Yamaha FJR13AY 2009 Service Manual page 686

YCC-S (Yamaha Chip Controlled-Shift) SYSTEM (FJR13AE only)
Fault code No. Sh_ _32
Order Item/components and probable
cause
1 Connections
• Wire harness MCU (motor control
unit) coupler
• YCC-S speed sensor coupler
2 Open or short circuit in wire harness.
3 Defective YCC-S speed sensor.
TIP
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.
Fault code No. Sh_ _34
Order Item/components and probable
cause
1 Connections
• Wire harness MCU (motor control
unit) coupler
• Wire harness ECU coupler
2 Open or short circuit in wire harness.
Symptom YCC-S speed sensor signal 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 YCC-S speed sensor
coupler and MCU (motor con-
trol unit) coupler.
(white/yellow–white/yellow)
(blue–blue)
(black/blue–black/blue)
• Replace if detective.
Refer to "CHECKING THE
YCC-S SPEED SENSOR
(FJR13AE only)" on page
8-244.
Symptom TPS (throttle position sensor) signal is abnor-
mal.
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 ECU coupler and
MCU (motor control unit) cou-
pler.
(yellow/blue–yellow/blue)
8-203
Reinstatement
method
Turning the
main switch to
"OFF".
See NOTE.
Reinstatement
method
Repairing the
cause of the
malfunction.