Yamaha YZF-R1B 2012 Service Manual page 456

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 coolant tem-
perature 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 Connection of primary injec-
tor sub-wire harness coupler
Check the connection of the
coupler is secure.
Remove the coupler, and
check each pin (for bending,
wear, or locking).
4 Continuity of wire harness
5 Installation status of coolant
temperature sensor
email: info@motomatrix.co.uk
21
Open or short circuit of coolant temperature sensor lead
Engine startup: Possible
Riding: Possible
D:06
When engine is cold: Displays temperature closer to air temperature
When engine is hot: Displays current coolant temperature
Compare the actually measured coolant temperature with the meter
display value.
Check or maintenance job
Poor connection → Connect
it securely, or repair/replace
the wire harness.
Poor connection → Connect
it securely, or repair/replace
the wire harness.
Poor connection → Connect
it securely, or repair/replace
the wire harness.
Open or short circuit →
Replace the wire harness
Black/Blue–Black/Blue
Green/White–Green/White
Check the mounting section
for a loose or pinched mount-
ing.
Make sure that the mounting
position is correct.
8-59
FUEL INJECTION SYSTEM
Sensor inspection proce-
Place the main switch to the
ON position, and check the
fault code indication.
No fault code indicated. →
Recovered.
Fault code indicated. →
Check the next step.
Place the main switch to the
ON position, and check the
fault code indication.
No fault code indicated. →
Recovered.
Fault code indicated. →
Check the next step.
Place the main switch to the
ON position, and check the
fault code indication.
No fault code indicated. →
Recovered.
Fault code indicated. →
Check the next step.
Place the main switch to the
ON position, and check the
fault code indication.
No fault code indicated. →
Recovered.
Fault code indicated. →
Check the next step.
Place the main switch to the
ON position, and check the
fault code indication.
No fault code indicated. →
Recovered.
Fault code indicated. →
Check the next step.
dure