Buell 2007 ULYSSES, Service Manual, Page: 375 / 647

4-26 2007 Buell Ulysses: Fuel System
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Test 4.11 (Part 1 of 3)
Is fresh gasoline in tank?
YES NO
Fill tank with
fresh gasoline.
Check for trouble codes. See 4.4
CHECKING FOR TROUBLE
CODES . Codes found?
Refer to applicable
trouble code chart.
Start with lowest
code
YES
Check battery connections.
Check battery voltage. Is voltage
above 12.7 volts?
NO
Recharge
battery.
YES
Does battery pass
load test?
NO
Replace
battery.
YES
Place transmission in neutral. Turn ignition
key switch ON and set engine stop switch to
RUN. Did fuel pump run 2-3 seconds and
check engine lamp illuminate?
NO
No pump response, but light OK.
See 4.13 FUEL PRESSURE TEST .
NO
Pump OK, but no light.
See 4.9 CHECK ENGINE LAMP NOT ILLUMI-
NATED AT KEY ON .
YES
Install Fuel Pressure Gauge. See 4.13 FUEL PRES-
SURE TEST . While cranking engine (for more than
two seconds to ensure proper system operation),
verify that pressure rises to 49-51 PSI (338-352 kPa).
Adequate pressure?
NO
Incorrect pressure. See 4.13
FUEL PRESSURE TEST .
2
2
2
Go to Test 4.11
(Part 2 of 3).
YES
STOP
NO
No pump response or light.
See to 4.12 NO ECM POWER .
NO
Short pump response, light OK.
See 4.27 TROUBLE CODE 44 .
NO
Connect Breakout Box. Measure
voltage between connector 10 (BK)
pin 10 (+) and pin 11 (-) Voltage
should be 0.25-2.7 volts (Run
Mode). Is it?
YES
See 4.27 TROUBLE
CODE 44 .
NO
1