Buell X1 2002 - Page 249

2002 Buell X1: Fuel System 4-31
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Test 4.12 (Part 3 of 3)
Continued from Test 4.12 (Part 2 of 3).
Reconnect CMP sensor connector [14]. Measure voltage
between Pin 3 and Pin 8 of Breakout Box (GY). Voltage
should alternate between 0 and 5 volts while cranking.
Does it?
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?
With engine running, wiggle CMP
sensor and wires to identify any
loose connects (engine misfires
or stalls.) Any found?
YES
Pinion gear key
failure, loose rotor
cup or other
mechanical failure.
NO
Replace cam
position sensor.
See Section 7.
NO
Repair.
YES
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?
Remove cam timer
cover using 1/8 in.
drill bit. Crank
starter. Does rotor
cup rotate?
NO
Repair open
connection.
YES
Mechanical failure.
Inspect for loose
rotor cup and
sheared pinion
gear key.
NOYES
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Replace cam
position sensor.
See Section 7.
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