Yamaha 2008 Fazer FZ1-N Service Manual page 522

2. Check:
• Coolant temperature sensor resistance
Out of specification → Replace.
Coolant
resistance
0 °C (32 °F) : 5.21–6.37 kΩ
80 °C (176 °F) : 0.29–0.35 kΩ
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a. Connect the pocket tester (Ω × 1k) to the
coolant temperature sensor "1" as shown.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
• Positive tester probe
Coolant temperature sensor terminal
• Negative tester probe
Coolant temperature sensor terminal
b. Immerse the coolant temperature sensor in
a container filled with coolant "2".
NOTE:
Make sure the coolant temperature sensor ter-
minals do not get wet.
c. Place a thermometer "3" in the coolant.
temperature sensor
ELECTRICAL COMPONENTS
d. Slowly heat the coolant, and then let it cool
to the specified temperature indicated in
the table.
e. Check the coolant temperature sensor for
continuity at the temperatures indicated in
the table.
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EAS28300
CHECKING THE THROTTLE POSITION
SENSOR
1. Remove:
• Throttle position sensor
(from the throttle body)
2. Check:
• Throttle position sensor
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a. Connect the pocket tester (Ω × 1k) to the
throttle position sensor as shown.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
• Tester positive lead →
Blue "1"
• Tester negative lead →
Black/Blue "2"
b. Check the throttle position sensor maxi-
mum resistance.
Out of specification → Replace the throttle
position sensor.
Maximum throttle position sen-
sor resistance
4–6 kΩ at 20 °C (68 °F)
c. Connect the pocket tester (Ω × 1k) to the
throttle position sensor as shown.
• Tester positive lead →
Yellow "3"
• Tester negative lead →
Black/Blue "2"
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