JAC J2 User Manual



Maintenance Manual for J2 Sedan
Electronic Control System
of Engine
223
Fault code: P0560 “the voltage signal of system battery is unreasonable”
S/N
Step
Check
result
Subsequent
step
1
Connect the diagnosis device and adapter, and turn the ignition switch
to OFF position.
Next step
Y
es
Next
step
2
Check
if
the
battery
voltage
is
about
12V
by
the
multimeter.
No
Replace the
battery
Yes
Repair or replace
the harness
3
Check if the circuits connecting Pin 8# and 51# of ECU respectively
to Pin 87# of main relay are open or short to ground.
No
Next step
Y
es
Next
step
4
Start the engine, and check if the charging voltage of generator is
always between 9V and 16V within
different rotation speed ranges.
No
Replace the
generator
Y
es
Diagnosi
s
help
5
Check
if
the
grounding
point
of
engine
harness
is
good.
No
Repair or replace
the harness
Fault code: P0562 “the voltage of system battery is too low”
S/N
Step
Check
result
Subsequent
step
1
Connect the diagnosis device and adapter, and turn the ignition switch
to OFF position.
Next step
Y
es
Next
step
2
Check
if
the
battery
voltage
is
about
12V
by
the
multimeter.
No
Replace the
battery
Yes
Repair or replace
the harness
3
Check if the resistances of circuits connecting Pins 8# and 51# of
ECU to Pin 87# of main relay
are too high.
No
Next step
Y
es
Next
step
4
Start the engine, and check if the charging voltage of generator is
always between 9V and 16V within
different rotation speed ranges.
No
Replace the
generator
Y
es
Diagnosi
s
help
5
Check
if
the
grounding
point
of
engine
harness is
good.
No
Repair or replace
the harness
Fault code: P0563 “the voltage of system battery is too
high”
S/N
Step
Check
result
Subsequent
step
1
Connect the diagnosis device and adapter, and turn the ignition switch
to OFF position.
Next step
Y
es
Next
step
2
Check
if
the
battery
voltage
is
about
12V
by
the
multimeter.
No
Replace the
battery
3
Start the engine, and check if the charging voltage of generator is
Y
es
Next
step

JAC J2 Specifications

General

Brand	JAC
Model	J2
Category	Automobile
Language	English