Yamaha YZF-R1 Series Service Manual page 545

SELF-DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE
DTC Item
P0916 [P0916] Gear posi-
P0917 tion sensor: open or
ground short circuit
detected.
[P0917] Gear posi-
tion sensor: power
short circuit detected.
P1400 Air induction system
solenoid: open or
short circuit detected.
P1600 Lean angle sensor:
open or short circuit
detected.
P1601 Sidestand switch:
open or short circuit of
the blue/yellow lead of
the ECU is detected.
Probable cause of
malfunction
Improper display for
[P0916] Low voltage
of the gear position position.
sensor circuit (0.2 V Engine response is
or less) poor.
[P0917] High voltage
of the gear position
sensor circuit (4.8 V
or more)
• Defective coupler
between gear posi-
tion sensor and
ECU.
• Open or power short
circuit in wire har-
ness between gear
position sensor and
ECU.
• Improperly installed
gear position sen-
sor.
• Defective gear posi-
tion sensor.
• Malfunction in ECU.
• Open or short cir- Increased exhaust
cuit in wire harness. emissions.
• Disconnected cou-
pler.
• Defective air induc-
tion system sole-
noid.
• Defective air induc-
tion system sole-
noid controller.
(malfunction in
ECU)
• Open or short cir- Engine cannot be
cuit in wire harness. started.
• Malfunction in IMU.
• Malfunction in ECU.
• Defective coupler Engine cannot be
between relay unit started.
and ECU.
• Open or short cir-
cuit in wire harness
between relay unit
and ECU.
• Defective coupler
between sidestand
switch and relay
unit.
• Open or short cir-
cuit in wire harness
between sidestand
switch and relay
unit.
• Defective sidestand
switch.
• Malfunction in ECU.
9-48
Fail-safe system op-
Vehicle symptom
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 val-
ue is fixed.
Electric current in air
induction system so-
lenoid is prohibited
(air induction system
air in).
O
2
carried out.
Engine cannot be
started.
Engine is forcefully
stopped (the injector
output is stopped).
eration
feedback is not