Yamaha 2006 FJR1300AS Service Manual page 118

Fault code No. Sh_ _23
Order Item/components and probable
cause
1 Connections
• Wire harness MCU (motor control
unit) coupler
2 Open circuit in wire harness.
3 Defective sidestand switch.
Fault code No. Sh_ _25
Order Item/components and probable
cause
1 Malfunction in MCU (motor control
unit).
YCC-S (Yamaha Chip Controlled-Shift) SYSTEM
Symptom
Symptom
– 109 –
No input signal from sidestand switch.
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 circuit.
• Between sidestand switch cou-
pler and MCU (motor control
unit) coupler.
(blue/green–blue/green)
• Check and replace if defective.
Refer to "CHECKING THE
SWITCHES" in chapter 8.
(Manual No.: 3P6-28197-E0)
Error has occurred in the actuator drive circuit
in MCU (motor control unit) when main switch is
turned to "ON".
Check or maintenance job
Replace the MCU (motor control
unit).
Reinstatement
method
Repairing the
cause of the
malfunction.
Reinstatement
method
Replacing the
MCU (motor
control unit).