Yamaha YZF-R1B 2012 Service Manual page 446

Manuals by Motomatrix / www.motomatrix.co.uk / The Solution For Lost Motorcycle Coded Keys
If fault codes 13 and 14 are indicated simultaneously, take the actions specified for fault code 13
first.
Fault code No.
Symptom
Fail-safe action
Diagnostic monitor-
ing code No.
Meter display
Checking method
Item/components and
probable cause
1 Connection of intake air pres-
sure 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
4 Sensor installation status
- Check the mounting section
for loose or pinched mount-
ing.
email: info@motomatrix.co.uk
13
Open or short circuit of intake air pressure sensor lead
Engine startup: Possible
Riding: Possible
D:03
Displays the intake air pressure.
Set the engine stop switch to "
" ". (If the display value changes, the performance is OK.)
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.
Open or short circuit →
Replace the wire harness.
Black/Blue–Black/Blue
Pink/White–Pink/White
Blue–Blue
Incorrect installation → Rein-
stall or repair the sensor.
8-49
FUEL INJECTION SYSTEM
", and then push the start switch
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.
dure