CF MOTO CF500-5B 2009, Руководство по обслуживанию, Страница: 270 / 272

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CFMOTO
yes Diagnosis help
6
Contact with EFI commutator, open ignition switch,
check ECU5#
#
10#
#
23# stitch, the power whether
supply normal or not, check 2#
#
21# stitch whether
is puting up iron or not.
no
Examine and repair
relevant wiring
# #
11
$ $
Rotate speed can not increase or engine power off when in acceleration.
Possible defective part
"
1
#
fuel containing water
%
2
#
air intake pressure sensor and throttle
position sensor
%
3
#
spark plug
%
4
#
throttle valve body and idle speed side air duct
%
5
#
input air duct
%
6
#
idle speed valve
%
7
#
fuel injector
%
8
#
ignition timing
%
9
#
muffler
Overhaul:
Ref no
Operation Test result Next Steps
yes
Examine and repair
air input system 1 Check air cleaner if is clogged.
no next
yes next
2
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
3
Check spark plug, look its type and gap if accords
with standard.
no Adjust or replace
yes Clean related parts
4
Disassembly idle speed valve and check the
throttle valve body, idle speed valve and idle
speed side air duct whether have carbide
accumulated or not.
no next
yes next
5
Check air intake pressure sensor
#
throttle
position sensor and their wiring whether works
regularly or not.
no
examine and repair
wiring or replace
sensor
yes Fault replacement
6
Disassembly injector, and check the injector by
special washing analysis instrument if exists the
phenomena of leaks, clogs or flux discrepantly.
no next
Yes Replace fuel
7
Check fuel and observe the fault if caused after
fueling
no next
yes next
8
Check engine ignition timing if accords with
standard.
no
examine and repair
ignition timing
yes next
9
Check the exhaust gas from muffler if exhausts
smoothly
no
Repair or replace
muffler
yes Diagnosis help
10
Contact with EFI commutator, open ignition
switch, check ECU5#
#
10#
#
23# stitch, the power
whether supply normal or not, check 2#
#
21# stitch
whether is puting up iron or not.
no
Examine and repair
relevant wiring