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TROUBLE CODE 33
GENERAL
Fuel Pump
The fuel pump assembly is shown in
provides ground to the fuel pump. Code 33 will set if:
BN/Y wire is shorted to 12 volts. This will also cause the
G
ignition fuse to blow. See
BN/Y wire is shorted to ground. This will cause the fuel
G
pump to run continuously even when the motor is not
running.
Fuel pump motor stalls or spins without providing fuel
G
pressure.
DIAGNOSTICS
Diagnostic Notes
The reference numbers below correlate with the circled num-
bers on the Code 33 flow chart.
1.
Connect BREAKOUT BOX (Part No. HD-42682) to ECM.
See
4.7 BREAKOUT
BOX.
2.
Use HARNESS CONNECTOR TEST KIT (Part No. HD-
41404), red pin probe and patch cord.
3.
Use HARNESS CONNECTOR TEST KIT (Part No. HD-
41404), gray socket probe and patch cord.
Scanalyzer Notes
The Scanalyzer icon appears at those points in the flow chart
where the Scanalyzer can be used.
2002 Buell X1: Fuel System
Figure 4-57.
ECM Pin 3
Figure 4-58.
6767
1
2
5
1.
Pressure Regulator
2.
Low Fuel Level Sensor
3.
Filter
4.
Wiring Harness
5.
Fuel Fitting Nut (Schraeder Valve not shown)
Figure 4-57. Fuel Pump Assembly
6772
1
2
1.
Ignition Fuse
2.
Spare Fuse slot (may be 15 or 20 Amp)
Figure 4-58. Ignition Fuse
4.24
3
4
4-73
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