Buell 2002 S3T, Service Manual

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2002 Buell S3T: Fuel System 4-47
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Code 11 Test (Part 2 of 2)
Clear codes and confirm proper
operation with no check engine
lamp.
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?
NO
Continued from Code 11 Test (Part 1 of 2) .
Unplug TP sensor connector [88]. Measure voltage between
Terminal A (R/W wire) (+) and C (BK/W wire) (-) with ignition ON.
Is voltage 5.0 +/- 0.25?
YES
Connect Breakout Box if not
already connected. Check
resistance between ECM Pin
2 on connector [11] to chassis
ground. Is resistance greater
than 1 megaohm?
Find short to ground
on V/Y wire.
NO
Check continuity from
Pin 2 of connector [11]
to Terminal B on
connector [88].
Continuity present?
YES
Locate and repair
open in V/Y wire.
NO
Replace TP sensor.
See 4.35 THROTTLE
POSITION SENSOR.
YES
7590
7580
7605
Locate and repair open
in R/W wire.
NO
Check continuity
between connector [88]
Terminal B (V/Y wire)
and Pin 2 of connector
[11]. Continuity present?
YES
7615
Locate and repair open
in V/Y wire.
NO
Check continuity
between connector [88]
Terminal C and Pin 7 of
connector [11].
Continuity present?
YES
7580
Locate and repair open
in BK/W wire.
NO
Disconnect cam position sensor
connector [14]. Measure resistance
between connector [88] Terminal A
and Terminal C. Is resistance greater
than 1 megaohm?
YES
7610
Locate and repair short
between R/W and BK/W
wires. Reconnect [14].
NO
Replace ECM. See 4.29
ELECTRONIC CONTROL
MODULE .
YES
7592
2
1 1
2
7591