Buell X1 2002 Service Manual page 286

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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
1
Lamp. Crank engine. Does lamp flash?
Measure resistance of the suspect injector.
Resistance across terminals should be
Check for loose or
corroded terminals
in harness. Repair
as necessary.
Using Breakout Box, check with test lamp
4
between ECM [10] Pin 5 (CODE 23) or
ECM [10] Pin 8 (CODE 32) and ECM [10]
Pin 1. Does light flash when cranked?
1
Perform
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.
4-68
YES
YES
12.25 ohms? Is it?
YES NO
Replace injector. See
4.41 THROTTLE
BODY AND INTAKE
MANIFOLD.
7790
7795
YES
YES
Recheck connections.
4.8 WIGGLE TEST.
Repair as necessary.
7810
Clear codes and confirm proper
operation with no check engine
lamp.
SCANALYZER NOTES
NO
Reconnect and
1
install fuel tank.
NO
2
Check Terminal 1 (GY wire) on injector
connector to ground. Should be
equivalent to battery voltage after key ON.
Is it?
2
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.
NO
Replace ECM. See
ELECTRONIC CONTROL
MODULE.
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.
7785
STOP
NO
Go to Code 23/32
Test (Part 2 of 2)
7805
4.29
7815
2002 Buell X1: Fuel System