Buell 2002 X1 Handbook page 268

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Code 24/25 Test
1
1
2
With the engine off, Scanalyzer (Active Diagnostic
Test Mode) can be used to energize either the front
1
or rear injector once each second for a total of five
seconds.
4-72
Disconnect coil connector [83]. Attach Test
Lamp to [83] as shown in Figure 4-55.
Crank engine.
Do test lamp lights flash when cranked?
YES
Faulty coil
connection or coil.
See Section 7.
7856
YES
Attach Breakout Box (HD-42682) to ECM. Mea-
sure resistance between ECM and coil terminals
as follows:
Trouble Coil
Code Terminal Terminal
24 C
(Front) (BE/O)
25 A
(Rear) (Y/BE)
Resistance should be less than 0.5 ohms. Is it?
YES
Perform 4.8 WIGGLE
TEST. Intermittents
found?
YES
Repair as
necessary.
7865
Clear codes and confirm proper
operation with no check engine
lamp.
SCANALYZER NOTES
1
2
2
ECM
6
7
Repair open wire or
connection on
NO
Repair open wire
or connection.
NO
Replace ECM. See
4.29 ELECTRONIC
CONTROL
With the engine off, Scanalyzer (Active Diagnostic
Test Mode) can be used to turn fuel pump on for
2
periods up to 30 seconds. Power to the pump also
includes power to the fuel injectors and ignition
coil.
NO
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 87 after key is turned ON.
Should be equivalent to
battery voltage. Is it?
YES NO
Check for multiple codes.
See 4.4 CHECKING FOR
TROUBLE CODES.
GY wire.
7875
7860
MODULE.
7870
2002 Buell X1: Fuel System