JAC J2 - Page 149



Maintenance Manual for J2 Sedan
Electrical Part of Engine
148
4.
Diagnosis flow
chart
of
Common
Troubles
(if
there
is
any
abnormity found, disconnect
negative
pole of batte
ry at once.)
Inspection Flow Chart of Common Troubles of Starting System
Starter fails to stop.

Replace the solenoid switch.

The engine fails to start.

Does engine run with
revolving of crankshaft?

Does the starter run?

Does engine run normally?

Inspect ignition/fuel system.
Y
es

Y
es

No

Inspect following items of
battery: 1. Charging condition
2. Connection of terminal 3.
Erosion of terminal.

No

A

Abnormal

Y
es

Does the gear shaft run?

Check pinion clutch.

Y
es

Repair the
starter
.

Normal

No

Check the reduction gear, armature and the gear shaft.

No

Check the fuse and t
he fusible
wire.
Normal

Inspect following items of
battery: 1. Charging condition
2. Connection of terminal 3.
Erosion of terminal.

Abnormal

replace.

Abnormal

1. Charge
battery
.
2.
Repair
poor
connection
and
eroded terminal of
battery
.

A

Normal

Inspect circuitry of starting
system.

Normal

Does magnet switch make
noises during running?

Y
es

Check the meshing condition
of pinion and gear ring.

Abnormal

1. Adjust the displacement of
pinion. 2. Inspect motion
mechanism of pinion. 3. Check
the gear ring.

Abnormal

Repair.

Repair the
starter
.

No

If wired as follows with no load, does
starter run?
Replace solenoid switch.

Y
es

Repair the
starter
.

No
