Yamaha FJR1300(S) Supplementary Service Manual page 25

Self-diagnostic fault codes, symptoms, and probable causes
Diagnostic code indication
Code No. Symptom
No normal signals are received from
the cylinder identification sensor.
11
No normal signals are received from
the crankshaft position sensor.
12
Intake air pressure sensor - open or
short circuit detected.
13
Faulty intake air pressure sensor pipe
system; a hose is detached or
clogged.
Or, intake air pressure sensor - open
14
or short circuit detected.
Or, a stuck throttle position sensor is
detected.
Throttle position sensor - open or
short circuit detected.
15
A stuck throttle position sensor is
detected.
Or,
Faulty intake air pressure sensor pipe
16
system; a hose is detached or
clogged.
A break or disconnection of the black/
19 red of the ECU is detected when the
start switch is pressed.
Coolant temperature sensor - open or
short circuit detected.
21
Intake air temperature sensor - open
or short circuit detected.
22
FUEL INJECTION SYSTEM
Probable cause of malfunction
• 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.
• Open or short circuit in wiring harness.
• Defective crankshaft position sensor.
• Malfunction in pickup rotor.
• Malfunction in ECU.
• Improperly installed sensor.
• Open or short circuit in wiring sub lead.
• Open or short circuit in wiring harness.
• Defective intake air pressure sensor.
• Malfunction in ECU.
• 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 in ECU.
• Open or short circuit in wiring sub lead.
• Open or short circuit in wiring harness.
• Defective intake air pressure sensor.
• Malfunction in ECU.
• Open or short circuit in wiring sub lead.
• Open or short circuit in wiring harness.
• Defective sensor (stuck throttle position sensor).
• 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.
• 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 in ECU.
• Open circuit in wiring harness.
• Malfunction in ECU.
• Defective ECU coupler.
• Open or short circuit in wiring harness.
• Defective coolant temperature sensor.
• Malfunction in ECU.
• Improperly installed sensor.
• Open or short circuit in wiring harness.
• Defective intake air temperature sensor.
• Malfunction in ECU.
• Improperly installed sensor.
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FI
Diagnostic code
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—
03
03
03
01
01
01
03
20
06
05