Yamaha 2007 R6 Service

FUEL INJECTION SYSTEM
8-68
Fault code No. 59 Symptom Throttle position sensor (for throttle cable pulley): open or 
short circuit detected.
Throttle position sensor (for throttle cable pulley): coupler 
connection is loose.
Diagnostic code No. 14
15Throttle position sensor (for throttle cable pulley) signal 1
Throttle position sensor (for throttle cable pulley) signal 2
Order Item/components and probable 
causeCheck or maintenance job Reinstatement 
method
1 Installed state of throttle position sen-
sor...

FUEL INJECTION SYSTEM
8-69
Fault code No. 60 Symptom Throttle servo motor: open or short circuit detected.
Defective throttle servo motor.
Malfunction in ECU (servo motor driving system).
Diagnostic code No. 01
13Throttle position sensor (for throttle valves) signal 1
Throttle position sensor (for throttle valves) signal 2
Order Item/components and probable 
causeCheck or maintenance job Reinstatement 
method
1 Installed state of throttle position sen-
sor (for throttle valves).•Check for looseness or...

FUEL INJECTION SYSTEM
8-70
Fault code No. Er-2 Symptom No signals are received from the ECU within the specified 
duration.
Diagnostic code No.——
Order Item/components and probable 
causeCheck or maintenance job Reinstatement 
method
1 Connections
•Main wire harness ECU coupler
•Main wire harness meter assembly 
coupler•Check the couplers for any pins 
that may be pulled out.
•Check the locking condition of 
the couplers.
•If there is a malfunction, repair it 
and connect the coupler se-
curely.Turning...

FUEL INJECTION SYSTEM
8-71
Fault code No. Er-4 Symptom Non-registered data has been received from the meter.
Diagnostic code No.——
Order Item/components and probable 
causeCheck or maintenance job Reinstatement 
method
1 Connections
•Main wire harness ECU coupler
•Main wire harness meter assembly 
coupler•Check the couplers for any pins 
that may be pulled out.
•Check the locking condition of 
the couplers.
•If there is a malfunction, repair it 
and connect the coupler se-
curely.Turning the 
main switch...

FUEL INJECTION SYSTEM
8-72 

FUEL PUMP SYSTEM
8-73
EAS27550
FUEL PUMP SYSTEM
EAS27560
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...

FUEL PUMP SYSTEM
8-74
3. Main switch
4. Ignition fuse
6. Main fuse
7. Battery
9. Fuel injection system fuse
11.Engine ground
13.Relay unit
15.Fuel pump relay
18.Fuel pump
22.ECU (engine control unit)
64.Engine stop switch 

FUEL PUMP SYSTEM
8-75
EAS27570
TROUBLESHOOTING
If the fuel pump fails to operate.
NOTE:
•Before troubleshooting, remove the following part(s):
1. Rider seat
2. Fuel tank
3. Side cowlings
 
 NG →
OK ↓
 
 NG →
OK ↓
 
 NG →
OK ↓
 
 NG →
OK ↓
 
 NG →
OK ↓
 
 NG →
OK ↓
 
 NG →
OK ↓ 1. Check the fuses.
(Main, ignition and fuel injection 
system)
Refer to “CHECKING THE FUS-
ES” on page 8-85.Replace the fuse(s).
2. Check the battery.
Refer to “CHECKING AND 
CHARGING THE BATTERY” on 
page 8-86.•Clean the battery...

FUEL PUMP SYSTEM
8-76 

ELECTRICAL COMPONENTS
8-77
EAS27970
ELECTRICAL COMPONENTS
1234
5
6
7
8
9
10
11
12
13
14 15 16 17 18 1920