Yamaha FJR13AG Service Manual page 751

SELF-DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE
Fault code
Item
No.
P0107 [P0107] Intake air
P0108 pressure sensor
(ground short circuit
detected)
[P0108] Intake air
pressure sensor
(open or power short
circuit detected)
P0112 [P0112] Air tempera-
P0113 ture sensor (ground
short circuit detected)
[P0113] Air tempera-
ture sensor (open or
power short circuit de-
tected)
Probable cause of
malfunction
[P0107] Low voltage Engine idling speed is
of the intake air pres- unstable.
sure sensor circuit Engine response is
(0.5 V or less) poor.
[P0108] High voltage Loss of engine power.
of the intake air pres- Increased exhaust
sure sensor circuit emissions.
(4.8 V or more)
• Defective coupler
between intake air
pressure sensor and
ECU.
• Open or short cir-
cuit in wire harness
between intake air
pressure sensor and
ECU.
• Defective intake air
pressure sensor.
• Malfunction in ECU.
[P0112] Low voltage Engine is difficult to
of the air temperature start.
sensor circuit (0.1 V Increased exhaust
or less) emissions.
[P0113] High voltage Engine idling speed is
of the air temperature unstable.
sensor circuit (4.8 V
or more)
• Defective coupler
between air tem-
perature sensor and
ECU.
• Open or short cir-
cuit in wire harness
between air tem-
perature sensor and
ECU.
• Improperly installed
air temperature sen-
sor.
• Defective air tem-
perature sensor.
• Malfunction in ECU.
9-6
Fail-safe system op-
Vehicle symptom
Intake air pressure
difference is fixed to 0
[kPa].
α–N is fixed.
Fuel is not cut off due
to the intake air pres-
sure difference.
Intake air pressure is
fixed to 101.3 [kPa].
O
2
carried out.
ISC feedback is not
carried out.
ISC learning is not
carried out.
Cruise control system
cannot be operated.
The intake air tem-
perature is fixed to 20
[°C].
O
2
carried out.
ISC feedback is not
carried out.
ISC learning is not
carried out.
Cruise control system
cannot be operated.
(ECU)
eration
feedback is not
feedback is not