Yamaha YFM70RY Service Manual page 335

Fault code No. 41
Diagnostic code No.
Order Item/components and probable
cause
1 Connections
• Lean angle sensor coupler
• Main 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.
(black/blue–black/blue)
(yellow/green–yellow/green)
(blue–blue)
• Execute the diagnostic mode.
(Code No. d08)
• Replace if defective.
Refer to "CHECKING THE
LEAN ANGLE SENSOR" on
page 8-68
8-46
Reinstatement
method
Turning the
main switch to
"ON".