2016 YAMAHA WR 450F Owners Manual

CHARGING SYSTEM
9-15
EAS27240

LIGHTING SYSTEM
9-16
LIGHTING SYSTEM
EAS2GC1366CIRCUIT DIAGRAM
ONOFF
ONOFF
BBB
BBB
RRR
RRR/L
Br Br Br
Br Br
(Gy)
(Gy)B/LGyWW W BGy
BR
WW W
BR
R,R/Y
G
R
Y/B
R,R/W
Br
RL/R
(B)R/YR/WBr/WL/G
Br/W,BrL/W
(B)
(B) Br BrL/Y
Y/R
G/YBrBB
BrBrL/YY/W
(B) (B)B BGG/Y
RR/L
RLg
W/B
(B)
BGyBr RW/BB/LLYP
G/WB/Y
R/BLgG/YW
Br/W
OL/RY/BB/OL/BSbY/R
L/Y P/L
Y/G
(Gy)R/L R/BR/LB/Y
R/WR/L
R/W,BrP/L
R/L R/L
(B)
(B) (B)
(L)
(L) (B)
BR/LLBR/L R/L R/L R/L R/L B/L B/L B/L B/L B/L B/L B/LLLLLBBBB
Br Br Br Br
B/LBr/W
B/LG/WLYB/L
B/LPLB/LY/GL
(B)
(B)B/OBBBSbW/B
Sb
SbG/B
L/G,L/WL/BBrG/BG/BB
BB
(B)
(B)L/BBBB
Br Br
Br BrBr
BB
LY
(B)
(B)
(B)
(B)
(B)
GB
ChDg YB
BRW
BrRBW
B/WRW
Ch DgYBBrR/WBW
R
O
OR/L
BB
B
B
BBBBBB
RRRRRR/L
BrBrBrBrBr
Br
Br
BrBrBrBrR/LR/LR/LR/LR/L
B
LLLP
PL
Y
Y
RR
Br
R/LR/L
R/L
P/L
P/L
R/L
R/L
R/LR/B
R/B
L/RL/Y
L/Y
Y/R
Y/R
G/Y
G/YG/Y
G/Y
B/Y
B/Y
R/LB/LB/L
B/LB/LB/LY/G
Y/GB/L
B/OL/BY/BW/B
W/B
G/B
L/B
W/BW/B
L/BL/BL/GL/W
L/W
L/R
Br/W
Br/W
R/W
R/W
R/Y
R/Y
G/BG/B
G/B
B/O
B/LB/LB/LB/LB/LB/LB/L
G/W
G/W
Br/W
Br/W
R/WR/WBr
O
O
RGy
LLLLBBBB
B
B
B
B
BB
B
B
RRWW
Y
Y
Dg
Dg
Ch
Ch
RW
BrBrBrBr
Br
B
W
Sb
SbSb
SbBr
Br
B
Br
Lg
Lg
R/L
R
R
RR
Gy
BB
WWWWWW
R
RRGGBB
B
Y/B
R
BB
Br
Br
Br
L/G
B/L
B/WB/W
OR
OR
BBB
B
BBBBB

LIGHTING SYSTEM
9-17
1. Joint connector
2. Joint connector
6. Headlight relay
7. Main relay
9. Battery
10.Frame ground
11.Starter relay
12.Main fuse
22.ECU (engine control unit)
30.Joint connector
42.Joint connector
43.Taillight
44.Headlight
47.Multi-function display
48.Frame ground
50.Negative battery lead

LIGHTING SYSTEM
9-18
EAS2GC1367TROUBLESHOOTING
Any of the following fail to light: headlight or meter light.
TIP
Before troubleshooting, remove the following part (s):
1. Seat
2. Side cover (left)
3. Air scoop (left/right)
4. Fuel tank1. Check the each bulbs condition. Refer to “CHECKING THE BULBS
AND BULB SOCKETS” on page 9-
67. NG

Replace the bulb (s).
OK 
2. Check the fuse. Refer to “CHECKING THE FUSES”
on page 9-68. NG

Replace the fuse(s).
OK 
3. Check the battery. Refer to “CHECKING AND
CHARGING THE BATTERY” on
page 9-69. NG

• Clean the battery terminals.
• Recharge or replace the battery.
OK 
4. Check the main relay. Refer to “CHECKING THE RE-
LAYS” on page 9-72. NG

Replace the main relay.
OK 
5. Check the headlight relay. Refer to “CHECKING THE RE-
LAYS” on page 9-72. NG

Replace the headlight relay.
OK 
6. Check the entire lighting system’s wiring.
Refer to “CIRCUIT DIAGRAM” on
page 9-16. NG

Properly connect or repair the lighting sys-
tem’s wiring.
OK 
Replace the ECU, meter assembly, or
taillight.

