Yamaha FJR13AY 2009 Service Manual page 562

Fault code No. 13
Diagnostic code No.
Order Item/components and probable
cause
1 Connections
• Intake air pressure sensor coupler
• Wire harness ECU coupler
• Sub-wire harness coupler
2 Open or short circuit in wire harness
and/or sub-wire harness.
3 Defective intake air pressure sensor
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 coupler
• Sub-wire harness coupler
Symptom Intake air pressure sensor: open or short circuit detected.
d:03 Intake air pressure sensor
Check or maintenance job
• Check the coupler for any pins
• Check the locking condition of
• If there is a malfunction, repair it
• Repair or replace if there is an
• Between intake air pressure
• Execute the diagnostic mode.
• Replace if defective.
Symptom Intake air pressure sensor: hose system malfunction
(clogged or detached hose).
d: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
8-79
FUEL INJECTION SYSTEM
that may be pulled out.
the coupler.
and connect the coupler se-
curely.
open or short circuit.
sensor coupler and ECU cou-
pler.
(black/blue–black/blue)
(pink/white–pink/white)
(blue–blue)
(Code No.d:03)
Refer to "CHECKING THE IN-
TAKE AIR PRESSURE SEN-
SOR" on page 8-242.
sensor hose condition.
hose.
tion.
tion.
that may be pulled out.
the coupler.
and connect the coupler se-
curely.
Reinstatement
method
Turning the
main switch to
"ON".
Reinstatement
method
Starting the en-
gine and oper-
ating it at idle.