Yamaha XT1200Z(Z) 2010, Service Manual

Page: 512 / 616

FUEL INJECTION SYSTEM
8-63
d:15
Meter display
Accelerator position sensor signal 2
• 9–25 (fully closed position)
• 97–113 (fully open position)
Procedure
• Check with throttle grip in fully closed position.
• Check with throttle grip in fully open position.
Item
Probable cause of mal-
function and check
Maintenance job
Confirmation of service
completion
1 Connection of accelerator
position 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 repair/replace the wire
harness.
Set 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 repair/replace the wire
harness.
Set 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 accelerator position
sensor coupler and ECU
coupler.
black/blue–black/blue
white–white
black–black
blue–blue
Set 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 accel-
erator position sensor.
Check for looseness or
pinching. Improperly installed sensor
→
Reinstall or replace the
sensor.
Refer to “CHECKING THE
ACCELERATOR POSITION
SENSOR” on page 8-153.
Set 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.
Fault code No. 59
Item Accelerator position sensor: open or short circuit detected.