Yamaha 2013 FJR1300AS Service Manual page 691

Fault code No.
Item
4 Defective clutch actuator
sensor.
5 Malfunction in MCU.
Fault code No.
Item
Fail-safe system
Diagnostic code No.
Meter display
Procedure
Probable cause of mal-
Item
function and check
1 Connection of shift actuator
motor 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).
YCC-S (Yamaha Chip Controlled-Shift) SYSTEM
Sh_ _36
Clutch actuator sensor: open or short circuit detected.
1. Measure the resistance of
the clutch actuator sen-
sor.
Refer to "CHECKING
THE CLUTCH ACTUA-
TOR SENSOR" on page
5-55.
Specified resistance:
1.75–3.25 kΩ
Out of specification → Re-
place the clutch actuator.
2. Measure the output volt-
age of the clutch actuator
sensor.
Refer to "CHECKING
THE CLUTCH ACTUA-
TOR SENSOR" on page
5-55.
Specified output voltage:
0.4–4.6 V
Out of specification → Re-
place the clutch actuator.
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_ _37
Power supply to clutch or shift actuator motor is abnormal.
Unable to start
Unable to change the shift
—
—
—
Maintenance job
Improperly connected →
Connect the coupler secure-
ly or replace the wire har-
ness.
8-220
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.
Confirmation of service
completion
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.