1995 TOYOTA SUPRA clutch

SERVICE SPECIFICATIONS
SERVICE DATA
 





Line pressure (wheel locked) Engine idling
D position
R position
AT stall
D position
R position 
 
 
 
 
471±530 kPa 4.8±5.4 kgf/cm2 68±77 psi
686±785 kPa 7.0±8.0 kgf/cm
2 100±114 psi
1,334±1,470 kPa 13.6±15.0 kgf/cm
2 193±213 psi
1,697±2,030 kPa 17.3±20.7 kgf/cm
2 246±294 psi Engine stall revolution D and R position 2,600 +150 rpm 


Time lag N "D position
N "R positionposition 
 Less than 1.2 seconds
Less than 1.5 seconds
 


Engine idle speed
(In N position and air conditioner OFF) 
 650 +50 rpm
 


Drive plate runout Max.
Torque converter clutch runout Max. 
 
0.20 mm 0.0079 in.
0.1 mm 0.004 in.
SHIFT POINT
NORM Mode
Shift positionShifting pointVehicle speed km/h (mph) 
 
 
 
 
 
 
D
 
 
 
 
 
 
 
Throttle valve fully opened 1"2
2"3
3"O/D
O/D"3
3"2
2"1
Throttle valve fully closed 3"O/D
O/D"3
 
 
 
 
 
 
 
62±72 (39±45)
120±129 (75±80)
187±201 (116±125)
181±195 (112±121)
109±117 (68±73)
41±47 (25±29)
29±34 (18±25)
23±28 (14±17)
 
 
 2
 
 
 
Throttle valve fully opened 1"2
*3"2
2"1 
 
 
62±72 (39±45)
135±147 (84±91)
41±47 (25±29)
 L Throttle valve fully opened *2"1 60±66 (37±41)
MANU Mode
 Shift position Shifting point Vehicle speed km/h (mph)
 
 
 
 
 
D
 
 
 
 
 
Throttle valve fully opened 2"3
3"O/D
O/D"3
3"2
Throttle valve fully closed 3"O/D
O/D"3 
 
 
 
 
122±131 (76±81)
194±207 (121±129)
187±201 (116±125)
109±117 (68±73)
181±195 (112±121)
23±28 (14±17)
 2 Throttle valve fully opened *3"2 135±147 (84±91)
 L Throttle valve fully opened *2"1 60±66 (37±41)
* Shift points is the same when the throttle valve is closed as when the throttle valve is opened. AT2±116
± A340E (2JZÐGTE) AUTOMATIC TRANSMISSIONSERVICE SPECIFICATIONS

TORQUE SPECIFICATIONS
 Part tightened NVm kgfVcm ftVlbf
 No.1 vehicle speed sensor 16 160 12
 No.2 vehicle speed sensor 5.4 55 48 in.Vlbf
 O/D direct clutch speed sensor 5.4 55 48 in.Vlbf
 A/T fluid temp. sensor 15 150 11 Valve body 10 100 7 Oil strainer 10 100 7 
 Oil pan
 
 7.4
 
 75
 
 65 in.Vlbf
 Starter 37 380 27
 Rear support X Body 25 260 19
 Torque converter X Drive plate 34 340 25
 Oil cooler union nut 34 350 25
 Oil cooler pipe bracket 10 100 7
 Propeller shaft X Transmission 56 570 41 Propeller shaft X Differential 79 805 58 
 Propeller shaft center support
 
 49
 
 500
 
 36
 Propeller shaft adjusting nut 53 540 39
 Oil pan drain plug 17 175 13
 Drive plate X Torque converter 33 340 25
 Drive plate X Crankshaft 64 650 47
 
 
Transmission X Engine block 14 mm bolt
17 mm bolt 
 
37
72 
 
380
730 
 
27
53
 Park/neutral position switch X Transmission case 16 160 12
 Transmission output flange 123 1,250 90
 Shift control rod X Shift lever 13 130 9 Shift control rod X Park/neutral position switch 16 160 12 
 Exhaust pipe bracket X Transmission housing
 
 37
 
 380
 
 27
 No.2 exhaust pipe X Center exhaust pipe 58 590 43
 Rear center floor crossmember brace X Body 13 130 9
 Heat insulator X Body 5.4 55 48 in.Vlbf
AT2±118± A340E (2JZÐGTE) AUTOMATIC TRANSMISSIONSERVICE SPECIFICATIONS

