JAC J2 User Manual



Maintenance Manual for J2 Sedan
Electronic Control System
of Engine
195
1# cylinder fuel injector 2#
cylinder
fuel
injecto
r
3# cylinder fuel injector
4. Inspection
Attention
:
■
Please cl
ean the
fuel in
jector
and ana
lyze with
special cl
eaning
and anal
ysis in
strument
for fu
el
inject at certain interval..
1)
Check
the
resistance.
Note: check with wire harness c
onnector d
isconnect
ed.
■
Standard
resistance:
11.4-12.6Ω
2)
Inspect operating
time
of
the
fuel
injector
with
trouble diagnosis
apparatus.
■ Standard operation time:
2.0-3.0ms at
the idle speed
and
more during the acceleration.
3) Check
the
operating sound of fuel injector.
Note: Use a
stethoscop
e to check
the
click
sound
of
the
fuel
injector at
the
idling speed
or
use
the
fingers to check
the vibration
situation
of fuel inject
or.
If vibration can not be felt, check the wire harness connector, fuel injector or the control signal of fuel
injector by ECM.
5.
Dismantlement
and
Installation
Please refer to “Fuel System”.
VIII.
Knock
sensor
To main relay
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JAC J2 Specifications

General

Brand	JAC
Model	J2
Category	Automobile
Language	English