Buell 2005 FIREBOLT Service Manual page 295

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Test 4.11 (Part 1 of 3)
Is fresh gasoline in tank?
YES
Check for trouble codes. See
CHECKING FOR TROUBLE
CODES. Codes found?
NO
YES
Refer to applicable
trouble code chart.
Start with lowest
code.
No pump response or light.
See to 4.12 NO ECM
Short pump response, light OK.
See 4.35 BANK ANGLE
4-26 2005 Buell Firebolt: Fuel System
NO
Fill tank with
4.4
fresh gasoline.
Connect Breakout Box. Measure
1
voltage between connector 10 (BK)
pin 10 (+) and pin 11 (-) Voltage
should be 0.25-2.7 volts (Run
Check battery connections.
Check battery voltage. Is voltage
2
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
POWER.
NO
SENSOR.
Install Fuel Pressure Gauge. See
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?
Go to Test 4.11
(Part 2 of 3).
Mode). Is it?
YES
above 12.8 volts?
YES
Does battery pass
load test?
YES
NO
NO
See
YES
4.13 FUEL PRES-
YES
STOP
NO
See 4.27 TROUBLE
CODE 44.
NO
Recharge
2
battery.
7180
NO
Replace
2
battery.
No pump response, but light OK.
See 4.13 FUEL PRESSURE TEST.
Pump OK, but no light.
4.9 CHECK ENGINE LAMP NOT ILLUMI-
NATED AT KEY ON.
NO
Incorrect pressure. See 4.13
FUEL PRESSURE TEST.