2005 YAMAHA VX110 fuel

7-3
E
–+ELECFUSE BOX
EXPLODED DIAGRAM
Step Procedure/Part name Q’ty Service points
9Bracket 1
10 Rubber mount 1
11 Main and fuel pump relay 1
12 Electronic control throttle valve
relay1
13 Tapping screw 2
14 Slant detection switch 1
15 Bolt 6
16 Fuse box cover 1
17 Nut 6
18 Gasket 1
19 Tapping screw 2
30
3 10
10
20 30
3 10
10
20
6 × 25 mm
6 × 20 mm
6 × 10 mm
6 × 8 mm
6 × 20 mm
AA
AA
3332 31
(VENT)
22
22 21
21 27
27
27
3029 28
24 23
13
1319 19 2625
173
4
5
6 2 1098 7
7
811
12
15
16
18
1420
1
1
17 N •
m (1.7 kgf • m, 12 ft • Ib)
15 N •
m (1.5 kgf • m, 11 ft • Ib)
36
35
35
34
35
17 N •
m (1.7 kgf • m, 12 ft • Ib)
31
6 × 20 mm
3.9 N • m (0.39 kgf • m, 2.8 ft • Ib)
Not reusable
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7-12
E
–+ELECIGNITION SYSTEM
IGNITION SYSTEM
WIRING DIAGRAM
10A
10A
3A
30A20A
WBrBRFREE
PUSHBWFREE
PUSH
Br BrFREE
PUSH
BW
W
BrBrBrBrR
W
B/W
B/O
B/O
B/O
B/R
P/R
P/R
W/B
P/W
P/W
B/O
L/B
B/WB/R
B/OP/W
P/R
W
W
WLR
Y
G
O
O
W
GG
BW
GG
O
OLG
W
Y
W
G/O
W/BR/Y
Y/G
BL
PBWP/W
B/GB/Y
Y/WL/RB/RB/W
B
B
BBP
P
P
BBP
RR
BBR
R/Y
B/OL/BB/OL/B
B/G
G/OB/OG/O
P/W
B/OB/YB/YR/Y
R/Y
R/Y
R/YB/YR/Y
R/Y
B/O
B/RR/Y
R/Y
R/YY/W
Y/GL/R
Y
P
P
O
O R
R
R
BB
BrRB/O
BBr
B/W
Y BrL R B
R
GB
R/YBBr
4
0 98
B
B B
B
H
I JK LM NOQ
PR
3
5
67 2 1
A
A A
A
C
D
E
F
G
1Battery
2Fuse (30 A)
3Fuse (20 A)
4Fuse (3 A)
5Fuse (10 A)
6Fuse (10 A)
7Starter relay
8Main and fuel pump
relay9Electronic control
throttle valve relay
0Slant detection switch
AIgnition coil
BSpark plug
CCam position sensor
DEngine temperature
sensor
EThermoswitch
(engine)FThermoswitch
(exhaust)
GOil pressure switch
HRemote control unit
(Deluxe model only)
IAntenna
(Deluxe model only)
JECM
KRectifier/regulatorLThrottle body assem-
bly
MAccelerator position
sensor
NPickup coil
OLighting coil
PStart switch
QEngine stop switch
REngine shut-off switch
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7-22
E
–+ELECIGNITION SYSTEM
MAIN AND FUEL PUMP RELAY
1. Check:
• Main and fuel pump relay continuity
Faulty → Replace.
Checking steps:
 Connect the tester leads to the main and
fuel pump relay terminals 5 and 6 or 7.
 Connect terminals 2 or 3 to the positive
battery terminal.
 Connect terminal 1 to the negative bat-
tery terminal.
 Check that there is continuity between
the main and fuel pump relay terminals.
 Check that there is no continuity between
the main and fuel pump relay terminals
after disconnecting terminals 1, 2, or
3.
 Connect the tester leads between main
and fuel pump relay terminals 7 and 8.
 Connect terminals 4 to the negative bat-
tery terminal.
 Connect terminal 6 to the positive bat-
tery terminal.
 Check that there is continuity between
the main and fuel pump relay terminals.
 Check that there is no continuity between
the main and fuel pump relay terminals
after disconnecting terminals 4 or 6.
