1995 TOYOTA SUPRA relay

1. REMOVE AIR INLET SERVOMOTOR
(a) Disconnect the connector.
(b) Disconnect the control link.
(c) Remove the 3 screws and the air inlet servomotor.
2. REMOVE BLOWER MOTOR CONTROL RELAY
(a) Disconnect the connector.
(b) Remove the 3 screws and the blower motor control relay.
3. REMOVE BLOWER MOTOR
(a) Disconnect the connector.
(b) Using a torx driver, remove the blower motor.
4. REMOVE EVAPORATOR
(a) Remove the A/C unit wire harness.
(b) Remove the foot air duct.
(c) Remove the A/C unit block joint.
(d) Remove the 6 screws and down and the lower cover.
(e) Remove the 4 screws and the evaporator cover.
(f) Pull out the evaporator.
(g) Pull out the evaporator sensor from the evaporator.
(h) Using a hexagon wrench, remove the 2 bolts and separate
the evaporator and expansion valve.
Torque: 5.4 NVm (55 kgfVcm, 48 in.Vlbf)
INSTALLATION HINT: If the evaporator was replaced, add
compressor oil to the compressor.
Add 40 cc (1.4 fl.oz)
Compressor oil
ND±OIL 8 or equivalent
± AIR CONDITIONING SYSTEMAIR CONDITIONING UNITAC±83

BLOWER MOTOR CONTROL RELAY
BLOWER MOTOR CONTROL RELAY
REMOVAL
1. REMOVE BLOWER MOTOR
(See page AC±82)
2. REMOVE BLOWER MOTOR CONTROL RELAY
(a) Disconnect the connector.
(b) Remove the 3 screws and the blower motor control relay.
BLOWER MOTOR CONTROL RELAY
INSPECTION
(See page AC±61)
BLOWER MOTOR CONTROL RELAY
INSTALLATION
Installation is in the reverse order of removal. AC±100
± AIR CONDITIONING SYSTEMBLOWER MOTOR CONTROL RELAY

ELECTRIC COOLING FAN
ON±VEHICLE INSPECTION
Condenser Fan:
1. INSPECT CONDENCER
(a) Disconnect the fan connector.
(b) Connect battery and ammeter to the cooling fan connector.
(c) Check that the condenser fan rotates smoothly, and check
the reading on the ammeter.
Standard amperage:
6.0±7.4 A
(d) Reconect the fan connector.
2. CONNECT NEGATIVE (±) TERMINAL CABLE TO
BATTERY
Radiator Fan:
(See page EG±353)
COOLING FAN RELAYS INSPECTION
(See page EG±356)
ECT SWITCH
(in ENGINE RADIATOR)
(See page EG±356)
± AIR CONDITIONING SYSTEMELECTRIC COOLING FANAC±107

RELAY
HEATER MAIN RELAY
HEATER MAIN RELAY REMOVAL
1. REMOVE JUNCTION BLOCK NO. 2 COVER
Remove the 2 clips and the junction block No. 2 cover.
2. REMOVE HEATER MAIN RELAY
HEATER MAIN RELAY INSPECTION
(See page AC±59)
HEATER MAIN RELAY INSTALLATION
Installation is in the reverse order of removal.
MAGNETIC CLUTCH RELAY
MAGNETIC CLUTCH RELAY REMOVAL
1. REMOVE JUNCTION BLOCK NO. 2 COVER
Remove the 2 clips and the junction block No. 2 cover.
2. REMOVE MAGNETIC CLUTCH RELAY
MAGNETIC CLUTCH RELAY
INSPECTION
(See page AC±65)
MAGNETIC CLUTCH RELAY
INSTALLATION
Installation is in the reverse order of removal. AC±108
± AIR CONDITIONING SYSTEMRELAY

INTRODUCTIONGLOSSARY OF SAE AND TOYOTA TERMS -
IN-8
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-V olatile 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-

