XY Powersports XY500UTV, Руководство по обслуживанию

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13. TROUBLESHOOTING
13-16
yes Eliminate engine
mechanism fault
4 Check compression of cylinder and observe the pressure
if is discrepantly.
no next
yes Diagnosis
help
5 Contact EFI commutator, open ignition switch, check
ECU5#
、
10#
、
13# stitch, the power whether supply
normally or not, check 2#
、
21# stitch whether Put up iron
or not.
no Examine and repair
relevant wiring
（ 3 ）
Hard Starting in normal status
Possible defective part ： 1 、 fuel containing water ； 2 、 fuel pump ； 3 、 engine water temperature sensor ；
4 、 ignition coil
Overhaul:
Ref no Operation Test
result
Next Steps
yes next
1 Contact fuel pressure meter(contact front point of oil
input
pipe of injector), starting engine, check the fuel pressure
whether is around 300kPa or not
no examine and
repair oil support
system
yes
next
2 Pull out ignition coil, and contact with s park plug, keep
pole of spark plug 5mm with body of engine, starting
engine and check it whether has blue-white high pressure
fire or not.
no Examine and
repair ignition
system.
yes Examine and
repair wiring or
replace sensor
no Next
3 Pull out connector of engine water temperature sensor,
starting engine, observe engine whether succeed starting
or not at this moment. (or in series a 300
Ω resistant
instead of engine water temperature sensor, observe
engine whether succeed starting or not at this moment.)
no Next
yes Replace
fuel
4 Check fuel and observe the fault if caused after fueling
no next
yes Diagnosis help
5 Contact EFI commutator, open ignition switch, check
ECU5#
、
10#
、
13# stitch the power whether supply
normally or not, check 2#
、
21# stitch whether Put up iron
or not.
no Examine and
repair relevant
wiring
（
4
）
Hard Starting in cold status
Possible defective part
：
1
、
fuel containing water
；
2
、
fuel pump
；
3
、
engine water temperature sensor
；
4 、 injector ； 5 、 ignition coil ； 6 、 throttle valve body and idle speed side air duct; 7 、 engine mechanism part 。
Overhaul: