Buell 2002 X1 Handbook page 244

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Code 11 Test (Part 2 of 2)
Unplug TP sensor connector [88]. Measure voltage between
2
Terminal A (R/W wire) (+) and C (BK/W wire) (-) with ignition ON.
YES
Connect Breakout Box if not
1
already connected. Check
resistance between ECM Pin
2 on connector [11] to chassis
ground. Is resistance greater
than 1 megaohm?
YES
Check continuity from
2
Pin 2 of connector [11]
to Terminal B on
connector [88].
Continuity present?
YES
Replace TP sensor.
See 4.36 THROTTLE
POSITION SENSOR.
7590
Clear codes and confirm proper
operation with no check engine
lamp.
4-48
Continued from Code 11 Test (Part 1 of
Is voltage 5.0 +/- 0.25?
1
NO
Find short to ground
on V/Y wire.
7605
NO
Locate and repair
open in V/Y wire.
7580
2).
NO
Connect Breakout Box if not already connected.
Turn ignition switch OFF. Disconnect ECM con-
nector [11]. Check for continuity between connec-
tor [88] Terminal A (R/W wire) and Pin 1 of
connector [11]. Continuity present?
YES
Check continuity
between connector [88]
Terminal B (V/Y wire)
and Pin 2 of connector
[11]. Continuity present?
YES
Check continuity
between connector [88]
Terminal C and Pin 7 of
connector [11].
Continuity present?
YES
Disconnect cam position sensor
connector [14]. Measure resistance
between connector [88] Terminal A
and Terminal C. Is resistance greater
than 1 megaohm?
YES
Replace ECM. See 4.29
ELECTRONIC CONTROL
MODULE.
7591
NO
Locate and repair open
in R/W wire.
7615
NO
Locate and repair open
in V/Y wire.
7580
NO
Locate and repair open
in BK/W wire.
7610
NO
Locate and repair short
between R/W and BK/W
wires. Reconnect [14].
7592
2002 Buell X1: Fuel System