Buell X1 2002 Service Manual page 304

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