JAC J2 User Manual



Maintenance Manual for J2 Sedan
Electronic Control System
of Engine
175
3.
Trouble
Symptom
Check
Table
List of
Troub
le Symptom
Inspection
Symptoms
Check Order
No.
Unable
to
communicate
with
all
the
systems
1
Unable to communicate with
diagnosis apparatus
Unable
to
communicate with ECM
only
2
Engine alarm lamp failed to light up immediately after the
ignition switch is turned to ON.
3
Engine alarm lamp and
correspond
ing
components
Engine
alarm
lamp
keeps
bright
4
No initial ignition (unab
le to start)
5
There is initial ignition but it
burns incompletely (unable to
start)
6
Start
Too
long
starting
duration
(unable
to
start
normally)
7
Unstable
idle
(fluctuant
idle
speed
and
hunting)
8
High
idle
speed
(abnormal
idle
speed)
9
Idle Stability (abnormal idle speed)
Low
idle
speed
(abnormal
idle
speed)
10
The engine stops at the idle when it is cold. (stop with
deceleration)
11
The engine stops at the idle when it is hot. (stop with
deceleration)
12
The
engine
stops at
the
start.
(stop
with
acceleration)
13
Idle Stability (engine stops)
The
engine
stops
with deceleration 14
Vehicle
surge,
drop
or
instability
of
vehicle
speed
15
Shock or vibration
during
acceleration
16
Shock
or
vibration
during
deceleration
17
Poor
accelerat
ion
18
Surge 19
Driving
Knock 20
Fail
to
stop
engine
21
High
concentration of
CO
and
HC
at
the
idle
operation
22
Low
voltage
of
alternator
23
Abnormal
idling
speed
when
starting
the
air conditioner
24
Abnormal
operation
of
fan
25

JAC J2 Specifications

General

Brand	JAC
Model	J2
Category	Automobile
Language	English