Mitsubishi Galant. Manual — part 348

CHARGING SYSTEM

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ENGINE ELECTRICAL

16-18

ASSEMBLY SERVICE POINTS

>>A<< REGULATOR ASSEMBLY INSTALLATION
After installing the regulator assembly, insert a wire through the
hole provided on the rear bracket while pressing down on the
brush, and secure the brush.

NOTE: By inserting a wire, the brush will be secured in place,
and the installation of the rotor will be easier.

>>B<< ROTOR ASSEMBLY INSTALLATION
After installing the rotor, remove the wire used to secure the
brush.

INSPECTION

M1161001700022

ROTOR CHECK
1. Check the continuity between the slip rings of the field coil. If

the resistance value is not within the standard value, replace
the rotor.

Standard value: approximately 2

−−−−

5

Ω

Ω

Ω

Ω

AKX00358

WIRE

REAR BRACKET

BRUSH

WIRE

AB

AKX00359

WIRE

AB

AKX00360

CHARGING SYSTEM

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ENGINE ELECTRICAL

16-19

2. Check the continuity between the slip ring and the core. If

there is continuity, replace the rotor.

STATOR CHECK
1. Check the continuity between the coil lead. If there is no

continuity, replace the stator.

2. Check the continuity between the coil and the core. If there

is continuity, replace the stator.

RECTIFIER CHECK
1. A positive rectifier test checks the continuity between the

positive rectifier and the stator coil lead connection terminal
with a tester. If there is continuity at both terminals, the diode
is shorted, so replace the rectifier.

AKX00361

AKX00362

AKX00363

AKX00364

STARTING SYSTEM

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ENGINE ELECTRICAL

16-20

2. A negative rectifier test checks the continuity between the

negative rectifier and the stator coil lead connection terminal
with a tester. If there is continuity in both terminals, the diode
is grounded, so replace the rectifier.

3. A diode trio test checks the continuity of the three diodes by

connecting an ohmmeter to both ends of each diode. If there
is continuity in both directions, or if there is no continuity, the
diode is damaged, so replace the rectifier.

BRUSH CHECK
1. Replace the brush if the brush protrusion length shown in

the illustration is below the minimum limit value.

Minimum limit:2 mm (0.08 inch)

2. The brush can be removed by unsoldering the brush lead

wire.

3. When installing a new brush, push the brush in the brush

holder as shown in the illustration, and solder the lead wire.

STA R TIN G SYSTEM

GENERAL DESCRIPTION

M1162000100064

If the ignition switch is turned to the "START"
position, current flows in the coil provided inside
magnetic switch, attracting the plunger. When the

plunger is attracted, the lever connected to the
plunger is actuated to engage the starter clutch.

AKX00365

AKX00366

AKX00367AB

PROTRU-
SION
LENGTH

AKX00368

SOLDERED

AB

STARTING SYSTEM

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ENGINE ELECTRICAL

16-21

On the other hand, attracting the plunger will turn on
the magnetic switch, allowing the B terminal and M
terminal to conduct. Thus, current flows to engage
the starter motor.

When the ignition switch is returned to the "ON"
position after starting the engine, the starter clutch is
disengaged from the ring gear.
An overrunning clutch is provided between the pinion
and the armature shaft, to prevent damage to the
starter.

OPERATION

•

When the ignition switch is switched to the "ST"
position while the selector lever is at the "P" or
"N" position, the contact (magnetic switch) of the
starter is switched ON and the starter motor is
activated.

DIAGNOSIS

M1162000700066

TROUBLESHOOTING HINTS

The starter motor does not operate at all.

•

Check the starter (coil).

•

Check for poor contact at the battery terminals and
starter.

B

M
S

AKX00196

PULL-IN COIL

HOLDING
COIL

PLUNGER

LEVER

PINION SHAFT

OVERRUNNING
CLUTCH

YOKE

BRUSH

ARMATURE

IGNITION
SWITCH

BATTERY

+

AB

−