Buell 2007 FIREBOLT Service Manual page 360

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Test 4.9
YES
Set engine stop switch to OFF.
Disconnect ECM connector [10] and
connect Breakout Box.
Turn ignition key switch ON. Jumper
Breakout Box (BK) Pin 4 to ground.
1
Check engine lamp should be ON. Is it?
YES
Replace ECM. See
2
4.30 ELECTRONIC
CONTROL MODULE.
3
short to voltage on
BK/Y wire between
connector [39] and
Turn ignition key switch ON. Set engine stop
switch to RUN. Does the engine start?
NO
Connect jumper wire from pin 7 at connector
[39] to ground. Check, is engine lamp on?
YES
Repair open or Disassemble instrument
module. Inspect check
engine lamp bulb.
connector [10B].
Replace bulb.
Did check engine lamp and no start
conditions occur simultaneously?
YES
No ECM power.
Refer to 4.12 NO
ECM POWER.
NO
Bulb failed?
YES
Replace Instrument module. See
7.18 INSTRUMENT MODULE
2007 Buell Firebolt: Fuel System
NO
NO
Refer to 4.11 ENGINE
CRANKS BUT WILL
NOT START for no start
condition and then return
to 4.9 CHECK ENGINE
LAMP NOT ILLUMI-
NATED AT KEY ON to
resolve no engine
check lamp.
NO
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