Yamaha Star XVS950A 2009 Service Manual page 387

Lean angle sensor output voltage
Less than 45°
0.4–1.4 V
More than 45°
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"
c. Turn the main switch to "ON".
d. Tilt the lean angle sensor 45°.
e. Measure the lean angle sensor output volt-
age.
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EAS3D81011
CHECKING THE STARTER MOTOR OPERA-
TION
1. Check:
• Starter motor operation
Does not operate → Perform the electric
starting system troubleshooting, starting
with step 4.
Refer to "TROUBLESHOOTING" on page
7-11.
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a. Connect the positive battery terminal "1"
and starter motor lead "2" with a jumper
lead "3".
ELECTRICAL COMPONENTS
EWA13810
WARNING
• A wire that is used as a jumper lead must
have at least the same capacity of the bat-
tery lead, 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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EAS28150
CHECKING THE STATOR COIL
1. Disconnect:
• Stator coil coupler
(from the wire harness)
2. Check:
• Stator coil resistance
Out of specification → Replace the crank-
shaft position sensor/stator assembly.
Stator coil resistance
0.128–0.192 Ω
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a. Connect the pocket tester (Ω × 1) to the
stator coil coupler as shown.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
• Positive tester probe →
white "1"
• Negative tester probe →
white "2"
• Positive tester probe →
white "1"
• Negative tester probe →
white "3"
7-100