Yamaha 2007 XP500 Service Manual page 362

Fault code No. 14
Diagnostic code No.
Order Item/components and probable cause
1 Intake air pressure sensor hose
2 Intake air pressure sensor malfunction at
intermediate electrical potential.
3 Connected state of connector
Intake air pressure sensor coupler
G
Main wire harness ECU (engine)
G
coupler
4 Defective intake air pressure sensor
Intake air pressure sensor-pipe system malfunction (clogged or
Symptom
detached hose).
03 Intake air pressure sensor
FUEL INJECTION SYSTEM
Check or maintenance job
Check the Intake air pressure
G
sensor hose condition.
Repair or replace the sensor
G
hose.
Check and repair the connec-
G
tion.
Replace it if there is a malfunc-
G
tion.
Check the coupler for any pins
G
that may have pulled out.
Check the locking condition of
G
the coupler.
If there is a malfunction, repair it
G
and connect it securely.
Execute the diagnostic monitor-
G
ing mode. (Code No.03)
Replace if defective.
G
Refer to "CHECKING THE IN-
TAKE AIR PRESSURE SENSOR"
on page 8-120.
8-47
Reinstatement
method
Starting the
engine and oper-
ating it at idle.