2002 ISUZU AXIOM Service Repair Manual

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Page 1681 of 2100

ISUZU AXIOM 2002 Service Repair Manual 7A±97 AUTOMATIC TRANSMISSION (4L30±E)
(38) Seal, O±Ring
(39) Reservoir
(42) Gasket, Extension Case
(43) Extension Assembly
(44) Seal, O±Ring/Speed Sensor
(45) Sensor Assembly, Speed
(46) Screw, Sp

Page 1682 of 2100

ISUZU AXIOM 2002 Service Repair Manual 7A±98
AUTOMATIC TRANSMISSION (4L30±E)
Pump Assembly
241RY003
Legend
(201) Gear, Oil Pump Drive
(202) Gear, Oil Pump Driven
(203) Pin, Plug Converter Clutch Control
(204) Plug, Converter Clutch Cont

Page 1683 of 2100

ISUZU AXIOM 2002 Service Repair Manual 7A±99 AUTOMATIC TRANSMISSION (4L30±E)
Valve Body Assemblies
244RS009
Legend
(301) Body, Valve Main Case
(302) Pin, Spring
(303) Solenoid Assembly, ON/OFF N.C.
(304) Valve, 1±2 and 3±4 Shift
(305

Page 1684 of 2100

ISUZU AXIOM 2002 Service Repair Manual 7A±100
AUTOMATIC TRANSMISSION (4L30±E)
243RY002
Legend
(401) Body, Valve/Adapter Case
(402) Screw, Solenoid Force Motor
(403) Retainer, Force Motor
(404) Solenoid, Force Motor
(405) Plug, 3±4 Accum

Page 1685 of 2100

ISUZU AXIOM 2002 Service Repair Manual 7A±101 AUTOMATIC TRANSMISSION (4L30±E)
Overdrive Internal Components
252RW003
Legend
(501) Retainer, 4th Clutch
(502) Plate, 4th Clutch (Steel)
(503) Plate Assembly, 4th Clutch (Lined)
(504) Retaine

Page 1686 of 2100

ISUZU AXIOM 2002 Service Repair Manual 7A±102
AUTOMATIC TRANSMISSION (4L30±E)
Internal Components
247RW002
Legend
(608) Seal, Reverse Clutch Piston (Inner)
(609) Seal, Reverse Clutch Piston (Outer)
(610) Piston, Reverse Clutch
(611) Spri

Page 1687 of 2100

ISUZU AXIOM 2002 Service Repair Manual 7A±103 AUTOMATIC TRANSMISSION (4L30±E)
(646) Gear Assembly, Input Sun
(647) Race Assembly, Sprag
(648) Ring, Retaining/Sprag
(649) Ring, Retaining
(650) Cage Assembly, Sprag
(651) Bearing, Output Sh

Page 1688 of 2100

ISUZU AXIOM 2002 Service Repair Manual TRANSMISSION CONTROL SYSTEM (4L30±E)7A1±1
AXIOM
TRANSMISSION
TRANSMISSION CONTROL SYSTEM (4L30±E)
CONTENTS
Service Precaution 7A1±2. . . . . . . . . . . . . . . . . . . . . .
General Description

