Yamaha MT-09 2021 Service Manual page 496

SELF-DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE
DTC Item
P0915 Gear position sen-
sor: signal out of
range
P0916 [P0916] Gear posi-
P0917 tion sensor: open or
ground short circuit
detected.
[P0917] Gear posi-
tion sensor: power
short circuit detect-
ed.
Probable cause of
malfunction
• Defective coupler
between gear po-
sition sensor and
ECU.
• Open or power
short circuit in wire
harness between
gear position sen-
sor and ECU.
• Improperly in-
stalled gear posi-
tion sensor.
• Defective gear po-
sition sensor.
• Malfunction in
ECU.
[P0916] Low voltage
of the gear position
sensor circuit (0.2 V
or less)
[P0917] High volt-
age of the gear posi-
tion sensor circuit
(4.8 V or more)
• Defective coupler
between gear po-
sition sensor and
ECU.
• Open or power
short circuit in wire
harness between
gear position sen-
sor and ECU.
• Improperly in-
stalled gear posi-
tion sensor.
• Defective gear po-
sition sensor.
• Malfunction in
ECU.
9-66
Vehicle symptom
Improper display for
position.
Engine response is
poor.
Improper display for
position.
Engine response is
poor.
Fail-safe system
operation
Maintains the gear
position value at the
previous value.
QSS is not carried
out.
Engine brake man-
agement: control
mode is fixed.
Engine brake man-
agement: control
value is fixed.
Cruise control sys-
tem cannot be oper-
ated. (for
MTN890D)
Maintains the gear
position value at the
previous value.
QSS is not carried
out.
Engine brake man-
agement: control
mode is fixed.
Engine brake man-
agement: control
value is fixed.
Cruise control sys-
tem cannot be oper-
ated. (for
MTN890D)