Yamaha 2009 XP500Y TMAX Service Manual page 340

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 Connections
• Intake air pressure sensor coupler
• Wire harness ECU (engine control
unit) coupler
4 Defective intake air pressure sensor.
Symptom Intake air pressure sensor: hose system malfunction
(clogged or detached hose).
03 Intake air pressure sensor
Check or maintenance job
• Check the intake air pressure
• Repair or replace the sensor
• Check and repair the connec-
• Replace it if there is a malfunc-
• Check the coupler for any pins
• Check the locking condition of
• If there is a malfunction, repair it
• Execute the diagnostic mode.
• Replace if defective.
8-43
FUEL INJECTION SYSTEM
sensor hose condition.
hose.
tion.
tion.
that may have pulled out.
the coupler.
and connect the coupler se-
curely.
(Code No. 03)
Refer to "CHECKING THE IN-
TAKE AIR PRESSURE SEN-
SOR" on page 8-77.
Reinstatement
method
Starting the en-
gine and oper-
ating it at idle.