Engine Management Circuit - Buell XB9R 2003 Service Manual

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[11A] [11B]
bd0002xx
GRAY
5V Sensor Power 1 R/W
Throttle Position Sensor 2 V/Y
Camshaft Position Sensor 3 GN/W
4
Oxygen Sensor V/GY
5
Keep Alive Y
Fan Control 6
BK/O
Sensor Ground 7 BK/W
Vehicle Speed Sensor 8 W
Engine Temperature 9 PK/Y
Intake Air Temperature 10 LT.GN/Y
11
Serial Data Receive LT.GN/R
Serial Data Transmit 12 V/R
ECM
Switched Ignition 1
GY
System Ground A 2 BK
Fuel Pump 3 BN/Y
4
Check Engine Lamp BK/Y
Injector Front 5
W/Y
Front Coil Primary 6
Y/BE
Rear Coil Primary 7
BE/O
Injector Rear 8 GN/GY
Unused 9
Bank Angle Sensor Input 10 LT.GN/GY
System Ground B 11
BK
Tachometer 12
[10A]
[10B]
BLACK
TO FUSE & DIODE ASSY
[61B]
1 TN/W
2 TN/LTGN
2 TN/LTGN
3
7.5A
4 Y/BN
5 R/BK
15A
6
7 TN/LTGN
8 TN/Y
8 TN/Y
9
R
10
11 GY/O
12
13
14
15
16 Y
7.5A
17
18 R
19
15A
20
21
R
22
23
TOP VIEW 23
R
24
24 R
19 13 7 1
8
20 14 2
9 3 1 1
21 15
BANK 2 2
3 3
ANGLE
22 16 10 4 4 4 R/W
SENSOR
5 5 LT.GN/GY
6 6
BK/W
23 17 11 5
[134A] [134B]
24
18 12 6
Y/BE
Spare Diode #1
15A
Spare
Diode #2
7.5A
Brake/Horn DYNO LOOP
15A
#1 CYLINDER TRIGGER WIRE
ECM Cooling Fan
7.5A 7.5A
Lights Ignition
15A 15A
Key Switch
Accessory
15A
7.5A
Unused 1
Battery 2 R
Neutral TN/Y
3
Left Turn
4
Right Turn 5
High Beam 6
Check Engine
7 BK/Y
Oil Pressure 8
Unused 9
Unused
10
Unused
11
Ignition 12
Ground
13 BK
Tach In
14
Low Fuel Warning 15
Vss In W
16
Unused
17
Unused 18
Unused 19
Unused
20
[39A] [39B]
INSTRUMENT CLUSTER
FRONT INJECTOR
IGNITION SWITCH WIRING DIAGRAM
IGNITION SWITCH KEY POSITION A B C D
PARK O O
LOCK
OFF
ON O O O O
WIRE COLOR R
R/BK R R/GY
TO RH CONTROLS
R 1 1 R
1 1
2 2
2 2
R/BK 3 3 R/BK
W/BK 3 3 W/BK
R 4 4 R
GY 4 4 GY/O
[33A]
[33B]
[22B] [22A]
86
85
CLUTCH SWITCH
30
87A
[95B] [95A]
87
TN/LTGN
1 1
BK
2 2
RELAY CENTER
[62A] [62B]
86
85
30
87A
87
1 2
3 7 8
4 5 6
9 10
11
13
14 15
19
TOP VIEW
2003 XB9R Engine Management Circuit
REAR INJECTOR
[84A]
[85A]
BK
A B A B
A B A B
BK
[GRD1]
[84B] [85B]
[GRD3]
W/BK
1
9 TN/W
9 TN/W
5 GY/O
5 GY/O
4 GY
TO HEADLAMP
1
11 R/BK
2
19 BK
Y 3
15 R TO DATA LINK
BK 4
1 LT.GN/R
[38A]
14 R/BK 2 BK
3 V/R
4 GY
[91A]
IGNITION START
[38LA]
KEY SWITCH
H3-55W
HI AND LO
BEAMS
[38HA]
[97B] [97A]
COOLING FAN
BATTERY
Y/BN 1 1 Y/BN
BK
BK/O 2 2
[GRD2]
30A MAIN FUSE
R/Y 1
R 2
[5A]
FUEL PUMP
MTR
[86A] [86B]
A A
BK B B BK
LOW
BN/Y C C BN/Y
FUEL
GY D D GY
SENSOR
[131B] [131A]
TN/Y TN/Y
NEUTRAL
[65B] [65A]
VEHICLE
GY GY
A A
W W SPEED
B B
SENSOR
BK/W C C BK
R/W
A A R/W
GN/W
B B GN/W
BK/W C C BK/W CAM POSITION
[14A]
[14B] SENSOR
LT.GN/Y
1 1 LT.GN/Y
BK/W 2 2 BK/W
[89B] [89A]
[133A] [133B]
SIDESTAND
BK 1 1
TN/W 2 2 SWITCH
[88B]
[88A]
R/W A A THROTTLE POSITION
V/Y B
B
SENSOR
BK/W C C
Y/BE C C
GY B B
IGNITION
BE/O A A
COIL
SPARK
[83B] [83A]
PLUGS
V/GY 1 1
[137B] [137A]
OXYGEN
SENSOR
PK/Y 1 1
[90B] [90A]
HEAD TEMP SENSOR
1
2
3 Y
4 BK
[38B]
HEADLIGHT
SUB-HARNESS
[38LB]
Y
1 1
2 2 BK
1
1
2 BK
2
[38HB]
2003 Buell XB9R: Electrical
SWITCH
IAT
B-18