Yamaha YZF-R1B 2012 Service Manual page 479

Manuals by Motomatrix / www.motomatrix.co.uk / The Solution For Lost Motorcycle Coded Keys
Fault code No.
Symptom
Fail-safe action
Diagnostic monitor-
ing code No.
Meter display
Checking method
Item/components and
probable cause
1 Connection of lean angle
sensor coupler
Check the connection of the
coupler is secure.
Remove the coupler, and
check each pin (for bending,
wear, or locking).
2 Connection of main harness
ECU coupler
Check the connection of the
coupler is secure.
Remove the coupler, and
check each pin (for bending,
wear, or locking).
3 Continuity of wire harness
email: info@motomatrix.co.uk
41
Open or short circuit of lean angle sensor lead
Engine startup: Impossible
Riding: Impossible
D:08
Lean angle sensor
• 0.4–1.4 (upright)
• 3.7–4.4 (overturned)
Remove the lean angle sensor and incline more than 45 degrees.
Check or maintenance job
Poor connection → Connect
it securely, or repair/replace
the wire harness.
Poor connection → Connect
it securely, or repair/replace
the harness.
Open or short circuit →
Replace the wire harness.
Black/Blue–Black/Blue
Yellow/Green–Yellow/Green
Blue–Blue
8-82
FUEL INJECTION SYSTEM
Sensor inspection proce-
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.
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.
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.
dure