Yamaha MT-09 2021 - Page 486

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SELF-DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE
P0110 Intake air tempera-
ture sensor: signal
stuck
• Improperly in-
stalled intake air
temperature sen-
sor.
• Defective intake
air temperature
sensor.
• Malfunction in
ECU.
Engine is difficult to
start.
Increased exhaust
emissions.
Engine idling speed
is unstable.
The intake air tem-
perature is fixed to
20 [°C].
O
2
sensor heater
driving is not carried
out.
O
2
feedback is not
carried out.
ISC feedback is not
carried out.
ISC learning is not
carried out.
QSS is not carried
out.
Cruise control sys-
tem cannot be oper-
ated. (for
MTN890D)
P0111 Intake air tempera-
ture sensor: signal
out of range
• Defective coupler
between intake air
temperature sen-
sor and ECU.
• Open or short cir-
cuit in wire har-
ness between
intake air tempera-
ture sensor and
ECU.
• Improperly in-
stalled intake air
temperature sen-
sor.
• Defective intake
air temperature
sensor.
• Malfunction in
ECU.
Engine is difficult to
start.
Increased exhaust
emissions.
Engine idling speed
is unstable.
The intake air tem-
perature is fixed to
20 [°C].
O
2
sensor heater
driving is not carried
out.
O
2
feedback is not
carried out.
ISC feedback is not
carried out.
ISC learning is not
carried out.
QSS is not carried
out.
Cruise control sys-
tem cannot be oper-
ated. (for
MTN890D)
DTC Item
Probable cause of
malfunction
Vehicle symptom
Fail-safe system
operation