Yamaha 2006 FJR1300AS, Service Manual

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YCC-S (Yamaha Chip Controlled-Shift) SYSTEM
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Fault code No. Sh_ _41 Symptom Coolant temperature sensor signal is abnormal.
Order Item/components and probable
cause
Check or maintenance job Reinstatement
method
1 Connections
• Wire harness MCU (motor control
unit) coupler
• Wire harness ECU 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 Open or short circuit in wire harness. • Repair or replace if there is an
open or short circuit.
• Between ECU coupler and
MCU (motor control unit) cou-
pler.
(yellow/blue–yellow/blue)
Fault code No. Sh_ _42 Symptom Communication between ECU and multi-func-
tion meter is abnormal.
Order Item/components and probable
cause
Check or maintenance job Reinstatement
method
1 Connections
• Wire harness MCU (motor control
unit) coupler
• YCC-S speed sensor 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 Open or short circuit in wire harness. • Repair or replace if there is an
open or short circuit.
• Between YCC-S speed sensor
coupler and MCU (motor con-
trol unit) coupler.
(yellow/blue–yellow/blue)