4-86
2002 Buell X1: Fuel System
HOME
Code 56 (Part 1 of 2)
Attach Breakout Box (HD-42682). Disconnect cam position
sensor connector [14]. Turn ignition ON.
Connect voltmeter across Terminal A (R/W wire) and Terminal
C (BK/W wire) of connector [14]. Is voltage 4.75-5.25 VDC?
YES
NO
Measure the voltage between
Pin 1 and Pin 7 on [11] (GY) using Breakout
Box. Is voltage 4.75-5.25 VDC?
Go to
Code 56
(Part 2 of 2).
YES
NO
Measure continuity between
Pin A on [14] and Pin 1 on [11].
Continuity present?
Disconnect harness side connector [11B]
(GY) from Breakout Box. Measure voltage
between Pin 1 and Pin 7 of
connector [11]. Voltage present?
NO.
Repair open in
R/W wire between
connectors [11] and
[14].
NO
Repair open in
BK/W wire between
connectors [11] and
[14].
YES.
YES.
12 volts
Locate and repair
R/W wire short
to voltage.
Locate and repair
R/W wire short
to ground.
YES.
5 volts.
STOP
Replace ECM. See
4.29 ELEC-
TRONIC CON-
TROL MODULE
.
1
2
2
7945
7945
7970
7955
7965
Clear codes and confirm proper
operation with no check engine
lamp.
Summary of Contents for 2002 X1
Page 2: ......
Page 12: ...1 10 2002 Buell X1 Maintenance HOME NOTES ...
Page 131: ...2 84 2002 Buell X1 Chassis HOME NOTES ...
Page 162: ...3 30 2002 Buell X1 Engine HOME NOTES ...
Page 194: ...3 62 2002 Buell X1 Engine HOME NOTES ...
Page 198: ...4 2 2002 Buell X1 Fuel System HOME NOTES ...
Page 314: ...4 118 2002 Buell X1 Fuel System HOME NOTES ...
Page 325: ...5 10 2002 Buell X1 Electric Starter HOME NOTES ...
Page 335: ...5 20 2002 Buell X1 Electric Starter HOME NOTES ...