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FUEL INJECTION SYSTEM
Self-diagnostic fault codes, symptoms, and probable causes
Diagnostic code indication
Code No. Symptom Probable cause of malfunction Diagnostic code
11
No normal signals are received from
the cylinder identification sensor.
• Open or short circuit in wiring sub lead.
• Open or short circuit in wiring harness.
• Defective cylinder identification sensor.
• Malfunction in ECU.
• Improperly installed sensor.
—
12
No normal signals are received from
the crankshaft position sensor.
• Open or short circuit in wiring harness.
• Defective crankshaft position sensor.
• Malfunction in pickup rotor.
• Malfunction in ECU.
• Improperly installed sensor.
—
13
Intake air pressure sensor - open or
short circuit detected.
• Open or short circuit in wiring sub lead.
• Open or short circuit in wiring harness.
• Defective intake air pressure sensor.
• Malfunction in ECU.
03
14
Faulty intake air pressure sensor pipe
system; a hose is detached, causing
constant application of the atmo-
spheric pressure to the sensor; or, the
hose is clogged.
• Intake air pressure sensor hose is detached, clogged,
kinked, or pinched.
• Malfunction of the intake air pressure sensor in the interme-
diate electrical potential.
• Malfunction of the atmospheric pressure sensor in the inter-
mediate electrical potential.
• Malfunction in ECU.
03
02
Or, intake air pressure sensor - open
or short circuit detected.
• Open or short circuit in wiring sub lead.
• Open or short circuit in wiring harness.
• Defective intake air pressure sensor.
• Malfunction in ECU.
03
Or, a stuck throttle position sensor is
detected.
• Open or short circuit in wiring sub lead.
• Open or short circuit in wiring harness.
• Defective sensor (stuck throttle position sensor).
01
15
Throttle position sensor - open or
short circuit detected.
• Open or short circuit in wiring sub lead.
• Open or short circuit in wiring harness.
• Defective throttle position sensor.
• Malfunction in ECU.
• Improperly installed throttle position sensor.
01
16
A stuck throttle position sensor is
detected.
Or,
Faulty intake air pressure sensor pipe
system; a hose is detached, causing
constant application of the atmo-
spheric pressure to the sensor; or, the
hose is clogged.
• Open or short circuit in wiring sub lead.
• Open or short circuit in wiring harness.
• Defective sensor (stuck throttle position sensor).
• Intake air pressure sensor hose is detached, clogged,
kinked, or pinched.
• Malfunction of the intake air pressure sensor in the interme-
diate electrical potential.
• Malfunction of the atmospheric pressure sensor in the inter-
mediate electrical potential.
• Malfunction in ECU.
01
03
02
19
Open circuit in the input line from the
sidestand switch to the ECU is
detected when the start switch is
pressed.
• Open or short circuit in wiring harness.
• Malfunction in ECU.
20
21
Coolant temperature sensor - open or
short circuit detected.
• Open or short circuit in wiring harness.
• Defective coolant temperature sensor.
• Malfunction in ECU.
• Improperly installed sensor.
06
22
Intake temperature sensor - open or
short circuit detected.
• Open or short circuit in wiring harness.
• Defective intake temperature sensor.
• Malfunction in ECU.
• Improperly installed sensor.
05