Yamaha FJR1300AS(X) Service Manual page 697

YCC-S (Yamaha Chip Controlled-Shift) SYSTEM (FJR1300AS
Fault code No. Sh_ _43
Order Item/components and probable
cause
1 Connections
• Wire harness MCU (motor control
unit) coupler
• ABS ECU coupler
2 Open or short circuit in wire harness.
Fault code No. Sh_ _44
Order Item/components and probable
cause
1 Defective clutch actuator sensor.
2 Confirm the operation of the main
switch after repairing the malfunction
or correcting the cause.
NOTE:
If the main switch is turned to "OFF", the fault code number will disappear from the display and will not
be displayed again when the main switch is turned back to "ON". Therefore, use the engine stop switch
to stop the engine, not the main switch. If the fault code number has disappeared, activate the diagnos-
tic mode and select diagnostic code No. Sh_ _61. The fault code numbers can be confirmed in the mal-
function history.
Symptom Communication between MCU (motor control
unit) and ABS ECU is abnormal.
Check or maintenance job
• Check the coupler for any pins
that may be pulled out.
• Check the locking condition of
the coupler.
• If there is a malfunction, repair it
and connect the coupler se-
curely.
• Repair or replace if there is an
open or short circuit.
• Between ABS ECU coupler and
MCU (motor control unit) cou-
pler.
(brown/black–brown/black)
Symptom Clutch actuator sensor signal is abnormal.
Check or maintenance job
• Replace clutch actuator.
• Execute the diagnostic mode.
(Code No. Sh_ _63)
8-220
only)
Reinstatement
method
Repairing the
cause of the
malfunction.
Reinstatement
method
Turning the
main switch to
"OFF".
See NOTE.