Operation Manual

FUEL INJECTION SYSTEM
8-56
Fault code No. 41
Item
Lean angle sensor: open or short circuit detected. (no normal sig-
nals are received from the lean angle sensor.)
Fail-safe system
Unable to start engine
Unable to drive vehicle
Diagnostic code No. d:08
Meter display
Lean angle sensor output voltage
• 0.4–1.4 (upright)
• 3.7–4.4 (overturned)
Procedure Remove the lean angle sensor and incline it more than 45 degrees.
Item/components and
probable cause
Check or maintenance job
Sensor inspection proce-
dure
1 Connection of lean angle
sensor coupler
Check the connection of the
coupler is secure.
Disconnect the coupler, and
check each pin (for bending,
wear, or locking).
Poor connection → Connect it
securely, or repair/replace the
wire harness.
Rotate the main switch to the
OFF position first, and then
rotate it to the ON position
again.
Then, check the fault code
indication.
No fault code indicated. →
Recovered.
Fault code indicated. →
Check the next step.
2 Connection of wire harness
ECU coupler
Check the connection of the
coupler is secure.
Disconnect the coupler, and
check each pin (for bending,
wear, or locking).
Poor connection → Connect it
securely, or repair/replace the
harness.
Rotate the main switch to the
OFF position first, and then
rotate it to the ON position
again.
Then, check the fault code
indication.
No fault code indicated. →
Recovered.
Fault code indicated. →
Check the next step.
3 Continuity of wire harness Open or short circuit →
Replace the wire harness.
Black/blue–Black/blue
Yellow/green–Yellow/green
Blue–Blue
Rotate the main switch to the
OFF position first, and then
rotate it to the ON position
again.
Then, check the fault code
indication.
No fault code indicated. →
Recovered.
Fault code indicated. →
Check the next step.