4-66
2007 Buell Ulysses: Fuel System
HOME
Code 21 Test
Remove airbox cover and foam from on top
of interactive muffler control actuator.
NO
System OK.
Clear codes.
Connect BREAK OUT BOX and measure voltage
between pin 2 (Black) (-) and pin 9 (Black) (+). Discon-
nect terminal [164] from ECM. With Ignition on, Ground
opposite end of patch cord. When grounded, voltage
should be between 4-6 VDC, and 0-1 VDC when not
grounded.
YES
Check continuity between pin 9 (Black) and
[161B] pin 4. Continuity present?
Disconnect [164] from ECM. Key on,
ground opposite end of patch cord.
Does the actuator cycle?
With the throttle in the wide open position,
Ignition on, Run/Stop on. Does the actuator
cycle smoothly?
NO
Check for continuity to ground on pin 9
(Black) with ECM disconnected.
Continuity present?
YES
Replace ECM.
Check continuity to ground at
pin 2, [161B].
Continuity present?
NO
Locate and repair open on
BK wire.
YES
Ignition on, Run/Stop in Run
position. 12V present at pin 1,
[161B]?
NO
Locate and repair open on
O wire between fuse and
[161B].
YES
Check for continuity between
[164B] and [161B] pin 3.
Continuity present?
NO
Locate and repair open on
W wire.
Locate and repair
open on TN/V wire
[161B].
Using pliers, gently pull on cable to
interactive muffler actuator. Cable
should cause interactive muffler valve
to open and close freely without bind-
ing. Does it?
NO
Disconnect cable to inter-
active valve. Does valve
arm move freely without
binding?
YES
NO
Replace muffler
assembly.
Replace inter-
active muffler
cable.
YES
Replace inter-
active muffler
actuator.
YES
YES
Locate and repair
short to ground on
TN/V wire [161B].
NO
With ECM connected, measure
voltage at [161B] pin 4.
0V
4-6 v
12V
Replace ECM.
Replace inter-
active motor.
Locate and repair
short to voltage on
TN/Y wire.
1
2
YES
YES.
Actuator opens and closes
2-6 seconds later
Opens and closes
immediately.
NO
YES
Locate and repair short to ground on O
wire or Y/BK or R/Y wire in
Brake/Horn/Muffler Circuit.
Check fuse.
Is fuse O.K.?
NO
YES
NO
1
2
2
1
2
Summary of Contents for 2007 ULYSSES
Page 17: ...A 16 2007 Buell Ulysses Appendix A HOME NOTES ...
Page 51: ...D 2 2007 Buell Ulysses Appendix D HOME Figure D 2 Rear Brake Systems Top View b1115acsxu ...
Page 63: ...D 14 2007 Buell Ulysses Appendix D HOME NOTES ...
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Page 103: ...1 30 2007 Buell Ulysses Maintenance HOME NOTES ...
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Page 237: ...2 108 2007 Buell Ulysses Chassis HOME NOTES ...
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Page 309: ...3 70 2007 Buell Ulysses Engine HOME NOTES ...
Page 347: ...3 108 2007 Buell Ulysses Engine HOME NOTES ...
Page 391: ...4 42 2007 Buell Ulysses Fuel System HOME NOTES ...
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Page 561: ...6 56 2007 Buell Ulysses Drive Transmission HOME NOTES ...
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Page 587: ...7 24 2007 Buell Ulysses Electrical HOME NOTES ...
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