Yamaha FJR1300A(D) - Page 495

FUEL INJECTION SYSTEM
8-46
13
Meter display
Throttle position sensor signal 2
• 9–23 (fully closed position)
• 94–108 (fully open position)
Procedure
• Check with throttle valves fully closed.
• Check with throttle valves fully open.
Item
Probable cause of mal-
function and check
Maintenance job
Confirmation of service
completion
1 Connection of throttle posi-
tion sensor coupler.
Check the locking condition
of the coupler.
Disconnect the coupler and
check the pins (bent or bro-
ken terminals and locking
condition of the pins).
Improperly connected →
Connect the coupler secure-
ly or replace the wire har-
ness.
Turn the main switch to “ON”.
Fault code number is not dis-
played → Service is finished.
Fault code number is dis-
played → Go to item 2.
2 Connection of wire harness
ECU coupler.
Check the locking condition
of the coupler.
Disconnect the coupler and
check the pins (bent or bro-
ken terminals and locking
condition of the pins).
Improperly connected →
Connect the coupler secure-
ly or replace the wire har-
ness.
Turn the main switch to “ON”.
Fault code number is not dis-
played → Service is finished.
Fault code number is dis-
played → Go to item 3.
3 Wire harness continuity. Open or short circuit → Re-
place the wire harness.
Between throttle position
sensor coupler and ECU
coupler.
black/blue–black/blue
white–white
black–black
blue–blue
Turn the main switch to “ON”.
Fault code number is not dis-
played → Service is finished.
Fault code number is dis-
played → Go to item 4.
4 Installed condition of throttle
position sensor.
Check for looseness or
pinching.
Improperly installed sensor
→ Reinstall or adjust the
sensor.
Refer to “ADJUSTING THE
THROTTLE POSITION
SENSOR” on page 7-11.
Turn the main switch to “ON”.
Fault code number is not dis-
played → Service is finished.
Fault code number is dis-
played → Go to item 5.
5 Throttle position sensor re-
sistance.
Measure the throttle position
sensor resistance.
black/blue–blue
Refer to “CHECKING THE
THROTTLE POSITION
SENSOR” on page 8-187.
Turn the main switch to “ON”.
Fault code number is not dis-
played → Service is finished.
Fault code number is dis-
played → Go to item 6.
Fault code No. 15
Item Throttle position sensor: open or short circuit detected.