CF MOTO CF400-A 2017, Service Manual

Page: 87 / 443

3 EFI System
3-15
3
EFI trouble shooting
Diagnose sheet
：
Rider name
：
Registratio n No. (license plate No.)
：
Year of initial registration
：
Model
：
En gine No
：
VIN
：
Date problem occu rred
：
Mileage
：
Environment when problem occurred
Weather
□
fi ne,
□
cloudy,
□
rain,
□
snow,
□
always,
□
other:
Temperature
□
hot,
□
warm ,
□
cold,
□
very cold
, □
always
Problem
□
chroni c,
□
often,
□
once
Road
□
street,
□
highway,
□
mountain road (
□
uphill,
□
downhil l),
□
bumpy,
Altitude
□
normal,
□
high (about 1 000 m or more)
Motorcycle conditions when problem occurred.
EFI
indicator
li ght (LED)
□
light up immediately after ignition switch ON, and goes off after 1 ~2
q
seconds (norm al)
□
lights blinks immediately after ignition s witch ON, and stays on (EFI
□
lights up imm ediately after ignition switch ON, but goes off after about
□
unli ghts (light (LED), ECU or its wiring fault)
□
sometimes li ghts up (probably w iring fault)
Hard to
start
q
Start m otor not running
q
Start m otor running but the engine not running
q
Start m otor and the engine not running
q
N o fuel(No fuel in tank
，
Fuel pump not running)
q
Oil blow out(Do not run the engine when throttle open, or the oil will blow out
more)
q
No spark
q
Others
Engine stop
suddenly
q
After start
q
When twist the throttle on
q
When loose the throttle
q
When vehicle on running
q
When stop the vehicl e
q
When in economic speed.
q
Others
Abnormal
running
in
low speed
□
very low idle speed,
□
very high idle speed,
□
rough idle speed
□
battery voltage is low (charge the battery)
□
spark plug loose (tighten it)
□
spark plug di rty, broken, or gap m aladj usted (remedy it)
□
backfiring
□
afterfiring
□
hesitation when accel eration
□
engine oi l viscosity too high
□
brak e dragging