Buell 2003XB9S Service Manual page 373

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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.
4 Using Breakout Box, check with test lamp
between ECM [10] Pin 5 (CODE 23) or
ECM [10] Pin 8 (CODE 32) and ECM [10]
Pin 1. Does light flash when cranked?
Perform
4-64 2003 Buell XB9S: Fuel System
YES
YES
12.25 ohms? Is it?
NO
Replace injector. See
4.41 THROTTLE
BODY.
7825
7795
YES
YES
Recheck connections.
4.7 WIGGLE TEST.
Repair as necessary.
7805
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
ECM Pin 5 of [10] (W/Y wire) and
2
Terminal 2 of front injector connector [84].
If CODE 32, measure resistance between
ECM Pin 8 of [10] (GN/GY wire) and
Terminal 2 of rear injector connector [85].
Is resistance less than 0.5 ohm?
NO
Repair open or
poor connection.
7805
NO
Replace ECM. See
ELECTRONIC CONTROL
MODULE.
STOP
NO
Go to Code 23/32
Test (Part 2 of 2)
4.29
7815