Yamaha MBK X-MAX 300 2017, Руководство по обслуживанию

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FUEL INJECTION SYSTEM
8-52
Fault code No. P0201
5 Defective O
2
sensor. Check the O
2
sensor.
Defective
→
Replace the O
2
sensor.
Refer to “CYLINDER HEAD” on
page 5-13.
Turn the main switch to “ON”,
and then check the condition of
the fault code using the mal-
function mode of the Yamaha di-
agnostic tool.
Condition is “Recover”
→
Go to
item 7 and finish the service.
Condition is “Malfunction”
→
Go
to item 6.
6 Malfunction in ECU. Replace the ECU.
Refer to “REPLACING THE
ECU (Engine Control Unit)” on
page 8-128.
7 Delete the fault code and check
that the engine trouble warning
light goes off. Confirm that the fault code has
a condition of “Recover” using
the Yamaha diagnostic tool, and
then delete the fault code.
Fault code No. P0132
Item
O
2
sensor: power short circuit detected (no normal signals are re-
ceived from the O
2
sensor).
Fault code No. P0201
Item
Fuel injector: no normal signals are received from the fuel injector
circuit.
Fail-safe system
Unable to start engine
Unable to drive vehicle
Diagnostic code No. 36
Actuation
Actuates fuel injector five times at one-second intervals.
The “check” indicator on the Yamaha diagnostic tool screen comes on
each time the fuel injector is actuated.
Procedure
Disconnect the fuel pump coupler. Check that fuel injector is actuated
five times by listening for the operating sound.
Item
Probable cause of malfunc-
tion and check
Maintenance job
Confirmation of service com-
pletion
1 Connection of fuel injector cou-
pler.
Check the locking condition of
the coupler.
Disconnect the coupler and
check the pins (bent or broken
terminals and locking condition
of the pins). Improperly connected
→
Con-
nect the coupler securely or re-
place the wire harness.
Execute the diagnostic mode.
(Code No. 36)
Operating sound
→
Go to item
6.
No operating sound
→
Go to
item 2.
2 Defective fuel injector. Measure the fuel injector resis-
tance.
Refer to “CHECKING THE
FUEL INJECTOR” on page
8-137.
Replace if out of specification. Execute the diagnostic mode.
(Code No. 36)
Operating sound
→
Go to item
6.
No operating sound
→
Go to
item 3.