4-82 2006 Buell Lightning: Fuel System
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Code 36 Test (Part 1 of 2-fan runs continuously)
YES
Disconnect gray connector
(11) at ECM. Turn IGN.
switch ON. Does fan run?
Repair short to ground in BK/O
wire between ECM and fan.
Is engine hot?
NOTE
Fan will be engaged when cylinder
head temperature exceeds 428° F
(220° C).
NO
YES
Allow engine to
cool. Go to BOLD
ASTERISK on this
page.
NO
Turn IGN OFF. Connect Breakout
Box to ECM gray connector [11].
Turn IGN ON. Measure volts at pin 9
of Breakout Box. Is voltage greater
than 1.3 volts?
YES
2
Does cooling fan run
continuously?
NO
YES
NO
See 4.18 TROUBLE CODE
14 (engine temperature sen-
sor).
Turn IGN switch ON. Does
fan run continuously?
YES
Defective ECM or
ECM connection.
NO
System ok.
At some point in the flow chart you
may be instructed to jump directly
to a the box with the bold asterisk.
Disregard the asterisk (but not the
instruction box) if your normal pro-
gression through the chart brings
you to this location.
Go to Code 36 Test
(Part 2 of 2-fan does
not run).
STOP
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