Yamaha MBK X-MAX 300 2017, Руководство по обслуживанию

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FUEL INJECTION SYSTEM
8-54
Fault code No. P0351
2 Connection of ECU coupler.
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.
Crank the engine, and then
check the condition of the fault
code using the malfunction
mode of the Yamaha diagnostic
tool.
Condition is “Recover”
→
Go to
item 7 and finish the service.
Condition is “Malfunction”
→
Go
to item 3.
3 Wire harness continuity. Open or short circuit
→
Replace
the wire harness.
Between crankshaft position
sensor coupler and ECU cou-
pler.
white/red–white/red
black/blue–black/blue
Crank the engine, and then
check the condition of the fault
code using the malfunction
mode of the Yamaha diagnostic
tool.
Condition is “Recover”
→
Go to
item 7 and finish the service.
Condition is “Malfunction”
→
Go
to item 4.
4 Installed condition of crankshaft
position sensor.
Check for looseness or pinch-
ing. Improperly installed sensor
→
Reinstall or replace the sensor.
Refer to “GENERATOR AND
STARTER CLUTCH” on page
5-46.
Crank the engine, and then
check the condition of the fault
code using the malfunction
mode of the Yamaha diagnostic
tool.
Condition is “Recover”
→
Go to
item 7 and finish the service.
Condition is “Malfunction”
→
Go
to item 5.
5 Defective crankshaft position
sensor. Check the crankshaft position
sensor.
Refer to “CHECKING THE
CRANKSHAFT POSITION
SENSOR” on page 8-134.
Replace if defective. Crank the engine, and then
check the condition of the fault
code using the malfunction
mode of the Yamaha diagnostic
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. Service is finished.
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. P0335
Item
Crankshaft position sensor: no normal signals are received from the
crankshaft position sensor.
Fault code No. P0351
Item Ignition coil: no normal signals are received from the ignition circuit.
Fail-safe system
Unable to start engine
Unable to drive vehicle
Diagnostic code No. 30