Yamaha WR125R 2009 Service Manual page 337

Fault code No. 41
Diagnostic code No.
Order Item/components and probable
cause
1 Connections
• Lean angle sensor coupler
• Wire harness ECU coupler
2 Open or short circuit in wire harness.
3 Defective lean angle sensor.
Symptom Lean angle sensor: open or short circuit detected.
D08 Lean angle sensor
FUEL INJECTION SYSTEM
Check or maintenance job
• Check the coupler for any pins
that may have 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 lean angle sensor
coupler and ECU coupler.
(gray/red–gray/red)
(yellow/green–yellow/green)
(gray/black–gray/black)
• Execute the diagnostic mode.
(Code No.D08)
• Replace if defective.
Refer to "CHECKING THE
LEAN ANGLE SENSOR" on
page 8-71.
8-52
Reinstatement
method
Set the main
switch to "ON".