Yamaha 2014 MT-07 Service Manual page 449

Fault code No.
Item
1 Connection of throttle position
sensor coupler.
Check the locking condition of
the coupler.
Disconnect the coupler and
check the pins (bent or broken
terminals and locking condition
of the pins).
2 Connection of ECU coupler.
Check the locking condition of
the coupler.
Disconnect the coupler and
check the pins (bent or broken
terminals and locking condition
of the pins).
3 Wire harness continuity.
4 Installed condition of throttle po-
sition sensor.
Check for looseness or pinch-
ing.
5 Throttle position sensor resis-
tance.
6 Defective throttle position sen-
sor.
15
Throttle position sensor: open or short circuit detected.
Improperly connected → Con-
nect the coupler securely or re-
place the wire harness.
Improperly connected → Con-
nect the coupler securely or re-
place the wire harness.
Open or short circuit → Replace
the wire harness.
Between throttle position sensor
coupler and sub-wire harness
coupler.
black/blue–black/blue
white–white
blue–blue
Between sub-wire harness and
ECU coupler.
white–white
blue–blue
Between sub-wire harness and
joint coupler.
black/blue–black/blue
Between joint coupler and ECU
coupler.
black/blue–black/blue
Improperly installed sensor →
Reinstall or adjust the sensor.
Refer to "ADJUSTING THE
THROTTLE POSITION SEN-
SOR" on page 7-15.
Measure the throttle position
sensor resistance.
black/blue–blue
Refer to "CHECKING THE
THROTTLE POSITION SEN-
SOR" on page 8-139.
Check throttle position sensor
signal.
Execute the diagnostic mode.
(Code No. 01)
When the throttle valves are ful-
ly closed:
A value of 11–21 is indicated.
When throttle valves are fully
open:
A value of 96–106 is indicated.
8-44
FUEL INJECTION SYSTEM
Turn the main switch to "ON".
Fault code number is not dis-
played → Service is finished.
Fault code number is displayed
→ Go to item 2.
Turn the main switch to "ON".
Fault code number is not dis-
played → Service is finished.
Fault code number is displayed
→ Go to item 3.
Turn the main switch to "ON".
Fault code number is not dis-
played → Service is finished.
Fault code number is displayed
→ Go to item 4.
Turn the main switch to "ON".
Fault code number is not dis-
played → Service is finished.
Fault code number is displayed
→ Go to item 5.
Turn the main switch to "ON".
Fault code number is not dis-
played → Service is finished.
Fault code number is displayed
→ Go to item 6.
Turn the main switch to "ON".
Fault code number is not dis-
played → Service is finished.
Fault code number is displayed
→ Go to item 7.