Engine Management Circuit - Buell 2004 XB9S Service Manual

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bs0017xx
IGNITION SWITCH WIRING DIAGRAM
KEY POSITION A C D B
PARK 0 0
LOCK
OFF
ON 0 0 0 0
WIRE COLOR R R/BK R R/GY
WIRE SECT mm 1 1 1 1
+ +
CONNECTING
BATTERY USER + BATTERY USER +
ECM
5V SENSOR POWER 1 R/W
THROTTLE POS SENSOR 2 V/Y
(GY)
CAMSHAFT POS SENSOR 3 GN/W
OXYGEN SENSOR 4 V/GY
[11B]
KEEP ALIVE 5 Y
FAN CONTROL 6 BK/O
SENSOR GROUND 7 BK/W
VEHICLE SPEED SENSOR 8 W
ENGINE TEMP INPUT 9 PK/Y
AIR TEMP INPUT 10 LT.GN/Y
SERIAL DATA RECEIVE 11 LT.GN/R
SERIAL DATA TRANSMIT 12 V/R
ACTIVE MUFFLER CONTROL 1 W
[164B]
SWITCHED IGNITION 1 GY
SYSTEM GROUND A 2 BK
(BK)
FUEL PUMP OUTPUT 3 BN/Y
CHECK ENGINE LAMP 4 BK/Y
[10B]
INJECTOR FRONT OUTPUT 5 W/Y
FRONT COIL PRIMARY 6 Y/BE
REAR COIL PRIMARY 7 BE/O
INJECTOR REAR OUTPUT 8 GN/GY
ACTIVE MUFFLER FEEDBACK 9 TN/V
BANK ANGLE SENSOR 10 LT.GN/GY
SYSTEM GROUND B 11 BK
TACHOMETER OUTPUT 12
[39B]
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
SPEEDOMETER
[39A]
IGN
IGN
RH CONTROLS SW
[33A]
1 2 3 4
1 2 3 4
[22A]
1 2 3 4
[33B]
Y/BE
DYNO
LOOP
[62B]
FUSE/RELAY
ASSEMBLY
W/BK
1 1
W/BK
2 9
BK
4 5
GY/O
5 3
GY/O
3 4 GY
R/BK
11 R/BK
1
19 BK
2
4 15 R
5 13
3 14 R/BK
2004 Lightning Models Engine Management Circuit
[88A]
[88B]
THROTTLE 1 BK/W
1
POSITION 2 2 V/Y
SENSOR 3 3 R/W
REAR INJECTOR
FRONT INJECTOR
1 2 1 2
[84B] [85B]
LT.GN/Y
BK/W
FUSE/RELAY ASSEMBLY
R/Y
TN/Y
BK TN/Y
[GRD3]
BK BRAKE/HORN/MUFFLER
O
[GRD1] R
GY/O
R
R
R
1
2
3
[134B]
R/W 4
5
LT.GN/GY
6
BK/W
BANK ANGLE SENSOR
LT.GN/R
[95B]
CLUTCH SW 1 2
[83B] [83A]
Y/BE 1 1
IGN.
2 2
GY
COIL
3 3
BE/O
[97B]
IAT
1
[89B]
2
[GRD2]
[61B]
BATTERY
41 35 R
DIODE
40 34 TN/LT.GN
29 23 R/BK
COOLING FAN
30 24 Y/BN
IGNITION
27 21 R/BK
ECM
42 36 Y
KEY SWITCH
44 38 R
HEADLAMP
1
2
3
BK 4
[38B]
DATA LINK
1
BK 2
V/R 3
[91A]
GY 4
ENGINE TEMP SENSOR
[90B] [90A]
PK/Y 1 1
[137B] [137A]
OXYGEN SENSOR
1 1
V/GY GY
1 1
Y/BN Y
BK/O 2 2 BK
COOLING FAN
[97A]
BK
ACTIVE MUFFLER SUB HARNESS
O 1 1 O
W 2 2 W
TN/V 3 3 TN/V
[165A] [165B]
MUFFLER VALVE
ACTUATOR
V bat
1 1 O
MOTOR
2 2 BK
3 3 W
DC
4 4 TN/V
GROUND
[161A] [161B]
Some 2004 XB9S models
POSITION
SENSOR may not have the circuitry
for the active muffler.
FUEL PUMP
MTR
A A
BK B B BK
LOW
BN/Y C C BN/Y
FUEL
GY D D GY
SENSOR
[86A] [86B]
NEUTRAL SW
1 1
TN/Y
[131B] [131A]
VSS
R/W A A R
W B B W
BK/W C C BK
[65A]
[65B]
CMP
A A
R/W R/W
B B
GN/W GN/W
BK/W C C BK/W
[14B] [14A]
2004 Buell Lightning: Electrical B-18