Yamaha FJR13AEV(C) Service Manual page 660

YCC-S (Yamaha Chip Controlled-Shift) SYSTEM (FJR13AE only)
Fault code No. Sh_ _22
Order Item/components and probable
cause
1 Connections
• Wire harness MCU (motor control
unit) coupler
• Foot shift switch coupler
2 Open or short circuit in wire harness
and/or sub-lead 2.
3 Defective foot shift switch.
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.
Symptom Output signal of foot shift switch 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 foot shift switch cou-
pler and MCU (motor control
unit) coupler.
(orange/red–orange/black)
(blue–blue)
(black/blue–black/blue)
• Adjust or replace if defective.
Refer to "ADJUSTING THE
FOOT SHIFT SWITCH" on
page 5-70 and "CHECKING
THE FOOT SHIFT SWITCH
(FJR13AE only)" on page
8-235.
Symptom 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" on page 8-211.
8-189
Reinstatement
method
Repairing the
cause of the
malfunction.
Reinstatement
method
Repairing the
cause of the
malfunction.