Yamaha 2013 FJR1300AS Service Manual page 687

Fault code No.
Item
3 Connection of MCU 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).
4 Wire harness continuity.
5 Defective YCC-S speed sen-
sor.
6 Malfunction in MCU.
Fault code No.
Item
Fail-safe system
Diagnostic code No.
Meter display
Procedure
Probable cause of mal-
Item
function and check
YCC-S (Yamaha Chip Controlled-Shift) SYSTEM
Sh_ _32
Vehicle speed signal is abnormal.
Improperly connected →
Connect the coupler secure-
ly or replace the wire har-
ness.
Open or short circuit → Re-
place the wire harness.
Between MCU coupler and
YCC-S speed sensor cou-
pler.
white/yellow–white/yellow
Between MCU coupler and
joint coupler.
blue–blue
black/blue–black/blue
Between joint coupler and
YCC-S speed sensor cou-
pler.
blue–blue
black/blue–black/blue
Refer to "CHECKING THE
YCC-S SPEED SENSOR"
on page 8-283.
Output voltage reading cycle:
0.6 V to 4.8 V to 0.6 V to 4.8
V
Out of specification → Re-
place the YCC-S speed sen-
sor.
Replace the MCU.
After replacing the MCU, car-
ry out the learning for each
gear position and adjust the
clutch stroke.
Refer to "REPLACING THE
MCU (MOTOR CONTROL
UNIT)" on page 8-174.
Sh_ _35
Start switch signal is abnormal.
Able to start
Able to change the shift
—
—
—
Maintenance job
8-216
Malfunction is repaired →
Service is finished.
Malfunction could not be
found → Go to item 4.
Malfunction is repaired →
Service is finished.
Malfunction could not be
found → Go to item 5.
Malfunction is repaired →
Service is finished.
Malfunction could not be
found → Go to item 6.
Confirmation of service
completion