Yamaha FJR1300AS(X) Service Manual page 699

YCC-S (Yamaha Chip Controlled-Shift) SYSTEM (FJR1300AS
Fault code No. Sh_ _47
Order Item/components and probable
cause
1 Connections
• Wire harness MCU (motor control
unit) coupler
• Brake light relay coupler
2 Open or short circuit in wire harness.
3 Defective brake light relay.
Fault code No. Sh_ _48
Order Item/components and probable
cause
1 Engine idling speed
2 Defective fast idle unit.
NOTE:
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.
Symptom Braking signal is not detected while braking.
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 battery and main
switch coupler.
(red–red)
• Between main switch coupler
and signaling system fuse.
(brown/blue–brown/blue)
• Between signaling system fuse
and brake light relay coupler.
(brown–brown)
• Between brake light relay cou-
pler and MCU (motor control
unit) coupler.
(yellow/green–yellow/green)
• Replace if defective.
Refer to "CHECKING THE RE-
LAYS" on page 8-243.
Symptom Improper engine idling speed adjustment.
Check or maintenance job
• Check and adjust the engine
idling speed.
Refer to "ADJUSTING THE EN-
GINE IDLING SPEED" on page
3-10.
• Replace the throttle bodies.
Refer to "THROTTLE BODIES"
on page 7-4.
8-222
only)
Reinstatement
method
Repairing the
cause of the
malfunction.
Reinstatement
method
Turning the
main switch to
"OFF".
See NOTE.