Buell 2005 FIREBOLT Service Manual page 338

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Code 23/32 Test (Part 1 of 2)
Is connector connected at the injector?
1
Disconnect and attach Fuel Injector Test
Lamp. Crank engine. Does lamp flash?
Measure resistance of the suspect injector.
Resistance across terminals should be
YES
Check for loose or
corroded terminals
in harness. Repair
as necessary.
Insert test lamp at connector [84B]
4
(CODE 23) or at connector [85B] (CODE 32)
Does light flash when cranked?
Perform
YES
YES
12.25 ohms? Is it?
NO
Replace injector. See
4.43 THROTTLE
BODY.
YES
YES
Recheck connections.
4.7 WIGGLE TEST.
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
Reconnect and
1
install airbox.
NO
2
Check Terminal 1 (GY wire) on injector
connector to ground. Should be
equivalent to battery voltage after key ON.
Is it?
YES
Attach Breakout Box (HD-42682) to ECM.
3
If CODE 23, measure resistance between
Breakout Box Pin 5 (Black) and
2
Terminal 2 (W/Y wire) of front injector con-
nector [84].
If CODE 32, measure resistance between
Breakout Box Pin 8 (Black) and
Terminal 2 (GN/GY wire) of rear injector con-
nector [85].
NO
Repair open or
poor connection.
NO
Replace ECM. See 4.30
ELECTRONIC CONTROL
MODULE.
2005 Buell Firebolt: Fuel System
STOP
NO
Go to Code 23/32
Test (Part 2 of 2)
4-69