Buell 2008 XB SERIES Electrical Diagnostics Manual page 69

Diagnostic Check (Part 1 of 2)
Turn Ignition Switch ON. Set
Engine Stop Switch to RUN. Do not start
Does check engine lamp illuminate?
YES
Does check engine
lamp turn OFF after
four seconds?
YES
Does engine
start?
YES
Does check engine lamp display
ignition module data? See
2.4 CHECKING FOR TROUBLE
CODES.
YES
Are any trouble
codes displayed?
YES
Refer to applicable trouble code flow chart.
Start with highest priority trouble code. All
DTCs are listed in Table 2-13.
engine.
NO
See 2.10 CHECK ENGINE
LAMP NOT ILLUMINATED AT
KEY ON.
NO
See 2.11 CHECK ENGINE
LAMP ON CONTINUOUSLY.
NO
See 2.12 ENGINE CRANKS
BUT WILL NOT START.
NO
STOP
Go to Diagnostic
Check (Part 2 of 2).
NO
Refer to diagnostic
tips in related trouble
1
code chart (even if
no DTC codes are set).
2008 Buell XB Diagnostics: Engine Management 2-19
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