temperature sensor
from the front cylinder head.
• Connect the pocket tester (Ω × 100) to the
engine temperature sensor terminal as
shown.
• Immerse the engine temperature sensor
1 in a container filled with water 2.
NOTE:
_
Make sure that the engine temperature sen-
sor 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.
FUEL INJECTION SYSTEM
2 1
P B/L L
NO
Replace the atmo-
spheric pressure
sensor.
7 - 62
3
1
2
• Measure the engine temperature sensor
resistance.
Engine temperature sensor
resistance
898 ~ 1,098 Ω at 100 °C (212 °F)
WARNING
• Handle the engine temperature sensor
with special care.
• Never subject the engine temperature
sensor to strong shocks. If the engine
temperature sensor is dropped, replace
it.
Engine temperature sensor
18 Nm (1.8 m · kg, 13 ft · lb)
• Is the engine temperature sensor OK?
YES
– +
ELEC
NO
Replace the engine
temperature sensor.