DIAGNOSTIC TROUBLE CODE
Source voltage drop.
Duty ratio of 100% output to motor
acceleration side.
Voltage abnormality in control switch.
Short in control switch circuit.
Vehicle Speed Sensor Pulse is abnormal.
Actual vehicle speed has dropped by 16 km/h
(10 mph) or more below the set speed.
Speed signal is not input to the ECU while cruise control is set.
Open in actuator motor circuit.
Position sensor detects abnormal voltage.
Position sensor signal value does not change when themotor operates.
Open in magnet clutch circuit for 0.8 sec.
Overcurrent (short) in magnet clutch circuit.
Overcurrent (short) in motor circuit.
Normal
DiagnosisLight Blinking Pattern
CRUISE MAIN IndicatorDTC
HINT: When 2 or more codes are indicated, the lowest numbered code will be displayed first.
(*) When the vehicle speed is reduced on uphill roads, the speed can be set again and driving continued.
(This is not a malfunction.)
± BODY ELECTRICAL SYSTEMBE±167CRUISE CONTROL SYSTEM

Diagnostic Trouble Code Clearance
1. After completing repairs the diagnostic trouble code retained
in memory can be cleared by removing the ECU±B fuse for
10 seconds or more, with the ignition switch off.
2. Check that the normal code is displayed after connecting the
fuse.
DIAGNOSTIC TROUBLE CODE CHART
If a malfunction code is displayed during the diagnostic trouble code check, check the circuit listed for that code
in the table below and proceed to the appropriate page.
 
 Code No.
 
 Circuit Inspection
 
 Page
 
 11, 14
 
  Actuator Motor Circuit.
 
 BE±171
 
 12
 
  Actuator Magnet Clutch Circuit.
 
 BE±172
 
 
 
13
 
 
 
 Actuator Motor Circuit
 Actuator Position Sensor Circuit
 
 
 
BE±171
BE±175
 
 
 
14
 
 
 
 Actuator Motor Circuit
 Actuator Position Sensor Circuit
 
 
 
BE±171
BE±175
 
 21
 
  Speed Sensor Circuit
 
 BE±177
 
 23
 
  Speed Sensor Circuit
 
 BE±177
 
 32, 34 
  Control Switch Circuit. (Cruise Control Switch) 
 BE±197
HINT:
1. If the instruction ºProceed to next circuit inspection shown on matrix chartº is given in the flow chart for
each circuit, proceed to the circuit with the next highest number in the table to continue check.
2. If the trouble still reappears even though there are no abnormalities in any of the other circuits, then check
or replace the cruise control ECU as the last step. BE±168
± BODY ELECTRICAL SYSTEM
CRUISE CONTROL SYSTEM

INPUT SIGNAL CHECK
Output Code
1. (a) For check No.1 No.3
Turn the ignition switch on.
(b) For check No.4
Jack up the vehicle.
Start the engine.
2. Turn the control switch to SET/COAST position or RES/ACC
position and hold it down or up (1).
3. Push the main switch on (2).
4. Check that the CRUISE MAIN indicator light blinks twice or
3 times repeatedly.
5. Turn the SET/COAST switch or RES/ACC position off.
6. Operate each switch as listed in the table below.
7. Read the blinking pattern of the CRUISE MAIN indicator light.
8. After performing the check, turn the main switch off.
HINT: When two or more signals are input to the ECU, only
the lowest±numbered code is displayed.
Turn SET/COAST switch ON.
Turn RES/ACC switch ON.
Turn CANCEL switch ON.
Turn stop light switch ON.
(Depress brake pedal)
Turn parking brake switch ON.
(Pull up the parking brake lever).
Turn neutral start switch OFF.
(Shift to EXCEPT D RANGE).
Turn clutch switch OFF.
(Depress clutch pedal)
Drive at 40 km/h (25 mph) or
higher.
Drive at 40 km/h (25 mph) or
below.
SET/COAST switch circuit is
normal.
RES/ACC switch circuit is
normal.
CANCEL switch circuit is
normal.
Stop light switch circuit is
normal.
Parking brake switch circuit
is normal.
Neutral start switch circuit is
normal.
Clutch switch circuit is
normal.
Speed sensor is normal.
DiagnosisOperation MethodCRUISE MAIN Indicator Light
Blinking Pattern
± BODY ELECTRICAL SYSTEMBE±169CRUISE CONTROL SYSTEM

