Buell 2008 XB SERIES Electrical Diagnostics Manual page 235

et00007
IGNITION SWITCH WIRING DIAGRAM
KEY POSITION
1 3 4 2
PARK
0 0
LOCK
OFF
ON
0 0 0 0
WIRE COLOR R R/BK R/GY
R
WIRE SECT MM
1 1 1 1
+ +
CONNECTING
BATTERY USER + BATTERY
USER +
[11A] [11B]
ECM
J1
Clutch switch 2 2
TN/LGN
[11A]
Throttle position sensor 4 4 V/Y
(GY)
Neutral switch 8 8
TN/Y
Active muffler feedback 9 9
TN/V
Engine temp input 11 11
PK/Y
Vehicle speed sensor 13 13 W
Air temp input 14 14
LGN/Y
Serial data receive
15 15 LGN/R
Serial data transmit 16 16
V/R
Bank angle sensor
17 17 LGN/GY
Crank position sensor 18 18
GN/W
Sensor GND# 3
19 19 BK/W
20 20 BK/PK
Idle air
21 21 BE/GN
control
22 22 BN/R
motor
23 23
BK/O
5v sensor power
24 24 R/W
5v sensor power 25 25
R/W
Crank sensor neg 26 26 BK/BE
Sensor GND# 1 27 27 BK/W
Sensor GND# 2
28 28 BK/W
Oxygen sensor 32 32
V/GY
Sidestand sensor 34 34 TN/W
J2 Active muffler control 1 1
W
[10A] Fan control
2 2 BK/O
(BK)
Fan control 3 3
BK/O
System GND# 4 8 8
BK
Switched ignition 9 9 GY
Active intake 10 10 GY/O
System GND# 3 16 16
BK
Battery +
17 17
Y
Vehicle speed 21 21 W
Check engine lamp 23 23
BK/Y
System GND# 2 24 24
BK
Front coil 25 25
Y/BE
Fuel pump output 27 27
BN/Y
Fuel pump output 28 28 BN/Y
Front injector output 29 29
W/Y
Rear injector output
30 30 GN/GY
Rear coil 31 31 BE/O
Rear coil 32 32
BE/O
System GND# 1 33 33 BK
Front coil 34 34
Y/BE
[10A] [10B]
2 3 7 12
2 3 7 12
Speedometer
Ignition
[33A] [33B]
Switch
R 1 1 R
R/GY 2
3 3
R/BK R/BK
R 4 4 R
RH Controls
2 3 4
[22A]
[39B]
13 16
Fuse/Relay
13 16
Assembly [62B]
[39A]
86 1 W/BK
85 9
BK
30 5
GY/O
87A
87 4
GY
11 R/BK
86
85 19 BK
30 15 R
87A
87 14
R/BK
Figure B-4. Engine Management Circuit, All Models
Active
Japan only
Intake
1 2 Solenoid [88B] [88A]
Throttle
1 1 BK/W
Position 2 2
[178] V/Y
3 3 R/W
Sensor
Rear Injector
Front Injector
1 2 1 2
[84B] [85B]
R/Y
BK
BK
GRD 3
Cooling Fan
GRD 1
GY/O
Fuse Pump 10 Amp
Key Switch
[134B]
R/W 4
5
LGN/GY
BK/W 6
Bank Angle Sensor
[95B]
Clutch SW
1 2
[83B] [83A]
Ignition
Y/BE 1 1
Engine Temp Sensor
Coil
GY 2 2
[90B]
BE/O 3 3
[137B]
Y/BN
BK/O
Cooling Fan
[97B]
IAT
BK
LGN/Y 1 GRD 2
[89B]
2
BK/W
Active Muffler Sub Harness (Japan only)
[61B] (Japan only)
Exhaust Valve Actuator
Fuse/Relay Assembly
Battery 30 Amp
Motor
R
41 35
Brake/Horn/Muffler
R/BK
O 29 23
10 Amp
R 30 24 Y/BN
Ignition 15 Amp
27 21 R
Position
Sensor
R 39 33 O/GY
ECM 10 Amp
Fuel Pump
R 42 36 Y
BK 1
4
15 Amp BN/Y
O/GY 3
R
R 44 38
[86A]
[65B]
GN/W
BK/BE
[79B]
Data Link
LGN/R 1
BK/W 2
Connector
V/R 3
4
GY
[91A]
1 2 3
[90A]
PK/Y 1 1
Oxygen Sensor
[137A]
V/GY 1 1 GY
1 1
Y
2 2
BK
[97A]
[11B]
Part of ECM J1
20 BK/PK
Idle Air
21 BE/GN
Control
22
BN/R
Motor
23
BK/O
O 1 1 O
2 2 W
W
3 3
TN/V TN/V
[165A] [165B]
Vbat
1 1 O
2 2
BK
3 3
DC W
4 4 TN/V
Ground
[87B]
[161A] [161B]
1 2 3 4
Idle Air
Controller
MTR
1 BK
Low
4
BN/Y
Fuel
3 O/GY
Sensor
[86B]
Neutral SW
1 1
TN/Y
[131B] [131A]
R/W 1
2
W
3
BK/W
[65A]
VSS
CKP
1 1
2 2
[79A]
[133B]
Sidestand
Sensor
(HDI only)