Yamaha 2006 FJR1300AS, Service Manual

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YCC-S (Yamaha Chip Controlled-Shift) SYSTEM
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Fault code No. Sh_ _34 Symptom TPS (throttle position sensor) signal is abnor-
mal.
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_ _35 Symptom Start switch signal is abnormal.
Order Item/components and probable
cause
Check or maintenance job Reinstatement
method
1 Connections
• Wire harness MCU (motor control
unit) coupler
• Relay unit coupler
• Right handlebar switch 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
and/or front cowling wire harness. • 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)
3 Defective relay unit. • Check and replace relay unit.
Refer to “CHECKING THE RE-
LAYS” in chapter 8. (Manual
No.: 3P6-28197-E0)
4 Defective start switch. • Check and replace right handle-
bar switch.
Refer to “CHECKING THE
SWITCHES” in chapter 8.
(Manual No.: 3P6-28197-E0)