General - Buell 2008 XB SERIES Electrical Diagnostics Manual

DTC P1154 (26), P1155 (27)

GENERAL

Clutch Switch and Neutral Switch
Diagnostic trouble codes (DTCs) P1154 (26) and P1155 (27)
will set when either the clutch switch circuit or neutral switch
circuit is shorted to ground at speeds greater than 10 MPH
(16 km/h) for more than 60 seconds. Refer to
Table 2-65. Code Description
DTC CHECK
ENGINE
LAMP CODE
P1154 26
P1155 27
ed01312
Figure 2-93. Neutral Switch
Table 2-65.
DESCRIPTION
Clutch position sensor circuit
low
Neutral switch input circuit low
em01242
Y
BE
W
Y/BK
BE/W
V
BN
O/W
TN/LGN
BK
Clutch
Switch
Figure 2-94. Left Handlebar Switch Connection (No pin 1
connection on Firebolt)
DIAGNOSTICS
PART NUMBER
B-48115 BREAKOUT BOX
Diagnostic Notes
Each reference number below correlates to a circled number
on the flow chart(s).
1. Connect BREAKOUT BOX (Part No. B-48115) to ECM.
See 2.6 BREAKOUT BOX.
2. If DTC is current (lamp on continuously, clear codes return
during operation), replace ECM. If DTC is historic, check
for intermittents.
2008 Buell XB Diagnostics: Engine Management 2-119
2.32
Left
Handlebar
Switch
[24B] [24A]
To headlight
1 1 Y
Light power
2 2 BE
High beam
3 3 W
4 4 Y/BK Horn
From flasher
5 5 BE/W
Left turn
6 6 V
Right turn
7 7 BN
O Horn power
8 8
To interlock circuit
1 1 TN/LGN
To ground
2 2 BK
[95A] [95B]
Clutch
Switch
TOOL NAME