Yamaha MTN1000 2016, Service Manual

Page: 640 / 658

SELF-DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE
9-13
P1400 Air induction system
solenoid (open or
short circuit detected)
•
Open or short cir-
cuit in wire harness.
•
Disconnected cou-
pler.
•
Defective air induc-
tion system sole-
noid.
•
Defective air induc-
tion system sole-
noid controller.
(malfunction in
ECU)
Increased exhaust
emissions.
Electric current in air
induction system
solenoid is prohibited
(air induction system
air in).
O
2
feedback is not
carried out.
Cruise control system
cannot be operated.
P1601 Sidestand switch
(open or short circuit
of the blue/yellow lead
of the ECU is
detected)
•
Defective coupler
between relay unit
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.
Engine cannot be
started.
Engine is forcefully
stopped (the injector
output is stopped).
P1602 Malfunction in ECU
internal circuit (mal-
function of ECU
power cut-off function)
•
Open or short cir-
cuit in wire harness
between ECU and
battery.
•
Open or short cir-
cuit in wire harness
between ECU and
main switch.
•
Blown backup fuse.
•
Malfunction in ECU.
Engine idling speed is
unstable.
Engine idling speed is
high.
Increased exhaust
emissions.
Engine is difficult to
start.
O
2
feedback learning
is not carried out.
O
2
feedback learning
value is not written.
Cruise control system
cannot be operated.
P1604
P1605
[P1604] Lean angle
sensor (ground short
circuit detected)
[P1605] Lean angle
sensor (open or
power short circuit
detected)
[P1604] Low voltage
of the lean angle sen-
sor circuit (0.2 V or
less)
[P1605] High voltage
of the lean angle sen-
sor circuit (4.8 V or
more)
•
Open or short cir-
cuit in wire harness
between lean angle
sensor and ECU.
•
Defective lean angle
sensor.
•
Malfunction in ECU.
Engine cannot be
started.
Engine cannot be
started.
Fault
code No.
Item
Probable cause of
malfunction
Vehicle symptom
Fail-safe system
operation