–+
8
7
6
5
4
3
2
1
–+
8
7
6
5
4
3
2
1
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7-31
E
–+ELECFUEL CONTROL SYSTEM
FUEL CONTROL SYSTEM
WIRING DIAGRAM
10A
10A
3A
30A20A
RR
BBR
B/W
B/O
B/O
B/R
P/R
P/R
P/W
P/W
B/O
L/B
B/WB/R
B/O
P/RP/W
G
O
W
O
OLG
WR/YP/GY/G
B
OL
PB
Pu/RPu/B
Pu/GPu/Y
P/W
R/Y
W/B
Y/WL/R
B
BBP
P
P
BBP
R/Y
B/OL/BB/OL/B
P/G
P/W
B/O
B/O
B/YB/YR/Y
R/Y
R/Y
R/YPu/G
Pu/Y
Pu/B
Pu/RR/Y
R/Y
R/Y
R/Y
R/YY/W
Y/GL/R
O
P
P
O
R
R
L
R
R
B
BLBL
B
B/GPPB
W/BR/YB RW
9 87
E
E E E FGH I3
4
56 2 1
0
A
B
C
D J
K
1Battery
2Fuse (30 A)
3Fuse (20 A)
4Fuse (10 A)
5Fuse (10 A)
6Starter relay
7Main and fuel pump relay
8Electronic control throttle valve
relay9Slant detection switch
0Sensor assembly
(intake air pressure and intake
air temperature)
AEngine temperature sensor
BThermoswitch (engine)
CThermoswitch (exhaust)
DOil pressure switch
EFuel injectorFECM
GThrottle body assembly
HAccelerator position sensor
IElectric fuel pump
JFuel sender
KMultifunction meter
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7-32
E
–+ELECFUEL CONTROL SYSTEM
WIRING DIAGRAM
10A
10A
3A
30A20A
RR
BBR
B/W
B/O
B/O
B/R
P/R
P/R
P/W
P/W
B/O
L/B
B/WB/R
B/O
P/RP/W
G
O
W
O
OLG
WR/YP/GY/G
B
OL
PB
Pu/RPu/B
Pu/GPu/Y
P/W
R/Y
W/B
Y/WL/R
B
BBP
P
P
BBP
R/Y
B/OL/BB/OL/B
P/G
P/W
B/O
B/O
B/YB/YR/Y
R/Y
R/Y
R/YPu/G
Pu/Y
Pu/B
Pu/RR/Y
R/Y
R/Y
R/Y
R/YY/W
Y/GL/R
O
P
P
O
R
R
L
R
R
B
BLBL
B
B/GPPB
W/BR/YB RW
9 87
E
E E E FGH I3
4
56 2 1
0
A
B
C
D J
K
B: Black
G: Green
L: Blue
O : Orange
P: Pink
R: Red
W: White
B/G : Black/green
B/O : Black/orangeB/R : Black/red
B/W : Black/white
L/B : Blue/black
L/R : Blue/red
P/G : Pink/green
P/R : Pink/red
P/W : Pink/white
Pu/B : Purple/black
Pu/G : Purple/greenPu/R : Purple/red
Pu/Y : Purple/yellow
R/Y : Red/yellow
W/B : White/black
Y/G : Yellow/green
Y/W : Yellow/white
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7-33
E
–+ELECFUEL CONTROL SYSTEM
ELECTRIC FUEL PUMP
1. Check:
Fuel pump operating sound
Fuel pump does not sound →
Measure
the fuel pressure.
Refer to “FUEL INJECTION SYSTEM”
in Chapter 4.
FUEL SENDER
1. Measure:
Fuel sender resistance
Out of specification →
Replace.
Float
positionResistance (
Ω)
A 133.5–136.5
B5–7
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7-34
E
–+ELECFUEL CONTROL SYSTEM
FUEL INJECTOR
Refer to “FUEL INJECTION SYSTEM”
in Chapter 4.
MAIN AND FUEL PUMP RELAY
Refer to “IGNITION SYSTEM”.
OIL PRESSURE SWITCH
Refer to “INDICATION SYSTEM”.
THERMOSWITCH (ENGINE)
Refer to “IGNITION SYSTEM”.
THERMOSWITCH (EXHAUST)
Refer to “IGNITION SYSTEM”.
SLANT DETECTION SWITCH
Refer to “IGNITION SYSTEM”.
REMOTE CONTROL UNIT
(DELUXE MODEL ONLY)
Refer to “REMOTE CONTROL SYS-
TEM (DELUXE MODEL ONLY)”.
THROTTLE POSITION SENSOR
Refer to “IGNITION SYSTEM”.
ACCELERATOR POSITION SENSOR
Refer to “IGNITION SYSTEM”.
ProCarManuals.com

7-35
E
–+ELECSTARTING SYSTEM
STARTING SYSTEM
WIRING DIAGRAM
WBrBRFREE
PUSHBWFREE
PUSH
Br BrFREE
PUSH
BW
W
BrBrBrBrR
RB/O
10A
10A
3A
30A20A
RR
B
BBR
BBr
BBr
B
B/W
B/O
B/O
B/R
P/R
P/R
P/W
P/W
B/O
B/WB/R
B/O
P/RP/W
W
W
WL
RY
G
O
W
O
OLG
W
Y
W
G/O
R/YY/G
BOL
BW
R/Y
Y/WL/R
B
B
G/OB/OG/OR/YB/O
R/Y
R/Y
R/Y
Y/W
Y/GL/R
Y
O
O
R
RL
R
B
BLBL
Y BrL R B
Br W
09
B
C DEF G
5 4
6
78 3 I
HJ1
2
A
1Battery
2Starter motor
3Fuse (30 A)
4Fuse (20 A)
5Fuse (3 A)
6Fuse (10 A)
7Fuse (10 A)
8Starter relay
9Main and fuel pump relay0Electronic control throttle valve
relay
ACam position sensor
BRemote control unit
CAntenna
DECM
EThrottle body assembly
FAccelerator position sensor
GElectric fuel pumpHStart switch
IEngine stop switch
JEngine shut-off switch
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