Buell 2008 XB SERIES Electrical Diagnostics Manual page 126

Crankshaft Position Sensor: DTC P0339 (56)
YES
Check for intermittent connection,
pinched or damaged wires, and
loose CKP sensor fasteners.
Conditions found?
YES
Repair as
necessary.
With DVOM still connected,
check for intermittents using
2.7 WIGGLE TEST.
Intermittents present?
YES
Repair as
necessary.
YES
Reinstall original
CKP sensor.
Replace ECM.
2-76 2008 Buell XB Diagnostics: Engine Management
1
Connect Breakout Box to harness only, leaving
Electronic Control Module (ECM) disconnected.
2
Measure resistance between Breakout Box
connector [11] (Gray) terminals "18" and "26".
Resistance more than 1 megohm?
Connect DVOM (Part No. HD-39978) to terminals
"18" and "26" on Breakout Box [11] (Gray). Set
DVOM to AC volts and crank engine.
Does DVOM read 1.0V minimum during cranking?
YES
Connect DVOM at terminals
3
"1" and "2" of connector [79A].
Does DVOM read 1.0 VAC
minimum while cranking?
NO
Check for continuity
4
Install known good
between terminal "1" of
CKP sensor. Clear
connector [79B] and
codes and retest.
terminal "18" on Breakout
DTC P0339 set?
Box [11] (Gray). Is
continuity present?
NO
Replace CKP
Repair open on (BK/BE)
sensor. See
wire between terminal "2" of
appropriate
connector [79B] and
BUELL
terminal "26" of connector
SERVICE
MANUAL.
NO
NO
YES NO
Replace CKP
sensor. See
appropriate
BUELL
SERVICE
MANUAL.
YES
Repair open on (GN/W)
wire between terminal
"1" of connector [79B]
and terminal "18" of
[11B] (Gray).
connector [11B] (Gray).
NO
Disconnect connector [79].
Leaving ECM disconnected,
measure resistance between
ground terminals "18" and "26"
on Breakout Box [11] (Gray).
Continuity to ground (less than
1 megohm resistance)?
YES NO
Repair short to
Replace
ground on (GN/W)
CKP sensor.
or (BK/BE) wire
See appropriate
between
BUELL SERVICE
connectors [11B]
MANUAL.
and [79B].
NOTES:
Clear DTCs and confirm proper
operation with no check engine
lamp. Codes can be cleared using
DIGITAL TECHNICIAN (Part No.
HD-44750).
After replacing ECM or TPS, TPS
zero set procedure must be
performed. Refer to THROTTLE
POSITION SENSOR in the
appropriate BUELL SERVICE
MANUAL.
NO
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