Yamaha 2007 R6 Service

LIGHTING SYSTEM
8-18
3. Main switch
6. Main fuse
7. Battery
11.Engine ground
22.ECU (engine control unit)
57.High beam indicator light
60.Meter light
68.Dimmer switch
75.Front right turn signal/position light
76.Front left turn signal/position light
77.Headlight (low beam)
78.Headlight (high beam)
79.Auxiliary light
80.License plate light
82.Tail/brake light
83.Headlight relay (on/off)
84.Headlight relay (dimmer)
86.Headlight fuse 

LIGHTING SYSTEM
8-19
EAS27260
TROUBLESHOOTING
Any of the following fail to light: headlight (high beam), headlight (low beam), high beam indicator light, 
taillight, license plate light, auxiliary light or meter light.
NOTE:
•Before troubleshooting, remove the following part(s):
1. Rider seat
2. Fuel tank
3. Side cowlings
4. Rear cowling
5. Front cowling
 
 NG →
OK ↓
 
 NG →
OK ↓
 
 NG →
OK ↓
 
 NG →
OK ↓
 
 NG →
OK ↓
 
 NG →
OK ↓
 
 NG →
OK ↓ 1. Check the condition of each bulb 
and bulb socket.
Refer...

LIGHTING SYSTEM
8-20
 
 NG →
OK ↓ 8. Check the entire lighting system’s 
wiring.
Refer to “CIRCUIT DIAGRAM” on 
page 8-17.Properly connect or repair the lighting sys-
tem’s wiring.
This circuit is OK. 

SIGNALING SYSTEM
8-21
EAS27270
SIGNALING SYSTEM
EAS27280
CIRCUIT DIAGRAM
Gy B Gy
B/L
B BL/BB ON
OFF
W W
G/Y L/W
R/W
R/BB Br
B
L
B
LR
RR RR/W L/WYL/RB Y L
B Br YB BB
R/LB
G/W
BrGRG/Y2R/W
Ch
ChB
B
B/L Y/GLP
B/WO/R
W
B/LL/Y
DgB
L
B/L
W/Y
L
B/LW/B
R/YB/GY/B2R/Y
Ch
ChB
B
Dg
DgB
BO
BB
B
B
B
B/G
B/YB Y
Gy/R
B/GB
B/YBL/R L/RB
Y/B1
B/W
Y/L
B/R R/G
BrG/W
L/W2Sb/W
B/YDg
Ch L
B/L
W/RL
W
B/LG/W
O/G
R/LR/BR/LL/BR/LW/L
R/LG/BR/LO/BR/LSb/WR/LBr/B
R/LBr/Y
Gy/GBr/R
R/W
Br/R
Br/R
Br/W
Br/W
O
O
C C
C
C B B A
B
D
D
D
CD A A...

SIGNALING SYSTEM
8-22
3. Main switch
4. Ignition fuse
6. Main fuse
7. Battery
11.Engine ground
13.Relay unit
16.Neutral switch
19.Fuel sender
22.ECU (engine control unit)
40.Crankshaft position sensor
42.Coolant temperature sensor
45.Cylinder identification sensor
46.Speed sensor
49.Fuel level warning light
50.Oil level warning light
51.Neutral indicator light
52.Tachometer
53.Shift timing indicator light
54.Multi-function meter
56.Coolant temperature warning light
58.Left turn signal indicator light...

SIGNALING SYSTEM
8-23
EAS27290
TROUBLESHOOTING
•Any of the following fail to light: turn signal light, brake light or indicator light.
•The horn fails to sound.
NOTE:
•Before troubleshooting, remove the following part(s):
1. Rider seat
2. Fuel tank
3. Side cowlings
4. Bottom cowlings
5. Rear cowling
 
 NG →
OK ↓
 
 NG →
OK ↓
 
 NG →
OK ↓
 
 NG →
OK ↓
Checking the signaling system
The horn fails to sound.
 
 NG →
OK ↓
 
 NG →
OK ↓ 1. Check the fuses.
(Main, ignition and signaling sys-
tem)
Refer to...

SIGNALING SYSTEM
8-24
 
 NG →
OK ↓
The brake light fails to come on.
 
 NG →
OK ↓
 
 NG →
OK ↓
 
 NG →
OK ↓
The turn signal light, turn signal indicator light or both fail to blink.
 
 NG →
OK ↓
 
 NG →
OK ↓
 
 NG →
OK ↓ 3. Check the entire signaling system’s 
wiring.
Refer to “CIRCUIT DIAGRAM” on 
page 8-21.Properly connect or repair the signaling 
system’s wiring.
This circuit is OK.
1. Check the front brake light switch.
Refer to “CHECKING THE 
SWITCHES” on page 8-81.Replace the front brake light...

SIGNALING SYSTEM
8-25
 
 NG →
OK ↓
The neutral indicator light fails to come on.
 
 NG →
OK ↓
 
 NG →
OK ↓
 
 NG →
OK ↓
The oil level warning light fails to come on.
 
 NG →
OK ↓
 
 NG →
OK ↓
The fuel level warning light fails to come on.
 
 NG →
OK ↓ 4. Check the entire signaling system’s 
wiring.
Refer to “CIRCUIT DIAGRAM” on 
page 8-21.Properly connect or repair the signaling 
system’s wiring.
This circuit is OK.
1. Check the neutral switch.
Refer to “CHECKING THE 
SWITCHES” on page 8-81.Replace the...

SIGNALING SYSTEM
8-26
 
 NG →
OK ↓
The coolant temperature warning light fails to come on.
 
 NG →
OK ↓
 
 NG →
OK ↓
The speedometer fails to operate.
 
 NG →
OK ↓
 
 NG →
OK ↓
The shift timing indicator light fails to come on.
 
 NG →
OK ↓ 2. Check the entire signaling system’s 
wiring.
Refer to “CIRCUIT DIAGRAM” on 
page 8-21.Properly connect or repair the signaling 
system’s wiring.
This circuit is OK.
1. Check the coolant temperature sen-
sor.
Refer to “CHECKING THE COOL-
ANT TEMPERATURE SENSOR” 
on...

SIGNALING SYSTEM
8-27
 
 NG →
OK ↓ 2. Check the entire signaling system’s 
wiring.
Refer to “CIRCUIT DIAGRAM” on 
page 8-21.Properly connect or repair the signaling 
system’s wiring.
This circuit is OK.