Yamaha MT-09 2021 - Page 492

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SELF-DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE
P0351
P0352
P0353
[P0351] Cylinder-#1
ignition coil: open or
short circuit detect-
ed in the primary
lead of the cylinder-
#1 ignition coil.
[P0352] Cylinder-#2
ignition coil: open or
short circuit detect-
ed in the primary
lead of the cylinder-
#2 ignition coil.
[P0353] Cylinder-#3
ignition coil: open or
short circuit detect-
ed in the primary
lead of the cylinder-
#3 ignition coil.
• Defective coupler
between ignition
coil and ECU.
• Open or short cir-
cuit in wire har-
ness between
ignition coil and
ECU.
• Improperly in-
stalled ignition coil.
• Defective ignition
coil.
• Malfunction in
ECU.
Engine stops.
Loss of engine pow-
er.
Engine is difficult to
start.
Engine cannot be
started.
Engine idling speed
is unstable.
Increased exhaust
emissions.
O
2
feedback is not
carried out.
ISC feedback is not
carried out.
ISC learning is not
carried out.
QSS is not carried
out.
Cruise control sys-
tem cannot be oper-
ated. (for
MTN890D)
P0480 Radiator fan motor
relay: open or short
circuit detected.
• Open or short cir-
cuit in wire har-
ness.
• Disconnected cou-
pler.
• Defective radiator
fan motor relay.
• Defective radiator
fan motor relay
controller (Mal-
function in ECU).
Engine is difficult to
start.
Loss of engine pow-
er.
Engine overheats.
Increased exhaust
emissions.
Radiator fan motor
relay is off all the
time.
O
2
feedback is not
carried out.
ISC feedback is not
carried out.
ISC learning is not
carried out.
Cruise control sys-
tem cannot be oper-
ated. (for
MTN890D)
P0458 Purge cut valve so-
lenoid: open circuit
detected.
• Open or short cir-
cuit in wire har-
ness.
• Defective purge
cut valve solenoid.
• Malfunction in
ECU.
Vapor gas cannot
be purged from can-
ister.
Closing side on
purge cut valve so-
lenoid is fixed.
DTC Item
Probable cause of
malfunction
Vehicle symptom
Fail-safe system
operation