Yamaha XSR 900 2022 Service Manual page 463

SELF-DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE
DTC Item
P0117 [P0117] Coolant
P0118 temperature sensor:
short to ground cir-
cuit is detected.
Normal signal is not
received from the
coolant tempera-
ture sensor circuit.
[P0118] Coolant
temperature sensor:
open or short to
power circuit is de-
tected. Normal sig-
nal is not received
from the coolant
temperature sensor
circuit.
Probable cause of
malfunction
[P0117] Low voltage
of the coolant tem-
perature sensor cir-
cuit (0.1 V or less)
[P0118] High volt-
age of the coolant
temperature sensor
circuit (4.9 V or
more)
• Defective coupler
between coolant
temperature sen-
sor and ECU.
• Open or short cir-
cuit in wire har-
ness between
coolant tempera-
ture sensor and
ECU.
• Poor circuit conti-
nuity in wire har-
ness between
coolant tempera-
ture sensor and
ECU.
• Improperly in-
stalled coolant
temperature sen-
sor.
• Defective coolant
temperature sen-
sor.
• Malfunction in
ECU.
9-57
Vehicle symptom
Engine is difficult to
start.
Increased exhaust
emissions.
Engine idling speed
is unstable.
Fail-safe system
operation
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.