Yamaha XSR 900 2022 Service Manual page 461

SELF-DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE
DTC Item
P0112 [P0112] Intake air
P0113 temperature sensor:
short to ground cir-
cuit is detected.
Normal signal is not
received from the in-
take air temperature
sensor circuit.
[P0113] Intake air
temperature sensor:
open or short to
power circuit is de-
tected. Normal sig-
nal is not received
from the intake air
temperature sensor
circuit.
P0115 Coolant tempera-
ture sensor: signal
stuck. Normal signal
is not received from
the coolant tem-
perature sensor cir-
cuit.
Probable cause of
malfunction
[P0112] Low voltage
of the intake air tem-
perature sensor cir-
cuit (0.1 V or less)
[P0113] High volt-
age of the intake air
temperature sensor
circuit (4.8 V or
more)
• 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.
• Poor circuit conti-
nuity 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.
• Defective coolant
temperature sen-
sor.
• Malfunction in
ECU.
9-55
Vehicle symptom
Engine is difficult to
start.
Increased exhaust
emissions.
Engine idling speed
is unstable.
Engine is difficult to
start.
Increased exhaust
emissions.
Engine idling speed
is unstable.
Fail-safe system
operation
The intake air tem-
perature is fixed to
20 [°C].
O sensor heater
2
driving is not carried
out.
O feedback is not
2
carried out.
ISC feedback is not
carried out.
ISC learning is not
carried out.
Quick shift system is
not carried out.
Cruise control fixed
to OFF.
Radiator fan motor
relay is ON only
when the vehicle is
traveling at low
speeds.
O feedback is not
2
carried out.
ISC feedback is not
carried out.
ISC learning is not
carried out.
The coolant tem-
perature is fixed to
60 [°C].
Quick shift system is
not carried out.
Cruise control fixed
to OFF.