A340E (2JZ-GTE) AUTOMATIC TRANSMISSIONSERVICE SPECIFICATIONS - A340E (2JZ-GTE) AUTOMATIC TRANSMISSIONSERVICE SPECIFICATIONS -
AT-24
First and Reverse Brake
Pack clearance0.70 - 1.00 mm 0.0276 - 0.0394 in.
Piston returm spring free length12.9 mm 0.508 in.
Flange thickness No. 68
No. 67
No. 50
No. 51
No. 52
No. 53
No. 54
No. 555.4 mm 0.213 in.
5.2 mm 0.205 in.
5.0 mm 0.197 in.
4.8 mm 0.189 in.
4.6 mm 0.181 in.
4.4 mm 0.173 in.
4.2 mm 0.165 in.
4.0 mm 0.157 in.
Transmission Case
Transmission case bushing inside diameterMaximum38.18 mm 1.5031 in.
Output Shaft
Output shaft thrust play1.63 - 2.89 mm 0.0642 - 0.1138 in.
Valve Body Spring
SpringFree length / Outer diameter
mm (in.)Total No. of coils & (Color)
Upper valve body
Lock - up relay valve23.42 (0.9220) / 5.86 (0.2307)12.25 (Red)
Secondary regulator valve32.79 (1.2909) / 9.40 (0.3700)12.75 (Blue)
C1Orifice control valve37.13 (1.4618) / 11.14 (0.4316)11.25 (White)
C1Orifice control valve21.50 (0.8465) / 7.76 (0.3055)11.50 (None)
C1Accumulator75.26 (2.9623) / 15.02 (0.5193)17.06 (Pink)
2-3 Shift valve30.77 (1.2114) / 9.70 (0.3819)10.50 (Purple)
3-4 Shift valve30.77 (1.2114) / 9.70 (0.3819)10.50 (Purple)
Reverse control valve25.58 (1.0070) / 8.64 (0.3402)8.75 (None)
Lower valve body
Primary regulator valve45.62 (1.7961) / 16.88 (0.6446)9.5 (Blue)
Lock-up control valve18.52 (0.7291) / 5.30 (0.209)12.75 (White)
Cut back valve18.80 (0.740) / 7.48 (0.2995)7.50 (None)
Solenoid relay valve18.80 (0.740) / 7.48 (0.2995)7.50 (None)
Solenoid modulator valve32.13 (1.2650) / 8.00 (0.3150)15.75 (Yellow)
Cut off valve20.30 (0.799) / 6.10 (0.240)12.75 (None)
Accumulator control valve31.17 (1.2272) / 8.85 (0.3484)12.50 (White)
1-2 Shift valve30.77 (1.2114) / 9.70 (0.382)10.50 (Purple)
Coast modulator valve21.83 (0.8594) / 8.19 (0.3150)10.5 (Green)
Coast modulator valve26.11 (1.027) / 8.19 (0.3224)
26.60 (1.043) / 8.19 (0.3224)
27.11 (1.067) / 8.19 (0.3224)12.0 (Blue)
12.0(Light Blue)
12.0 (White)