TRANSMISSION CONTROL SYSTEM (4L30±E)7A1±1
AXIOM
TRANSMISSION
TRANSMISSION CONTROL SYSTEM (4L30±E)
CONTENTS
Service Precaution 7A1±2. . . . . . . . . . . . . . . . . . . . . .
General Description 7A1±2. . . . . . . . . . . . . . . . . . . . .
Electronic Control Diagram 7A1±3. . . . . . . . . . . . .
Powertrain Control Module (PCM) 7A1±4. . . . . . .
Control System Diagram 7A1±5. . . . . . . . . . . . . . .
Shift Control 7A1±6. . . . . . . . . . . . . . . . . . . . . . . . . .
Band Apply Control 7A1±6. . . . . . . . . . . . . . . . . . . .
Torque Converter Clutch Control
(Electronically Controlled Capacity
Clutch = ECCC) 7A1±6. . . . . . . . . . . . . . . . . . . . . .
Line Pressure Control 7A1±6. . . . . . . . . . . . . . . . . .
On±Board Diagnostic System 7A1±6. . . . . . . . . . .
Fail Safe Mechanism 7A1±6. . . . . . . . . . . . . . . . . . .
Torque Management Control 7A1±6. . . . . . . . . . . .
ATF Warning Control 7A1±6. . . . . . . . . . . . . . . . . . .
Reverse Lock Out Control 7A1±6. . . . . . . . . . . . . .
Downhill Control 7A1±6. . . . . . . . . . . . . . . . . . . . . . .
Uphill Control 7A1±6. . . . . . . . . . . . . . . . . . . . . . . . .
Shift Mode Control 7A1±7. . . . . . . . . . . . . . . . . . . . .
Gear Shift Control 7A1±8. . . . . . . . . . . . . . . . . . . . .
Winter Drive Mode 7A1±9. . . . . . . . . . . . . . . . . . . . .
Backup Mode 7A1±9. . . . . . . . . . . . . . . . . . . . . . . . .
Functions of Input / Output Components 7A1±10. .
Diagnosis 7A1±11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electronic Diagnosis 7A1±11. . . . . . . . . . . . . . . . . . .
Check Trans Indicator 7A1±11. . . . . . . . . . . . . . . . . .
Diagnostic Check 7A1±11. . . . . . . . . . . . . . . . . . . . . .
ªCheck Transº Check 7A1±12. . . . . . . . . . . . . . . . . .
Tech 2 OBD II Connection 7A1±13. . . . . . . . . . . . . .
Transmission Data 7A1±18. . . . . . . . . . . . . . . . . . . . .
OBD II Diagnostic Management System 7A1±19. .
16 ± Terminal Data Link Connector (DLC) 7A1±20.
Malfunction Indicator Lamp (MIL) 7A1±21. . . . . . . .
DTC Types 7A1±21. . . . . . . . . . . . . . . . . . . . . . . . . . .
Clear DTC 7A1±22. . . . . . . . . . . . . . . . . . . . . . . . . . . .
DTC Check 7A1±22. . . . . . . . . . . . . . . . . . . . . . . . . . .
PCM Precaution 7A1±22. . . . . . . . . . . . . . . . . . . . . . .
Information On PCM 7A1±22. . . . . . . . . . . . . . . . . . .
Intermittent Conditions 7A1±23. . . . . . . . . . . . . . . . .
Transmission And PCM Identification 7A1±23. . . . .
Diagnostic Trouble Code (DTC)
Identification 7A1±24. . . . . . . . . . . . . . . . . . . . . . . . .
DTC P0218 Transmission Fluid Over
Temperature 7A1±25. . . . . . . . . . . . . . . . . . . . . . . . . . . DTC P0705 Transmission Range Switch
(Mode Switch) Illegal Position 7A1±27. . . . . . . . . . . .
DTC P0706 Transmission Range Switch
(Mode Switch) Performance 7A1±30. . . . . . . . . . . . . .
DTC P0711 Transmission Fluid Temperature
(TFT) Sensor Performance 7A1±33. . . . . . . . . . . . . .
DTC P0712 Transmission Fluid Temperature
(TFT) Sensor Circuit Low Input 7A1±36. . . . . . . . . . .
DTC P0713 Transmission Fluid Temperature
(TFT) Sensor Circuit High Input 7A1±39. . . . . . . . . . .
DTC P0719 Brake Switch Circuit Low
(Stuck On) 7A1±42. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DTC P0722 Automatic Transmission Output
Speed Sensor (OSS) Low Input 7A1±45. . . . . . . . . .
DTC P0723 Automatic Transmission Output
Speed Sensor (OSS) Intermittent 7A1±48. . . . . . . . .
DTC P0724 Brake Switch Circuit High
(Stuck Off) 7A1±51. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DTC P0730 Gear Error Without Input Speed 7A1±53
DTC P0742 Torque Converter Clutch (TCC)
System Stuck On 7A1±56. . . . . . . . . . . . . . . . . . . . . . .
DTC P0748 Pressure Control Solenoid (PCS)
(Force Motor) Circuit Electrical 7A1±58. . . . . . . . . . .
DTC P0751 Shift Solenoid A Performance
(Stuck Off) 7A1±60. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DTC P0752 Shift Solenoid A Performance
(Stuck On) 7A1±62. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DTC P0753 Shift Solenoid A Electrical 7A1±64. . . . .
DTC P0756 Shift Solenoid B Performance
(Stuck Off) 7A1±67. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DTC P0757 Shift Solenoid B Performance
(Stuck On) 7A1±69. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DTC P0758 Shift Solenoid B Electrical 7A1±71. . . . .
DTC P1850 Brake Band Apply Solenoid
Malfunction 7A1±75. . . . . . . . . . . . . . . . . . . . . . . . . . . .
DTC P1860 TCC PWM Solenoid Electrical 7A1±79.
DTC P1870 Transmission Component Slipping
(TCC Stuck Off) 7A1±82. . . . . . . . . . . . . . . . . . . . . . . .
Circuit Diagram 7A1±84. . . . . . . . . . . . . . . . . . . . . . . . .
Parts Location 7A1±86. . . . . . . . . . . . . . . . . . . . . . . . . .
Harness Connector Faces 7A1±87. . . . . . . . . . . . . . . .
Transmission Fluid Temperature (TFT) Sensor
Specifications 7A1±89. . . . . . . . . . . . . . . . . . . . . . . . . .

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