Buell X1 2002 Service Manual page 256

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Test 4.14 (Part 1 of 2)
YES
No trouble
found. Review
symptoms.
7455
YES
Move negative (-) probe to
GY/O wire on Terminal 30 of
ignition relay. Measure voltage
during first two seconds after
key ON. Is voltage greater
than 1 VDC?
YES
Locate and repair poor
connection between bat-
tery and ignition relay.
4-38
Run fuel pressure test as described under
4.14 FUEL PRESSURE
sure should remain steady at 46-53 PSI
(317-365 kPa). Does it?
No pressure. Low pressure.
Check voltage drop between
battery positive (+) and Termi-
STOP
nal D (-) on pump side of con-
nector [89] during first two
seconds after key ON. Is volt-
Go to Test 4.14
age greater than 1 VDC?
(Part 2 of 2).
Move negative (-) probe to GY
wire on Terminal 87 of ignition
relay. Measure voltage during
first two seconds after key ON.
Is voltage greater than 1 VDC?
Locate and repair poor
connection between ignition
relay and fuel pump.
Replace ignition relay.
See Section 7.
7456
TEST. Fuel pres-
YES
NO
Flush out fuel cell
and clean inlet
screen. See
FUEL
7457
NO
7458
High pressure.
Check for faulty fuel
pump and replace.
See 4.40 FUEL
PUMP.
7459
NO
Check for restricted
pump inlet screen. Is
screen restricted?
YES NO
Check for faulty fuel
pump and replace.
4.37 See 4.40 FUEL PUMP.
TANK.
2002 Buell X1: Fuel System
7461