Page 298 of 4592
INTRODUCTIONHOW TO USE THIS MANUAL ±
IN±3
CAUTIONS, NOTICES, HINTS:
CAUTIONS are presented in bold type, and indicate there is a possibility of injury to you or other
people.
NOTICES are also presented in bold type, and indicate the possibility of damage to the compo-
nents being repaired.
HINTS are separated from the text but do not appear in bold. They provide additional information
to help you perform the repair efficiently.
SI UNIT
The UNITS given in this manual are primarily expressed according to the SI UNIT (International System
of Unit), and alternately expressed in the metric system and in the English system.
Example:
Torque: 30 N´m (310 kgf´cm, 22 ft´lbf)
Page 300 of 4592

INTRODUCTIONGENERAL REPAIR INSTRUCTIONS ±
IN±5
the specified seal lock adhesive to the bolt, nut or
threads.
(c) Precoated parts are indicated in the component il-
lustrations by the ºº symbol.
7. When necessary, use a sealer on gaskets to prevent
leaks.
8. Carefully observe all specifications for bolt tightening
torques. Always use a torque wrench.
9. Use of special service tools (SST) and special service ma-
terials (SSM) may be required, depending on the nature
of the repair. Be sure to use SST and SSM where speci-
fied and follow the proper work procedure. A list of SST
and SSM can be found at the preparation of AX section.
10. When replacing fuses, be sure the new fuse has the cor-
rect amperage rating. DO NOT exceed the rating or use
one with a lower rating.
11. To pull apart electrical connectors, pull on the connector
itself, not the wires.
12. Care must be taken when jacking up and supporting the
vehicle. Be sure to lift and support the vehicle at the prop-
er locations.
(a) If the vehicle is to be jacked up only at the front or
rear end, be sure to block the wheels at the opposite
end in order to ensure safety.
(b) After the vehicle is jacked up, be sure to support it on
stands. It is extremely dangerous to do any work on
a vehicle raised on a jack alone, even for a small job
that can be finished quickly.
Page 302 of 4592

INTRODUCTIONGLOSSARY OF SAE AND TOYOTA TERMS ±
IN±7
IACIdle Air ControlIdle Speed Control (ISC)
IATIntake Air TemperatureIntake or Inlet Air Temperature
ICMIgnition Control Module±
IFIIndirect Fuel InjectionIndirect Injection
IFSInertia Fuel±Shutoff±
ISCIdle Speed Control±
KSKnock SensorKnock Sensor
MAFMass Air FlowAir Flow Meter
MAPManifold Absolute PressureManifold Pressure
Intake Vacuum
MCMixture Control
Electric Bleed Air Control Valve (EBCV)
Mixture Control Valve (MCV)
Electric Air Control Valve (EACV)
MDPManifold Differential Pressure±
MFIMultiport Fuel InjectionElectronic Fuel Injection (EFI)
MILMalfunction Indicator LampCheck Engine Light
MSTManifold Surface Temperature±
MVZManifold Vacuum Zone±
NVRAMNon±Volatile Random Access Memory±
O2SOxygen SensorOxygen Sensor, O2 Sensor (O2S)
OBDOn±Board DiagnosticOn±Board Diagnostic (OBD)
OCOxidation Catalytic ConverterOxidation Catalyst Converter (OC), CCo
OPOpen LoopOpen Loop
PAIRPulsed Secondary Air InjectionAir Suction (AS)
PCMPowertrain Control Module±
PNPPark/Neutral Position±
PROMProgrammable Read Only Memory±
PSPPower Steering Pressure±
PTOXPeriodic Trap OxidizerDiesel Particulate Filter (DPF)
Diesel Particulate Trap (DPT)
RAMRandom Access MemoryRandom Access Memory (RAM)
RMRelay Module±
ROMRead Only MemoryRead Only Memory (ROM)
RPMEngine SpeedEngine Speed
SCSuperchargerSupercharger
SCBSupercharger Bypass±
SFISequential Multiport Fuel InjectionElectronic Fuel Injection (EFI), Sequential Injection
SPLSmoke Puff Limiter±
SRIService Reminder Indicator±
SRTSystem Readiness Test±
STScan Tool±
TBThrottle BodyThrottle Body
TBIThrottle Body Fuel InjectionSingle Point Injection
Central Fuel Injection (Ci)
TCTurbochargerTurbocharger
TCCTorque Converter ClutchTorque Converter
TCMTransmission Control ModuleTransmission ECU (Electronic Control Unit)
TPThrottle PositionThrottle Position
TRTransmission Range±
Page 305 of 4592
INTRODUCTIONSTANDARD BOLT TORQUE SPECIFICATIONS ±
IN±10
STANDARD BOLT TORQUE SPECIFICATIONS
IN008±02
Page 306 of 4592
INTRODUCTIONSTANDARD BOLT TORQUE SPECIFICATIONS ±
IN±11
Page 307 of 4592
AUTOMATIC TRANSAXLEDESCRIPTION ±
AX±1
DESCRIPTION
GENERAL SPECIFICATIONS
Type of TransaxleA541E
Type of Engine1MZ±FE
Torque Converter Clutch Stall Torque Ratio1.8 : 1
Torque Converter Clutch Lock±up MechanismEquipped
Gear Ratio 1st Gear
2nd Gear
3rd Gear
O/D Gear
Reverse Gear2.810
1.549
1.000
0.735
2.296
Transaxle Number of Discs and Plates
O/D Direct Clutch (C
0)
Forward Clutch (C
1)
Direct Clutch (C
2)
2nd Brake (B
2)
First and Reverse Brake (B
3)
O/D Brake (B
0)
2 / 2
5 / 5
3 / 3
3 / 3
6 / 6
3 / 3
B1 Band Width mm (in.)25 (0.98)
ATF TypeATF D±@@@@@: [g 2] or DEXRON®@@@@@: [g
3](DEXRON®@@@@@: [g 2])
Capacity liter (US qts, Imp.qts) A/T
D/F6.75(7.1, 5.9)
0.85 (0.9, 0.7)
AX0CH±05
Page 310 of 4592
AUTOMATIC TRANSAXLEOPERATION ±
AX±4
Power from the engine transmitted to the input shaft via the torque converter clutch is then transmitted
to the planetary gears by the operation of the clutch.
By operation of the brake and one±way clutch, either the planetary carrier or the planetary sun gear
are immobilized, altering the speed of revolution of the planetary gear unit.
Shift change is carried out by altering the combination of clutch and brake operation.
Each clutch and brake operates by hydraulic pressure; gear position is decided according to the throttle
opening angle and vehicle speed, and shift change automatically occurs.
The conditions of operation for each gear position are shown on the following illustrations:
Page 311 of 4592
AUTOMATIC TRANSAXLEOPERATION ±
AX±5
3. HYDRAULIC CONTROL SYSTEM
The hydraulic control system is composed of the oil pump, the valve body, the solenoid valves, the accu-
mulators, the clutches and brakes as well as the fluid passages which connect all of these components.
Based on the hydraulic pressure created by the oil pump, the hydraulic control system governs the hy-
draulic pressure acting on the torque converter clutch, clutches and brakes in accordance with the ve-
hicle driving conditions.
There are three solenoid valves on the valve body.
The No.1 and No.2 solenoid vales are turned on and off by signals from the ECM to operate the shift
valves and change the gear shift position.
The SL solenoid valve is operated by signals from the ECM to engage or disengage the lock±up clutch
of the torque converter clutch.
The SLN solenoid valve is operated by signals from the ECM to control the engagement speed and
reduce gear shift shock.
AX01A±0B