Yamaha FZ1-N Service Manual page 429

a. Connect the pocket tester (Ω × 100) to the
crankshaft position sensor coupler as
shown.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
• Positive tester probe
Gray "1"
• Negative tester probe
Black "2"
b. Measure the crankshaft position sensor
resistance.
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EAS28130
CHECKING THE LEAN ANGLE SENSOR
1. Remove:
• Lean angle sensor
2. Check:
• Lean angle sensor out put voltage
Out of specification → Replace.
Lean angle sensor output volt-
age
Less than 65°: 0.4–1.4 V
More than 65°: 3.7–4.4 V
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a. Connect the lean angle sensor coupler to
the wire harness.
b. Connect the pocket tester (DC 20 V) to the
lean angle sensor coupler as shown.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
• Positive tester probe
Yellow/Green "1"
• Negative tester probe
Black/Blue "2"
ELECTRICAL COMPONENTS
c. When turn the lean angle sensor to 65°.
d. Measure the lean angle sensor output volt-
age.
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ET2D1034
CHECKING THE STARTOR MOTOR OPERA-
TION
1. Check:
• Starter motor operation
Does not operate → Perform the electric
starting system troubleshooting, starting
with step5.
Refer to "TROUBLESHOOTING" on page
8-9.
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a. Connect the positive battery terminal "1"
and starter motor lead "2" with a jumper
lead "3".
EWA13810
WARNING
• A wire that is used as a jumper lead must
have at least the same capacity of the bat-
tery, otherwise the jumper lead may burn.
• This check is likely to produce sparks,
therefore, make sure no flammable gas or
fluid is in the vicinity.
b. Check the starter motor operation.
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2. Check:
• Startor coil resistance
8-105