Yamaha MTN1000 2016 Service Manual page 633

SELF-DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE
Fault
Item
code 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] Intake air
P0113 temperature sensor
(ground short circuit
detected)
[P0113] Intake air
temperature sensor
(open or power short
circuit detected)
Probable cause of
malfunction
[P0107] Low voltage
of the intake air pres-
sure sensor circuit
(0.5 V or less)
[P0108] High voltage
of the intake air pres-
sure sensor circuit
(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
of the intake air tem-
perature sensor circuit
(0.1 V or less)
[P0113] High voltage
of the intake air tem-
perature sensor circuit
(4.8 V or more)
• Defective coupler
between intake air
temperature sensor
and ECU.
• Open or short cir-
cuit in wire harness
between intake air
temperature sensor
and ECU.
• Improperly installed
intake air tempera-
ture sensor.
• Defective intake air
temperature sensor.
• Malfunction in ECU.
9-6
Vehicle symptom
Engine idling speed is
unstable.
Engine response is
poor.
Loss of engine power.
Increased exhaust
emissions.
Engine is difficult to
start.
Increased exhaust
emissions.
Engine idling speed is
unstable.
Fail-safe system
operation
Intake air pressure
difference is fixed to 0
[kPa].
–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 feedback is not
2
carried out.
ISC feedback is not
carried out.
ISC learning is not
carried out.
Cruise control system
cannot be operated.
The intake air temper-
ature is fixed to 20
[C].
O feedback is not
2
carried out.
ISC feedback is not
carried out.
ISC learning is not
carried out.
Cruise control system
cannot be operated.