Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross. Manual — part 422
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) Retainer And Ball Assembly, Check Valve
(505) Seal, O–Ring/Turbine Shaft
(506) Shaft, Turbine
(508) Ring, Oil Seal/Turbine Shaft
(510) Housing, Overrun Clutch
(513) Piston, Overrun Clutch
(514) Spring, Overrun Clutch Release
(515) Retainer, Release Spring/Overrun Clutch
(516) Roller Assembly, Overdrive Clutch
(517) Cam, Overdrive Roller Clutch
(518) Ring, Snap/Overrun Clutch Hub
(519) Gear, Overdrive Sun
(520) Plate, Waved/Overrun Clutch
(521) Plate, Overrun Clutch (Steel)
(522) Plate Assembly, Overrun Clutch (Lined)
(523) Plate, Backing/Overrun Clutch
(524) Ring, Snap/Overrun Clutch Housing
(525) Carrier Assembly, Overdrive Complete
(526) Ring, Snap/Turbine Shaft/Carrier
(527) Bearing Assembly, Thrust
(528) Gear, Overdrive Internal
(529) Washer, Thrust/Internal Gear/Support
(530) Ring, Snap/Adapter/4th Clutch Spring
(531) Retainer and spring assembly, 4th clutch
(532) Piston, 4th Clutch
(533) Seal, 4th Clutch Piston (Inner)
(534) Seal, 4th Clutch Piston (outer)
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) Spring, Piston Clutch
(612) Seat, Spring/Reverse Clutch
(613) Ring, Retaining
(614) Plate, Waved/Reverse Clutch
(615) Plate, Reverse Clutch (Steel)
(616) Plate Assembly, Reverse Clutch (Lined)
(617) Plate, Reverse Clutch Pressure/Selective
(618) Drum Assembly, 2nd Clutch
(620) Seal, 2nd Clutch Piston (Inner)
(621) Seal, 2nd Clutch Piston (Outer)
(622) Piston, 2nd Clutch
(623) Seat, Spring/2nd Clutch
(625) Plate, Waved/2nd Clutch
(626) Plate, 2nd Clutch (Steel)
(627) Plate Assembly, 2nd Clutch (Lined)
(628) Spacer, 2nd Clutch
(629) Ring, Retaining
(630) Gear, Ring
(631) Washer, Thrust/2nd Clutch/3rd Clutch
(632) Thrust Washer, Clutch Hub
(634) Drum Assembly, 3rd Clutch
(635) Seal, 3rd clutch piston (Inner)
(636) Washer, Retaining
(637) Seal, 3rd Clutch Piston (Outer)
(638) Piston 3rd Clutch
(639) Seat, Spring/3rd Clutch
(640) Ring, Retaining
(641) Plate, Spring Cushion/3rd Clutch
(642) Plate, 3rd Clutch (Steel)
(643) Plate Assembly, 3rd Clutch (Lined)
(644) Washer, Thrust/Input Sun
(645) Bearing, Input Shaft/Gear Assembly
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 Shaft/Input Sun
(652) Washer, Output Shaft/Input Sun
(653) Carrier Assembly, Planetary
(658) Gear, Reaction Sun
(659) Drum, Reaction Sun
(664) Band Assembly, Brake
(667) Seal, Ring/Wheel Parking Lock
(668) Wheel, Parking Lock
(672) Wheel, Speed
(673) Ring, Retaining
(675) Bearing, Thrust Assembly
Center Support Assembly
242RY002
Legend
(701) Center Support
(702) Retainer Plate
(703) Plug, Lockout
(704) Spring, Lockout
(705) Valve, Overrun Lockout
(706) Valve, Reverse Lockout Control
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
. . . . . . . . . . . . . . . . . . . . . .
“Check Trans” 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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