Buell 2003XB9S Service Manual page 336

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Test 4.11 (Part 3 of 3)
YES
Problem may be intermittent. Verify that
connectors [10], [11] and [14] are recon-
nected. Remove Breakout Box and try to
start vehicle. Will vehicle start?
YES
With engine running, wiggle cam
position sensor and wires to iden-
tify any loose connects (engine
misfires or stalls.) Any found?
YES
Repair.
7945
Continued from Test 4.11 (Part 2 of
Reconnect cam position sensor connector [14]. Measure
voltage between Pin 3 and Pin 7 of Breakout Box (GY).
Voltage should alternate between 0 and 5 volts while
cranking.
Does it?
NO
Pinion gear key
failure, loose rotor
cup or other
mechanical failure.
7952
NO
Replace cam
position sensor. See 4.30
CAM POSITION SENSOR
AND ROTOR.
7952
3).
NO
Disconnect connector [14]. Measure resis-
tance between Terminal B and Connector
[14B] and Breakout Box (GY) Pin 3.
Is resistance greater than 1.0 ohms?
YES
Repair open
connection.
7945
YES
Replace cam position
sensor. See 4.30
CAM POSITION SEN-
SOR AND ROTOR.
7952
2003 Buell XB9S: Fuel System
NO
Remove cam timer
cover using 1/8 in.
drill bit. Crank
starter. Does rotor
cup rotate?
NO
Mechanical failure.
Inspect for loose
rotor cup and
sheared pinion
gear key.
7940
4-27