Buell 2003XB9S Service Manual page 362

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Code 14 Test (Part 2 of 2)
YES
Replace ET sensor (4.33
ENGINE TEMPERATURE
SENSOR), clear codes and
road test. Did check engine
lamp come on and set only
CODE 14?
YES
Install original ET sensor,
replace ECM (4.29 ELEC-
TRONIC CONTROL MODULE)
and road test.
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At some point in the flow chart you may be instructed
to jump directly to the box marked by an asterisk. Dis-
regard the asterisk (but not the instruction box) if your
normal progression through the chart brings you to
this location.
Clear codes and confirm proper operation with no
check engine lamp. Codes can be cleared using
DIGITAL TECHNICIAN (Part No. HD-44750).
Continued from Code 14 Test (Part 1 of
1 Connect ECM to Breakout Box. With DVOM still
connected, check for intermittents by performing
4.7 WIGGLE TEST. Intermittents present?
YES
While wiggling harness to locate source of
intermittents, perform the steps under
14 Test (Part 1 of 2)
Bold Asterisks. Repair as necessary.
NO
Less than
4.7 volts
With ET sensor disconnected, dis-
connect ECM connector [11]. Mea-
sure resistance between ECM
Pin 9 of [11] and Pin 2 of [10].
Is resistance less than 1 ohm?
NO YES
System OK. Repair short to
ground on
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PK/Y wire.
2).
Disconnect ET sensor connector. Turn igni-
Code tion switch ON. Using a DVOM, measure the
marked by voltage between ECM Pin 9 of [11] and Pin 2
Is voltage approximately 5 volts?
Unplug ECM leaving Breakout Box
connected at vehicle harness.
Measure voltage between ECM
Pin 9 of [11] and Pin 2 of [10] on
NO
Replace ECM. See
4.29 ELECTRONIC
CONTROL MODULE.
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7675
2003 Buell XB9S: Fuel System
NO
of [10] on Breakout Box.
NO
Greater than
5.3 volts.
Breakout Box.
Is the voltage 0 volts?
YES NO
Replace ECM. See
4.29 ELECTRONIC
CONTROL MODULE.
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Examine ET signal wire
(PK/Y) for short to 12
volts and repair.
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