JAC J2 - Charging System

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Maintenance Manual for J2 Sedan
Electrical Part of Engine
149
IV
.
Chargin
g
System
1.
System
Description
The generator is used to provide DC voltage to vehicle electric system and keep charged condition of
battery. The voltage output is controlled by IC adjuster.
The “B” port supplies electricity to vehicle electric system and charging power supply to battery. The IC
adjuster checks the input voltage at port 4 (“S” port) and thereby controls output voltage.
After the powered and grounded, the charging alarm light will be lit. When generator provides sufficient
voltage, the grounding circuit will be opened, while the charging alarm light will be turned off. If the
charging alarm light is still on with engine running, it has troubles.
2.
Charging
alarm
light
If the following situations presents with generator working, the warming function of IC adjuster will be
actuated, and the charging alarm light will be turned on.
■
No
voltage
is
produced
or
the
voltage
is
high.
3.
Dismantlement
and
installation
1) Dismantlement
①
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Disconnect
the
negative
pole of battery.
②

Disconnect
harness connectors
of
generator.
③

Loosen the
adjusting supporting nut on
generator. Then
adjust tension
with the
tension adjusting
bolt.
■ Tightening
torque:
generator adjustment
nut:
22.5 ± 2.5
Nm
Generator supporting nut: 47±5 N.m
Fig. 3.2.017
Fig. 3.2.018