Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Mitsubishi Eclipse & Spyder 2000-2006 Approved Mitsubishi Eclipse & Spyder 2003-2005 GR00001600-16
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16-1
GROUP 16
CONTENTS
CHARGING SYSTEM . . . . . . . . . . . . 16-3 DISASSEMBLY AND ASSEMBLY . . . . . 16-29
GENERAL DESCRIPTION . . . . . . . . . . 16-3 INSPECTION . . . . . . . . . . . . . . . . . . . . . 16-32
SPECIAL TOOL . . . . . . . . . . . . . . . 16-4 IGNITION SYSTEM. . . . . . . . . . . . . . . 16-34
CHARGING SYSTEM DIAGNOSIS 16-4 GENERAL DESCRIPTION . . . . . . . 16-34
ON-VEHICLE SERVICE. . . . . . . . . 16-6 SPECIAL TOOLS . . . . . . . . . . . . . . 16-35
GENERATOR OUTPUT LINE VOLTAGE
DROP TEST . . . . . . . . . . . . . . . . . . . . . 16-6 ON-VEHICLE SERVICE . . . . . . . . . 16-36
OUTPUT CURRENT TEST . . . . . . . . . . 16-8 SPARK PLUG CABLE TEST . . . . . . . . . 16-36
REGULATED VOLTAGE TEST . . . . . . . 16-10 IGNITION COIL CHECK . . . . . . . . . . . . 16-36
WAVE PATTERN CHECK USING AN IGNITION COIL CHECK. . . . . . . . . . . . . 16-37
OSCILLOSCOPE. . . . . . . . . . . . . . . . . . 16-11 IGNITION COIL POWER TRANSISTOR
CONTINUITY CHECK . . . . . . . . . . . . . . 16-37
GENERATOR ASSEMBLY . . . . . . 16-14 SPARK PLUG CABLE RESISTANCE
REMOVAL AND INSTALLATION . . . . . 16-14 CHECK . . . . . . . . . . . . . . . . . . . . . . . . . . 16-38
DISASSEMBLY AND ASSEMBLY. . . . . 16-16 SPARK PLUG TEST . . . . . . . . . . . . . . . 16-38
INSPECTION . . . . . . . . . . . . . . . . . . . . . 16-19 SPARK PLUG CHECK AND CLEANING 16-38
SPARK PLUG CHECK AND CLEANING 16-39
STARTING SYSTEM . . . . . . . . . . . . . 16-22 CAMSHAFT POSITION SENSOR
GENERAL DESCRIPTION . . . . . . . . . . 16-22 CHECK . . . . . . . . . . . . . . . . . . . . . . . . . . 16-39
CRANK ANGLE SENSOR CHECK . . . . 16-39
DIAGNOSIS . . . . . . . . . . . . . . . . . . 16-23 CRANK ANGLE SENSOR CHECK . . . . 16-39
IGNITION SECONDARY VOLTAGE
ON-VEHICLE SERVICE. . . . . . . . . 16-24 WAVE PATTERN CHECK USING A
OSCILLOSCOPE . . . . . . . . . . . . . . . . . . 16-40
STARTER RELAY CHECK . . . . . . . . . . 16-24
IGNITION PRIMARY VOLTAGE WAVE PATTERN
CHECK . . . . . . . . . . . . . . . . . . . . . . . . . . 16-48
STARTER MOTOR ASSEMBLY . . 16-25
INSPECTION . . . . . . . . . . . . . . . . . . . . . 16-25 Continued on next page
REMOVAL AND INSTALLATION . . . . . 16-28
16-2
IGNITION COIL . . . . . . . . . . . . . . . 16-52 REMOVAL AND INSTALLATION
<3.0L ENGINE> . . . . . . . . . . . . . . . . . . . 16-56
REMOVAL AND INSTALLATION
<2.4L ENGINE> . . . . . . . . . . . . . . . . . . . 16-52
KNOCK SENSOR . . . . . . . . . . . . . . 16-57
DISTRIBUTOR ASSEMBLY . . . . . 16-53 REMOVAL AND INSTALLATION
REMOVAL AND INSTALLATION <2.4L ENGINE> . . . . . . . . . . . . . . . . . . . 16-57
<3.0L ENGINE> . . . . . . . . . . . . . . . . . . . 16-53 REMOVAL AND INSTALLATION
DISASSEMBLY AND ASSEMBLY. . . . . 16-54 <3.0L ENGINE> . . . . . . . . . . . . . . . . . . . 16-58
CAMSHAFT POSITION SENSOR . 16-54 SPECIFICATIONS . . . . . . . . . . . . . . . 16-59
REMOVAL AND INSTALLATION
<2.4L ENGINE> . . . . . . . . . . . . . . . . . . . 16-54 FASTENER TIGHTENING
SPECIFICATIONS . . . . . . . . . . . . . 16-59
CRANKSHAFT POSITION SENSOR 16-55
REMOVAL AND INSTALLATION GENERAL SPECIFICATIONS . . . . 16-60
<2.4L ENGINE> . . . . . . . . . . . . . . . . . . . 16-55
SERVICE SPECIFICATIONS . . . . . 16-61
ENGINE ELECTRICAL
CHARGING SYSTEM
16-3
.
CHARGING SYSTEM
GENERAL DESCRIPTION
M1161000100094
The charging system charges the battery with the
generator output to keep the battery charged at a
constant level during varying electrical load.
Operation
When the ignition switch is turned on, current flows in
VOLTAGE the field coil and initial excitation of the field coil
occurs.
When the stator coil begins to generate power after
APPROXIMATELY
the engine is started, the field coil is excited by the
14.4 V output current of the stator coil.
The generator output voltage rises as the field cur-
rent increases and it falls as the field current
decreases. When the battery positive voltage (gener-
TIME
AKX00183 AB
ator S terminal voltage) reaches a regulated voltage
of approximately 14.4 V, the field current is cut off.
Rotation of the excited field coil generates AC volt- When the battery positive voltage drops below the
age in the stator. regulated voltage, the voltage regulator regulates the
This alternating current is rectified through diodes to output voltage to a constant level by controlling the
DC voltage having a waveform shown in the illustra- field current.
tion at left. In addition, when the field current is constant, the
The average output voltage fluctuates slightly with generator output voltage rises as the engine speed
the generator load condition. increases.
GENERATOR
B
STATOR
COIL
ECM
PCM
FIELD COIL G
S
L +
IGNITION
FR SWITCH BATTERY
CHARGING
VOLTAGE REGULATOR WARNING
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