JAC J2 User Manual

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Maintenance Manual for J2 Sedan
Electronic Control System
of Engine
155
Chapter
III
Electronic
Control
System
of
Engine
Section
I
Precautions
I.
Precautions
of
Supplemental
Restraint
System
(SRS)
Using the SRSs including airbag and pretensioner of safety belt together with the front seat safety belt
can contribute to reduction of the risk of injury and hazard severity of driver and front passenger in case
of crash. For information of proper maintenance of the system, please refer to “Airbag” part of this
manual.
Caution:
■
All ma
intenance operat
ion should be carried
out by
JAC authorized franchised stores in
order to avoid increasing risk of personal injury and death
due to the
SRS system failure.
■
Improper
maintenances,
including
incorrect dismantlement
and
installation
of SRS
system,
may cause wrong action of the system resulting in
personal injury and death.
For dismantlement methods bell spring (hair spring) and airbag controller, please refer to the airbag
section.
■
Besides operations
described in this
manual,
no
electrically testing
equipment should be
used
to
test
any circuit of airbag system. The air bag circuit harness can be identified by the yellow or orange
harness or harness connectors.
II.
General
Precautions
1.
Only digital
electric
meter
should be
used
to
inspect the
electronic
control system.
2. JAC genuine components should be
used during maintenance,
otherwise it is impossible to
guarantee the normal operation of system.
3.
Only
unleaded
gasoline
should
be
used
for
maintenance
and
operation.
4. Specified
maintenance
and
diagnosis procedure
should
be
followed to
perform ma
intenance.
5. The
disassembly and
dismantlement
for the
system c
omponents are
prohibited during
maintenance.
6.
During maintenance
process, the
electronic e
lements (electronic
control modules
and sensors)
should be fetched and placed very carefully to avoid the falling down.
7.
Keep strong awareness of
environment
al protection
to effectively deal
with waste of
the
maintenance process.
III.
Precautions
in Maintenance
1.
T
emp
erat
ure
of e
lec
tron
ic
cont
rol
modu
le
shoul
d ne
ver be
high
er t
han
80
duri
ng
℃
hot working
conditions simulation of trouble and other maintenance operations possibly resulting in the
temperature rising.
2.
The
electronic
controlled
injection
system operates
with
high
fuel
pressure (approximately
350kPa).

JAC J2 Specifications

General

Brand	JAC
Model	J2
Category	Automobile
Language	English