Buell 2008 XB SERIES Electrical Diagnostics Manual page 107

Intake Air Temperature: DTC P0112 (15); DTC P0113 (15) (Part 2 of 2)
*
Continued from Intake Air Temperature Sensor, DTC
P0112 (15) and P0113 (15) (Part 1 of 2).
Disconnect IAT Sensor connector [89]. Measure
2
resistance between connector [89A] terminals "1" and "2".
With engine at room temperature 60-90
is resistance between 6816-3314 ohms?
YES
*
Using a DVOM, measure the resistance
between IAT Sensor connector [89] terminal
"1" and Breakout Box connector [11] (Gray)
terminal "14".
3
Is it less than 1.0 ohm?
YES
*
Using a DVOM, measure the resistance
between IAT Sensor connector [89] terminal
"2" and ECM connector [11] (Gray) terminal
3
"27" on Breakout Box.
Is it less than 1.0 ohm?
YES
*
Using a DVOM, measure the resistance
between ECM connector [11] (Gray)
terminals "14" and "27" on Breakout Box.
Is it greater than 1.0 megohm?
YES
*
Using a DVOM, measure the resistance
between ECM connector [11] (Gray)
terminal "14" on Breakout Box and ground.
Is it greater than 1.0 megohm?
YES
To locate sources of intermittents, wiggle
harness while performing steps marked
above by Bold Asterisk.
Repair as necessary.
At some point in the flow chart you may be
instructed to jump directly to a the box with the
bold asterisk. Disregard the asterisk (but not
the instruction box) if your normal progression
through the chart brings you to this location.
o o
F (15.6-32.2 C),
NO
Replace IAT Sensor. See
INTAKE AIR TEMPERATURE
SENSOR in Buell Service
Manual.
NO
Examine (LGN/Y)
wire in harness for
open circuit and
repair.
NO
Examine (BK/W) wire
in harness for open
circuit and repair.
NO
Examine (LGN/Y) wire and
(BK/W) wire in harness for
short between these two
circuits and repair.
NO
Examine harness
for short to ground
and repair.
Clear DTCs and confirm proper
operation with no check engine lamp.
Codes can be cleared using DIGITAL
TECHNICIAN (Part No. HD-44750).
2008 Buell XB Diagnostics: Engine Management 2-57
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