Yamaha FJR1300A(X), Service Manual

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YCC-S (Yamaha Chip Controlled-Shift) SYSTEM (FJR1300AS
only)
8-203
Fault code No. Sh_ _11 Symptom Too low or too high voltage is supplied to the
YCC-S system.
Order Item/components and probable
cause
Check or maintenance job Reinstatement
method
1 Connections
• Wire harness MCU (motor control
unit) coupler
• 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.
Repairing the
cause of the
malfunction.
2 Faulty battery • Replace or charge the battery.
Refer to “CHECKING AND
CHARGING THE BATTERY” on
page 8-240.
3 Malfunction in rectifier/regulator • Replace if detective.
Refer to “CHARGING SYS-
TEM” on page 8-29.
4 Open or short circuit in wire harness. • Repair or replace if there is an
open or short circuit.
• Between battery and main
switch coupler.
(red–red)
• Between main switch coupler
and signaling system fuse.
(brown/blue–brown/blue)
• Between signaling system fuse
and MCU (motor control unit)
coupler.
(brown–brown)
Fault code No. Sh_ _12 Symptom Malfunction of power cut-off function in the
MCU (motor control unit).
Order Item/components and probable
cause
Check or maintenance job Reinstatement
method
1 Malfunction in MCU (motor control
unit). Replace the MCU (motor control
unit). Repairing the
cause of the
malfunction.