Buell 2007 LIGHTNING Service Manual

2007 Buell Lightning: Fuel System 4-73
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Code 24/25 Test
NO
Measure voltage on Terminal B of coil.
Should be equivalent to battery
voltage after key is turned ON.
Is it?
YES
Faulty coil
connection or coil. See
4.32 IGNITION COIL.
Use Breakout Box and test light with adapter
for the next inspection.
Front coil codes: Install test light and adapter between
Pin 6 (BK) and ECM Pin 1(R)
.
Rear coil codes: install test light and adapter between
Pin 7 (BK) and ECM Pin 1(R).
Does test lamp flash when engine is cranked?
NOYES
Measure voltage at ignition relay
Terminal 4 (Pin 4 in Relay Center) after key
is turned ON.
Should be equivalent to
battery voltage. Is it?
YES
Repair open wire or
connection on
GY wire.
NO
Check for multiple codes.
See 4.4 CHECKING FOR
TROUBLE CODES.
Measure resistance at Breakout Box between
ECM and coil terminals as follows:
Resistance should be less than 0.5 ohms. Is it?
Trouble
Code
Coil
Terminal
Breakout
Box
Terminal
24
(Front)
A
(BE/O)
7 (BK)
25
(Rear)
C
(Y/BE)
6 (BK)
NO
Repair open wire
or connection.
YES
Perform 4.7 WIGGLE
TEST. Intermittents
found?
NOYES
Repair as
necessary.
1
Replace ECM. See
4.30 ELECTRONIC
CONTROL MODULE.
1
Clear codes and confirm proper operation with no
check engine lamp. Codes can be cleared using
DIGITAL TECHNICIAN (Part No. HD-44750).
3
2

Buell 2007 LIGHTNING Specifications

General

Year	2007
Manufacturer	Buell
Model	Lightning
Category	Motorcycle
Displacement	1203 cc
Bore x Stroke	88.9 mm x 96.8 mm
Compression Ratio	10.0:1
Fuel System	Electronic fuel injection
Transmission	5-speed
Final Drive	Belt
Rear Suspension	Showa shock absorber
Rear Brakes	Single disc, 1-piston caliper
Engine Type	V-Twin
Ignition	Digital
Front Suspension	Showa inverted fork
Front Brakes	Single disc, 6-piston caliper
Front Tire	120/70 ZR17
Rear Tire	180/55 ZR17
Wheelbase	52.0 inches
Seat Height	30.1 inches
Dry Weight	395 lbs
Fuel Capacity	14.5 liters