IN±35BE±171BE±197BE±179BE±182BE±191BE±189BE±177BE±184BE±165IN±30
See page
Inspection Item
Problem
ªCRUISEº Indicator light blinks.
Cruise control system does not set.
Cruse control system does not
operate.
Diagnosis Trouble Code
Indicator light does not light up
Large speed drop when the cruise control switch
turned to SET.
Vehicle speed fluctuates when cruise control
switch turned to SET.
Set speed deviates on high or low side.
Acceleration response is sluggish when cruise
control switch turned to ªACCELº or ªRESUMEº
Cruise control system does not set.
Cruise control system does not operate.
Set speed does not cancel when brake pedal
depressed.
Set speed does not cancel when parking brake
lever pulled.
Cruise control not cancelled, even when
transmission is shifted to EXCEPT D RANGE.
Set speed does not cancel when clutch pedal
depressed.
Set speed does not cancel when cruise control
switch turned to CANCEL.
Vehicles speed does not decrease when cruise
control switch turned to COAST.
Vehicle speed does not accelerate when cruise
control switch turned to ACCEL.
Vehicle speed does not return to memorized
cruise when control switch turned to RESUME.
Speed can be set below about 40 km/h
(25 mph.)
Cruise control does not disengage even at about
40 km/h (25 mph) or less.
Indicator LightCruise Control ECUActuatorMain Switch
(in Control Switch)Control SwitchStop Light SwitchClutch Switch or Park/
Neutral Position SwitchParking Brake SwitchVehicle Speed SensorSpeed Control Cable
FunctionThrottle Position Sensor
(IDL)Wire Harness
Source voltage drop
MATRIX CHART OF PROBLEM SYMPTOMS
The table below will be useful for you in troubleshooting these electrical problems. The most likely causes of
the malfunction are shown in the order of their probability. Inspect each part in the order shown, and replace
the part when it is found to be faulty. BE±170
± BODY ELECTRICAL SYSTEMCRUISE CONTROL SYSTEM

(1)Remove cruise control actuator.
(2)Disconnect actuator connector.
(1)Connect positive (+) lead to terminal 5 and
negative (±) lead to terminal 4 of actuator connector.
(Magnet clutch ON)
(2)When battery positive voltage is applied to each of
the actuator connector terminals check that the con-
trol plate moves smoothly without hesitating.
(3) With the motor rotating as in 2., check that the mo±
tor is stopped by limit switches when the control
plate moves to fully opened or fully closed position.
Replace actuator assembly.
Repair or replace harness or connector.
Check harness and connectors between cruise control ECU and actuator
motor (See page IN±30).
 
 Proceed to next circuit inspection shown on matrix chart (See page BE±170).
However, when diag. trouble code 11, 14, 41 is displayed, check and replace cruise control ECU.
BE±172± BODY ELECTRICAL SYSTEMCRUISE CONTROL SYSTEM

DTC 12 Actuator Magnet Clutch Circuit
CIRCUIT DESCRIPTION
This circuit turns on the magnet clutch inside the actuator during cruise control operation according to the signal
from the ECU. If a malfunction occurs in the actuator or speed sensor, etc. during cruise control, the rotor shaft
between the motor and control plate is released.
When the brake pedal is depressed, the stoplight switch turns on, supplying electrical power to the stoplight.
Power supply to the magnet clutch is mechanically cut and the magnet clutch is turned OFF.
When driving downhill, if the vehicle speed exceeds the set speed by 15 km/h (9 mph), the ECU turns the magnet
clutch OFF. If the vehicle speed later drops to within 10 km/h (6 mph) above the set speed, then cruise control
at the set speed is resumed.
 Code No. Diagnosis Trouble area
 
 
 
 
 
12
 
 
 
 
 
Overcurrent (short) in magnet clutch
circuit.
Open (0.8 sec) in magnet clutch circuit.
 
 
 
 
 
Cruise control magnet clutch.
Harness or connector between ECU and
magnet clutch, magnet clutch and body
ground.
ECU
± BODY ELECTRICAL SYSTEMCRUISE CONTROL SYSTEMBE±173