Yamaha 2006 FJR1300AS Service Manual page 121

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.
Fault code No. Sh_ _35
Order Item/components and probable
cause
1 Connections
• Wire harness MCU (motor control
unit) coupler
• Relay unit coupler
• Right handlebar switch coupler
2 Open or short circuit in wire harness
and/or front cowling wire harness.
3 Defective relay unit.
4 Defective start switch.
YCC-S (Yamaha Chip Controlled-Shift) SYSTEM
Symptom
Symptom
– 112 –
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)
Start switch 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 right handlebar switch
coupler and relay unit coupler.
(white/blue–white/blue)
• Between relay unit coupler and
MCU (motor control unit) cou-
pler.
(blue/white–blue/white)
• Check and replace relay unit.
Refer to "CHECKING THE RE-
LAYS" in chapter 8. (Manual
No.: 3P6-28197-E0)
• Check and replace right handle-
bar switch.
Refer to "CHECKING THE
SWITCHES" in chapter 8.
(Manual No.: 3P6-28197-E0)
Reinstatement
method
Repairing the
cause of the
malfunction.
Reinstatement
method
Repairing the
cause of the
malfunction.