Yamaha 2007 FZ6-NA Service Manual page 419

Fault code No. 15 Symptom Throttle position sensor-open or short circuit detected.
Diagnostic code No.
Item/components and probable
Order
Installed condition of throttle position
1
sensor.
Connected state of connector
• Throttle position sensor coupler
• Main wire harness ECU coupler
2
Open or short circuit in wire harness
and/or sub lead.
3
Throttle position sensor lead wire
open circuit output voltage check.
4
Defective throttle position sensor.
5
Fault code No. 16 Symptom AStuck throttle position sensor detected.
Diagnostic code No.
Item/components and probable
Order
Installed condition of throttle position
1
sensor.
Defective throttle position sensor.
2
01 Throttle position sensor
cause
01 Throttle position sensor
cause
FUEL INJECTION SYSTEM
Check or maintenance job
Check the installed area for
looseness or pinching.
• Check the coupler for any pins
that may have pulled out.
• Check the locking condition of
the coupler.
• If there is a malfunction, repair it
and connect it securely.
• Repair or replace if there is an
open or short circuit.
• Between throttle position sensor
coupler and ECU coupler
(Black/Blue–Black/Blue)
(Yellow–Yellow)
(Blue–Blue)
• Check for open circuit and
replace the throttle position sen-
sor.
(Black/Blue–Yellow)
Open circuit Output voltage
item
Ground wire
open circuit
Output wire
open circuit
Power supply
wire open circuit
• Execute the diagnostic monitor-
ing mode. (Code No.01)
• Replace if defective.
Refer to "CHECKING THE
THROTTLE POSITION SEN-
SOR" on page 8-128.
Check or maintenance job
Check the installed area for
looseness or pinching.
• Execute the diagnostic monitor-
ing mode. (Code No.01)
• Replace if defective.
Refer to "CHECKING THE
THROTTLE POSITION SEN-
SOR" on page 8-128.
8-46
Reinstate-
ment method
Turning the
main switch
ON.
5 V
0 V
0 V
Reinstate-
ment method
Starting the
engine and
operating it at
idle, and then
by racing it.