Buell 2007 LIGHTNING Service Manual page 352

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