FUEL INJECTION SYSTEM
8-48
Fault code No.
14
Symptom
Intake air pressure sensor: hose system malfunction
(clogged or detached hose).
Diagnostic code No.
03
Intake air pressure sensor
Orde
r
Item/components and probable
cause
Check or maintenance job
Reinstatement
method
1
Intake air pressure sensor hose
• Check the intake air pressure
sensor hose condition.
• Repair or replace the sensor
hose.
Cranking the
engine.
2
Defective intake air pressure sensor.
• Execute the diagnostic mode.
(Code No. 03)
• Replace if defective.
Refer to "CHECKING THE
INTAKE AIR PRESSURE SEN-
SOR" on page 8-103.
Fault code No.
15
Symptom
Throttle position sensor (for throttle valves): open or
short circuit detected.
Diagnostic code No.
01
13
Throttle position sensor (for throttle valves) signal 1
Throttle position sensor (for throttle valves) signal 2
Orde
r
Item/components and probable
cause
Check or maintenance job
Reinstatement
method
1
Installed condition of throttle position
sensor (for throttle valves).
• Check for looseness or pinch-
ing.
• Check that the sensor is
installed in the specified posi-
tion.
Turning the
main switch to
“ON”.
2
Connections
• Throttle position sensor (for throttle
valves) coupler
• Main wire harness ECU coupler
• Check the coupler for any pins
that may be pulled out.
• Check the locking condition of
the coupler.
• If there is a malfunction, repair it
and connect the coupler
securely.
3
Open or short circuit in wire harness.
• Repair or replace if there is an
open or short circuit.
• Between throttle position sensor
(for throttle valves) coupler and
ECU coupler.
(Black/Blue–Black/Blue)
(White–White)
(Black–Black)
(Blue–Blue)
4
Defective throttle position sensor (for
throttle valves).
• Execute the diagnostic mode.
(Code Nos. 01, 13)
• Replace if defective.
Refer to "CHECKING THE
THROTTLE POSITION SEN-
SOR (FOR THROTTLE
VALVES)" on page 8-101.
Manuals by Motomatrix / www.motomatrix.co.uk / The Solution For Lost Motorcycle Coded Keys
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