Mitsubishi 380. Manual — part 365
NOTES
23A-1
GROUP 23A
AUTOMATIC
TRANSMISSION
CONTENTS
GENERAL DESCRIPTION. . . . . . . . .
AUTOMATIC TRANSMISSION
DIAGNOSIS . . . . . . . . . . . . . . . . . . . .
DIAGNOSTIC TROUBLESHOOTING FLOW
INTRODUCTION TO A/T DIAGNOSIS . . . .
A/T DIAGNOSTIC TROUBLESHOOTING
STRATEGY. . . . . . . . . . . . . . . . . . . . . . . . .
DIAGNOSTIC FUNCTION . . . . . . . . . . . . .
HOW TO INITIALIZE A/T LEARNING
VALUE . . . . . . . . . . . . . . . . . . . . . . . . . . . .
FAIL-SAFE/BACKUP FUNCTION. . . . . . . .
ROAD TEST . . . . . . . . . . . . . . . . . . . . . . . .
TORQUE CONVERTER STALL TEST . . . .
HYDRAULIC PRESSURE TESTS . . . . . . .
HYDRAULIC CIRCUIT . . . . . . . . . . . . . . . .
LINE PRESSURE ADJUSTMENT. . . . . . . .
DIAGNOSTIC TROUBLE CODE CHART . .
SYMPTOM CHART . . . . . . . . . . . . . . . . . . .
DIAGNOSTIC TROUBLE CODE
PROCEDURES . . . . . . . . . . . . . . . . . . . . . .
SYMPTOM PROCEDURES . . . . . . . . . . . .
DATA LIST REFERENCE TABLE . . . . . . . .
ACTUATOR TEST REFERENCE TABLE . .
A/T-ECU TERMINAL VOLTAGE REFERENCE
CHART FOR TRANSMISSION OPERATION
A/T-ECU TERMINAL RESISTANCE AND
CONTINUITY INSPECTION CHART . . . . .
INSPECTION PROCEDURE USING AN
OSCILLOSCOPE . . . . . . . . . . . . . . . . . . . .
Continued on next page
WARNINGS REGARDING SERVICING OF SUPPLEMENTAL RESTRAINT SYSTEM (SRS) EQUIPPED VEHICLES
WARNING
•
Improper service or maintenance of any component of the SRS, or any SRS-related component, can lead to
personal injury or death to service personnel (from inadvertent firing of the air bag) or to the driver and
passenger (from rendering the SRS inoperative).
•
Service or maintenance of any SRS component or SRS-related component must be performed only at an
authorized MITSUBISHI dealer.
•
MITSUBISHI dealer personnel must thoroughly review this manual, and especially its GROUP 52B - Supplemental
Restraint System (SRS) before beginning any service or maintenance of any component of the SRS or any
SRS-related component.
NOTE
The SRS includes the following components: SRS air bag control unit, SRS warning light, front impact sensors, air bag module,
clock spring, and interconnecting wiring. Other SRS-related components (that may have to be removed/installed in connection
with SRS service or maintenance) are indicated in the table of contents by an asterisk (*).
AUTOMATIC TRANSMISSION
23A-2
SPECIAL TOOLS. . . . . . . . . . . . . . . .
ON-VEHICLE SERVICE. . . . . . . . . . .
A/T CONTROL COMPONENT LAYOUT . .
ESSENTIAL SERVICE . . . . . . . . . . . . . . . .
TRANSMISSION FLUID CHECK . . . . . . . .
TRANSMISSION FLUID CHANGE . . . . . . .
OIL COOLER FLOW CHECK . . . . . . . . . . .
TRANSMISSION RANGE SWITCH
CHECK . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TRANSMISSION RANGE SWITCH AND
CONTROL CABLE ADJUSTMENT. . . . . . .
AUTOMATIC TRANSMISSION CONTROL
COMPONENT CHECK . . . . . . . . . . . . . . . .
CRANKSHAFT POSITION SENSOR
CHECK . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TRANSMISSION FLUID TEMPERATURE
SENSOR CHECK . . . . . . . . . . . . . . . . . . . .
TRANSMISSION RANGE SWITCH
CHECK . . . . . . . . . . . . . . . . . . . . . . . . . . . .
STOPLIGHT SWITCH CHECK . . . . . . . . . .
A/T CONTROL RELAY CHECK . . . . . . . . .
SOLENOID VALVE CHECK . . . . . . . . . . . .
SELECTOR LEVER OPERATION
CHECK . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TRANSMISSION CONTROL CABLE
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . .
TRANSMISSION CONTROL*. . . . . . .
REMOVAL AND INSTALLATION . . . . . . . .
INSPECTION. . . . . . . . . . . . . . . . . . . . . . . .
DISASSEMBLY AND ASSEMBLY . . . . . . .
INSPECTION. . . . . . . . . . . . . . . . . . . . . . . .
TRANSMISSION ASSEMBLY . . . . . .
REMOVAL AND INSTALLATION . . . . . . . .
TRANSMISSION FLUID COOLER,
HOSE AND PIPE . . . . . . . . . . . . . . . .
REMOVAL AND INSTALLATION . . . . . . . .
SPECIFICATIONS . . . . . . . . . . . . . . .
FASTENER TIGHTENING
SPECIFICATIONS. . . . . . . . . . . . . . . . . . . .
SERVICE SPECIFICATIONS . . . . . . . . . . .
GENERAL DESCRIPTION
AUTOMATIC TRANSMISSION
23A-3
GENERAL DESCRIPTION
M1231000100366
ITEM
SPECIFICATION
Transmission model
F5A5A-4-C5Z
Engine model
6G75-S4-MP
Torque converter
Type
3-element, 1-stage, 2-phase type
Lock-up
Provided
Stall torque ratio
1.71
Transmission type
5 forward speeds, 1 reverse speed, fully automatic
Transmission gear
ratio
1st
3.789
2nd
2.162
3rd
1.421
4th
1.000
5th
0.686
Reverse
3.117
Final reduction ratio (Differential gear ratio) 3.325
Clutch
Multi-disc type 4 sets
Brake
Multi-disc type 2 sets, band type 1 set
Manual control system
P-R-N-D (4 position) + Sport mode (up, down)
Shift pattern control
Electronic control
Hydraulic control during shifting
Electronic control (Each clutch hydraulically independently
controlled)
Torque converter clutch control
Electronic control
Transmission fluid
Specified lubricants
MITSUBISHI ELC4-SP III
Quantity (litres)
8.4
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