1995 TOYOTA SUPRA Service Repair Manual

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Page 1545 of 2543

TOYOTA SUPRA 1995 Service Repair Manual FUEL CUT RPM
FUEL CUT RPM INSPECTION
1. WARM UP ENGINE
Allow the engine to warm up to normal operating tempera-
ture.
2. CONNECT TACHOMETER TO ENGINE
Connect the tester probe of a tachometer to term

Page 1546 of 2543

TOYOTA SUPRA 1995 Service Repair Manual SERVICE SPECIFICATIONS
SERVICE DATA

Fuel pressure
regulator

Fuel pressure at no vacuum

SERVICE SPECIFICATIONS
SERVICE DATA

Fuel pressure
regulator

Fuel pressure at no vacuum

265±304 kPa (2.7±3.1 kgf/cm2, 38±44 psi)
Fuel pump Resistance at 20°C (68°F) 0.2±3.0

Injector

Resistance
Injection volume
Difference between each cylinder
Fuel leakage

13.4±14.2
70±88 cm3 (4.3±5.4 cu in.) per 15 sec.
9 cm
3 (0.5 cu in.) or less
One drop or less per minute

VAF meter

Resistance (THA±E2) at±20°C (±4°F)
at 0°C (32°F)
at 20°C (68°F)
at 40°C (104°F)
at 60°C (140°F)

10±20 k
4±7 k
2±3 k
0.9±1.3 k
0.4±0.7 k

Throttle body

Throttle body fully closed angle
Dashpot setting speed M/T
A/T
Throttle opener setting speed

65
2,600 + 400 rpm
1,800 + 400 rpm
1,500 + 400 rpm

Throttle
position
sensor

Clearance between stop screw and lever
0 mm (0 in.) VTA±E2
0.40 mm (0.016 in.) IDL±E2
0.60 mm (0.024 in.) IDL±E2
Throttle valve fully open VTA±E2
± VC±E2

0.34±6.3 k
0.5 k or less
Infinity
2.4±11.2 k
3.1±7.2 k
IAC valve Resistance B1 (or B2)±Others 18±22 VSV for ACIS Resistance at 20°C (68°F) 38.5±44.5

VSV for Fuel
pressure
control
(California
only)

Resistance at 20°C (68°F)

33±39
VSV for EVAP Resistance at 20°C (68°F) 27±33
VSV for EGR Resistance at 20°C (68°F) 38.5±44.5

ECT sensor

Resistance at ±20°C (±4°F)
at 0°C (32°F)
at 20°C (68°F)
at 40°C (104°F)
at 60°C (140°F)
at 80°C (176°F)

10±20 k
4±7 k
2±3 k
0.9±1.3 k
0.4±0.7 k
0.2±0.4 k

EGR gas
temperature
sensor

Resistance at 50°C (122°F)
at 100°C (212°F)
at 150°C (302°F)

64±97 k
11±16 k
2±4 k

Main heated
oxygen sensor
(California)

Heater coil resistance at 20°C (68°F)

11±16
EG±256± ENGINESFI SYSTEM (2JZ±GE)

Page 1547 of 2543

TOYOTA SUPRA 1995 Service Repair Manual

Sub heated
oxygen sensor
(California
only)

Heater coil resistance

Sub heated
oxygen sensor
(California
only)

Heater coil resistance at 20°C (68°F)

11±16

Fuel cut rpm

Fuel return rpm

1,400 rpm
TORQUE SPECIFICATIONS
Part tightened NVm kgfVcm ftVlbf

Fuel line for union bolt
for flare nut

29
30

300
310

22
22
Fuel pressure regulator x Delivery pipe 8.8 90 78 in.Vlbf
Delivery pipe x Intake manifold 21 210 15
Actuator for ACIS x Air intake chamber 6.8 70 61 in.Vlbf
Fuel inlet pipe x Delivery pipe 41 420 30 Fuel return pipe x Fuel pressure regulator 27 280 20 Air intake chamber stay x Cylinder head 18 185 13
Air intake chamber stay x Air intake chamber

18

185

13
Intake air connector x Air intake chamber

27

270

20
Throttle body bracket x Throttle body

21

210

15
Throttle body bracket x Cylinder head 21 210 15
No.2 vacuum pipe x Intake manifold 27 270 20
EGR pipe x Cylinder head 27 270 20
EGR pipe x EGR valve 64 650 47

Fuel pressure pulsation damper x Fuel pipe support
for SST

41
35

420
350

30
25
Starter x Transmission 39 400 29
Fuel tank band x Body 39 400 29 VAF meter x Air cleaner case 10 100 7 Throttle body x Intake air connector 21 210 15
Vacuum tank x Intake manifold

21

210

15
Brake booster union x Air intake chamber

29

300

22
Air intake chamber x Intake manifold

27

270

20
EGR gas temperature sensor x EGR valve 20 200 14
Knock sensor x Cylinder block 44 450 33
Oxygen sensor (Except California) x Exhaust manifold 20 200 14
Main heated oxygen sensor (California) x Exhaust manifold 44 450 33
Sub heated oxygen sensor (California only) x Center exhaust pipe 20 200 14
± ENGINESFI SYSTEM (2JZ±GE)EG±257

Page 1548 of 2543

TOYOTA SUPRA 1995 Service Repair Manual SFI SYSTEM (2JZ±GTE)
PREPARATION
SST (SPECIAL SERVICE TOOLS)
09205±76030 Cylinder Head Setting Bolt
Tightening Adaptor
09268±41045Injection Measuring Tool Set
(09268±41070)No.4 Union
(90405±09015

Page 1549 of 2543

TOYOTA SUPRA 1995 Service Repair Manual 09990±01000Engine Control Computer Check
Harness ªAº
RECOMMENDED TOOLS
09082±00050 TOYOTA Electrical Tester Set
09200±00010Engine Adjust Kit
09258±00030 Hose Plug SetPlug for vacuum hose, fuel
h

Page 1550 of 2543

TOYOTA SUPRA 1995 Service Repair Manual PRECAUTION
1. Before working on the fuel system, disconnect the
negative (±) terminal cable from the battery.
HINT: Any diagnostic trouble code retained by the computer
will be erased when the negat

Page 1551 of 2543

TOYOTA SUPRA 1995 Service Repair Manual IF VEHICLE IS EQUIPPED WITH MOBILE
RADIO SYSTEM (HAM, CB, ETC.)
If the vehicle is equipped with a mobile communication sys-
tem, refer to the precaution in the IN section.
AIR INDUCTION SYSTEM
1. Sep

Page 1552 of 2543

TOYOTA SUPRA 1995 Service Repair Manual 9. Use SST for inspection or test of the injector or its wiring
connector.
SST 09842±30060
FUEL SYSTEM
1. When disconnecting the high pressure fuel line, a large
amount of gasoline will spill out,

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