Yamaha MT-01 Service Manual page 775

Manuals by Motomatrix / www.motomatrix.co.uk
Fault
Item
code No.
O sensor
24
2
Cylinder-#2 intake air
25 pressure sensor
(open or short circuit)
Cylinder-#2 intake air
26 pressure sensor
(hose system)
Engine temperature
28 sensor
(open or short circuit)
Decompression sole-
29 noid (thermistor)
(open or short circuit)
Lean angle cut-off
30 switch
(latch up detected)
Cylinder-#1 left or
33 right ignition coil
(faulty ignition)
Cylinder-#2 left igni-
34 tion coil
(faulty ignition)
Cylinder-#1 left or
35 right ignition coil
(faulty ignition)
Cylinder-#2 right igni-
36 tion coil
(faulty ignition)
ISC valve (stuck fully
37
open)
Decompression sole-
38
noid
Lean angle cut-off
41 switch
(open or short circuit)
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Symptom
No normal signal is received from
the O sensor.
2
Cylinder-#2 intake air pressure
sensor: open or short circuit de-
tected.
Cylinder-#2 intake air pressure
sensor: hose system malfunction
(clogged or detached hose).
Engine temperature sensor: open
or short circuit detected.
Decompression solenoid (ther-
mistor): open or short circuit de-
tected.
The vehicle has overturned.
Malfunction detected in the prima-
ry wire of the cylinder-#1 left or
right ignition coil.
Malfunction detected in the prima-
ry wire of the cylinder-#2 left igni-
tion coil.
Malfunction detected in the prima-
ry wire of the cylinder-#1 left or
right ignition coil.
Malfunction detected in the prima-
ry wire of the cylinder-#2 right igni-
tion coil.
Engine speed is high when the en-
gine is idling.
Decompression solenoid: open or
short circuit detected.
Lean angle cut-off switch: open or
short circuit detected.
7-29
FUEL INJECTION SYSTEM
Able / un-
able to start
Able
Able
Able
Able
Able
Unable
Able
(depending
on the
number of
faulty cylin-
ders)
Able
(depending
on the
number of
faulty cylin-
ders)
Able
(depending
on the
number of
faulty cylin-
ders)
Able
(depending
on the
number of
faulty cylin-
ders)
Able
Able
Unable
Able / un-
able to
drive
Able
Able
Able
Able
Able
Unable
Able
(depending
on the
number of
faulty cylin-
ders)
Able
(depending
on the
number of
faulty cylin-
ders)
Able
(depending
on the
number of
faulty cylin-
ders)
Able
(depending
on the
number of
faulty cylin-
ders)
Able
Able
Unable