LIGHTING SYSTEM
9-19
EAS27270

SIGNALING SYSTEM
9-20
SIGNALING SYSTEM
EAS2GC1368CIRCUIT DIAGRAM
ONOFF
ONOFF
BBB
BBB
RRR
RRR/L
Br Br Br
Br Br
(Gy)
(Gy)B/LGyWW W BGy
BR
WW W
BR
R,R/Y
G
R
Y/B
R,R/W
Br
RL/R
(B)R/YR/WBr/WL/G
Br/W,BrL/W
(B)
(B) Br BrL/Y
Y/R
G/YBrBB
BrBrL/YY/W
(B) (B)B BGG/Y
RR/L
RLg
W/B
(B)
BGyBr RW/BB/LLYP
G/WB/Y
R/BLgG/YW
Br/W
OL/RY/BB/OL/BSbY/R
L/Y P/L
Y/G
(Gy)R/L R/BR/LB/Y
R/WR/L
R/W,BrP/L
R/L R/L
(B)
(B) (B)
(L)
(L) (B)
BR/LLBR/L R/L R/L R/L R/L B/L B/L B/L B/L B/L B/L B/LLLLLBBBB
Br Br Br Br
B/LBr/W
B/LG/WLYB/L
B/LPLB/LY/GL
(B)
(B)B/OBBBSbW/B
Sb
SbG/B
L/G,L/WL/BBrG/BG/BB
BB
(B)
(B)L/BBBB
Br Br
Br BrBr
BB
LY
(B)
(B)
(B)
(B)
(B)
GB
ChDg YB
BRW
BrRBW
B/WRW
Ch DgYBBrR/WBW
R
O
OR/L
BB
B
B
BBBBBB
RRRRRR/L
BrBrBrBrBr
Br
Br
BrBrBrBrR/LR/LR/LR/LR/L
B
LLLP
PL
Y
Y
RR
Br
R/LR/L
R/L
P/L
P/L
R/L
R/L
R/LR/B
R/B
L/RL/Y
L/Y
Y/R
Y/R
G/Y
G/YG/Y
G/Y
B/Y
B/Y
R/LB/LB/L
B/LB/LB/LY/G
Y/GB/L
B/OL/BY/BW/B
W/B
G/B
L/B
W/BW/B
L/BL/BL/GL/W
L/W
L/R
Br/W
Br/W
R/W
R/W
R/Y
R/Y
G/BG/B
G/B
B/O
B/LB/LB/LB/LB/LB/LB/L
G/W
G/W
Br/W
Br/W
R/WR/WBr
O
O
RGy
LLLLBBBB
B
B
B
B
BB
B
B
RRWW
Y
Y
Dg
Dg
Ch
Ch
RW
BrBrBrBr
Br
B
W
Sb
SbSb
SbBr
Br
B
Br
Lg
Lg
R/L
R
R
RR
Gy
BB
WWWWWW
R
RRGGBB
B
Y/B
BB
Br
Br
Br
L/G
B/L
B/WB/W
OR
OR
RBBB
B
BBBBB

SIGNALING SYSTEM
9-21
1. Joint connector
2. Joint connector
3. Joint connector
7. Main relay
9. Battery
10.Frame ground
11.Starter relay
12.Main fuse
15.Indicator light
17.Fuel level warning light
18.Resistor
19.Fuel sender
22.ECU (engine control unit)
30.Joint connector
42.Joint connector
46.Speed sensor
47.Multi-function display
48.Frame ground
50.Negative battery lead

SIGNALING SYSTEM
9-22
EAS2GC1369TROUBLESHOOTING
• The speedometer does not operate normally.
• The fuel indicator light does not come on.
TIP
Before troubleshooting, remove the following part (s):
1. Seat
2. Side cover (left/right)
3. Air scoop (left/right)
4. Fuel tank
Check the signaling system
The speedometer fails to operate.
1. Check the fuse.Refer to “CHECKING THE FUSES”
on page 9-68. NG

Replace the fuse(s).
OK 
2. Check the battery. Refer to “CHECKING AND
CHARGING THE BATTERY” on
page 9-69. NG

• Clean the battery terminals.
• Recharge or replace the battery.
OK 
3. Check the main relay. Refer to “CHECKING THE RE-
LAYS” on page 9-72. NG

Replace the main relay.
OK 
4. Check the entire signaling system’s wiring.
Refer to “CIRCUIT DIAGRAM” on
page 9-20. NG

Properly connect or repair the signaling
system’s wiring.
OK 
This circuit is OK.
1. Check the speed sensor. Refer to “CHECKING THE SPEED
SENSOR” on page 9-77. NG

Replace the speed sensor.
OK 
2. Check the entire signaling system’s wiring.
Refer to “CIRCUIT DIAGRAM” on
page 9-20. NG

Properly connect or repair the signaling
system’s wiring.
OK 
Replace the meter assembly.