Yamaha Star XVS950A 2009 Service Manual page 386

• Positive tester probe →
black/red "1"
• Negative tester probe →
orange or gray/red "2"
c. Measure the primary coil resistance.
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2. Check:
• Secondary coil resistance
Out of specification → Replace.
Secondary coil resistance
8.64–12.96 kΩ
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a. Disconnect the spark plug cap from the
ignition coil.
b. Connect the pocket tester (Ω × 1k) to the
ignition coil as shown.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
• Positive tester probe →
black/red "1"
• Negative tester probe →
gray/red "2"
c. Measure the secondary coil resistance.
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ELECTRICAL COMPONENTS
EAS28120
CHECKING THE CRANKSHAFT POSITION
SENSOR
1. Disconnect:
• Crankshaft position sensor coupler
(from the wire harness)
2. Check:
• Crankshaft position sensor resistance
Out of specification → Replace the crank-
shaft position sensor/stator assembly.
Crankshaft
resistance
248–372 Ω
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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 output voltage
Out of specification → Replace.
7-99
position sensor