Buell XB9R 2003 Service Manual page 384

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Code 56 (Part 2 of 2)
Intermittent open in GN/W wire or
short in BK/W, W/BK or R/W.
Perform 4.7 WIGGLE TEST
repair intermittent.
Remove timing cover and cam position
sensor. Observe rotor cup while cranking
engine. Does rotor turn?
Check rotor for damage.
3
Is rotor loose or damaged?
YES
Replace rotor
and retest.
7940
Continued from
Reconnect cam position sensor connector [14]. Using Breakout
Box, measure voltage between Pin 3 and Pin 7 while cranking
the engine. Does voltage fluctuate between 0-5 volts?
YES
and
7950
YES
YES
NO
Replace cam position sensor
and clear code. Retest. Prob-
lem still exist?
YES
Install original cam
position sensor.
Replace ECM. See
4.29 ELECTRONIC
CONTROL MODULE.
7960
Clear codes and confirm proper operation with no
check engine lamp. Codes can be cleared using
DIGITAL TECHNICIAN (Part No. HD-44750).
Code 56 (Part 1 of 2).
Check for continuity on GN/W wire
2
between Terminal B of connector [14]
and Terminal 3 of connector [11].
Continuity present?
Is rotor attached
3
YES
Remove gearcase
cover and inspect
for damage.
7951
NO
System
OK.
7952
2003 Buell XB9R: Fuel System
NO
NO
Repair.
7950
NO
properly?
NO
Repair.
7940
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