A340E (2JZ-GTE) AUTOMATIC TRANSMISSIONSERVICE SPECIFICATIONS -
AT-25
Valve Body key
KeyHight
mm (in.)Width
mm (in.)Thickness
mm (in.)
Upper valve body
Check valve10.0 (0.394)5.0 (0.197)3.2 (0.126)
Check valve19.0 (0.748)5.0 (0.197)3.2 (0.126)
Reverse control valve16.0 (0.630)5.0 (0.197)3.2 (0.126)
2-3 Shift valve12.5 (0.492)5.0 (0.197)3.2 (0.126)
C1 Accumularor37.5 (1.476)5.0 (0.197)3.2 (0.126)
C1 Orifice control valve12.5 (0.492)5.0 (0.197)3.2 (0.126)
Secondary regulator valve10.0 (0.394)5.0 (0.197)3.2 (0.126)
3-4 Shift valve11.5 (0.453)5.0 (0.197)3.2 (0.126)
Lock-up relay valve21.2 (0.835)5.0 (0.197)3.2 (0.126)
Lower valve body
1-2 Shift valve14.0 (0.551)5.0 (0.197)3.2 (0.126)
Coast modulator valve14.0 (0.551)5.0 (0.197)3.2 (0.126)
Coast modulator valve14.0 (0.551)5.0 (0.197)3.2 (0.126)
Primary regulator valve13.0 (0.521)5.0 (0.197)3.2 (0.126)
Lock-up control valve14.5 (0.570)5.0 (0.197)3.2 (0.126)
Cut back valve8.5 (0.335)5.0 (0.197)3.2 (0.126)
Solenoid relay valve12.5 (0.492)5.0 (0.197)3.2 (0.126)
Solenoid modulator valve14.5 (0.570)5.0 (0.197)3.2 (0.126)
Cut off valve19.0 (0.748)5.0 (0.197)3.2 (0.126)
Accumulator control valve29.0 (1.142)5.0 (0.197)3.2 (0.126)
Accumulator Spring
SpringFree length / Outer diameter
mm (in.)Color
B275.25 (2.9626) / 19.97 (0.7862)White & Red
C2(Inner)40.0 (1.575) / 14.11 (0.5556)White & Dark blue
C2(Outer)77.51 (3.0516) / 20.1 (0.791)Light Blue
B066.97 (2.6366) / 16.24 (0.6394)White & Blue
C0(Outer)63.35 (2.5728) / 20.59 (0.8106)White & Orange
C0(Inner)38.42 (1.5126) / 14.03 (0.5524)White

A340E(Others) AUTOMATIC TRANSMISSIONSERVICE SPECIFICATIONS - A340E(Others) AUTOMATIC TRANSMISSIONSERVICE SPECIFICATIONS -
AT-29
First and Reverse Brake
Pack clearance0.60 - 1.12 mm 0.0236 -0.0441 in.
Flange thickness No.50
No.51
No.52
No.53
No.54
No.555.0 mm 0.197 in.
4.8 mm 0.189 in.
4.6 mm 0.181 in.
4.4 mm 0.173 in.
4.2 mm 0.165 in.
4.0 mm 0.157 in.
Rear Planetary Gear
Planetary pinion gear thrust clearance Standard
Maximum0.20 - 0.60 mm 0.0079 - 0.0236 in.
1.00 mm 0.0394 in.
Valve Body Spring
SpringFree length and Coil outer
diameter mm (in.)Total No. of coils and Color
Upper valve body
Secondary regulator valve30.9 (1.217) 11.2 (0.441)10.5 Blue
Lock-up relay valve21.4 (0.843) 5.5 (0.217)17.5 Light Gray
3 - 4 shift valve30.8 (1.213) 9.7 (0.382)10.5 Purple
Down shift plug27.3 (1.075) 8.7 (0.343)12.5 Yellow
Throttle valve20.6 (0.811) 9.2 (0.362)
or 23.3 (0.917) 9.2 (0.362)9.5 Blue
9.5 White
SUPRA, PREVIA
Second coast modulator valve24.6 (0.967) 8.3 (0.327)9.0 Orange
OTHERS
Second coast modulator valve25.3 (0.996) 8.6 (0.339)9.5 Orange
Cut-back valve21.8 (0.858) 6.0 (0.236)13.5 Red
2 - 3 shift valve30.8 (1.213) 9.7 (0.382)10.5 Blue
SUPRA, PREVIA
Low coast modulator valve26.4 (1.039) 8.3 (0.327)10.5 Yellow
OTHERS
Low coast modulator valve30.4 (1.197) 8.3 (0.327)10.5 Yellow
Lower valve body
Check valve20.2 (0.796) 12.1 (0.476)6.5 None
Pressure relief valve11.2 (0.441) 6.4 (0.252)7.5 None
1 - 2 shift valve30.8 (1.213) 9.7 (0.382)10.5 Purple
Primary regulator valve62.3 (2.453) 18.6 (0.732)12.5 Purple
SUPRA
Accumulator control valve36.1 (1.421) 8.9 (0.327)14.0 White
OTHERS
Accumulator control valve33.9 (1.335) 8.8 (0.346)12.0 Pink