2000 LEXUS GS400 Throttle

IN±42
± INTRODUCTIONTERMS
42 Author: Date:
2000 LEXUS GS300/GS400 (RM718U) HO2S
Heated Oxygen SensorHeated Oxygen Sensor (HO2S)
IACIdle Air ControlIdle Speed Control (ISC)
IATIntake Air TemperatureIntake or Inlet Air Temperature
ICMIgnition Control Module±
IFIIndirect Fuel InjectionIndirect Injection (IDL)
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 Lamp
MSTManifold Surface Temperature±
MVZManifold Vacuum Zone±
NVRAMNon±Volatile Random Access Memory±
O2SOxygen SensorOxygen Sensor, O2 Sensor (O2S)
OBDOn±Board DiagnosticOn±Board Diagnostic System (OBD)
OCOxidation Catalytic ConverterOxidation Catalyst Convert (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 BypassE±ABV
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

± INTRODUCTIONTERMS
IN±43
43 Author: Date:
2000 LEXUS GS300/GS400 (RM718U) TCM
Transmission Control ModuleTransmission ECU, ECT ECU
TPThrottle PositionThrottle Position
TRTransmission Range±
TVVThermal Vacuum ValveBimetallic Vacuum Switching Valve (BVSV)
Thermostatic Vacuum Switching Valve (TVSV)
TWCThree±Way Catalytic Converter
Three±Way Catalytic (TWC)
Manifold Converter
CC
RO
TWC+OCThree±Way + Oxidation Catalytic ConverterCCR + CCo
VA FVolume Air FlowAir Flow Meter
VRVoltage RegulatorVoltage Regulator
VSSVehicle Speed SensorVehicle Speed Sensor
WOTWide Open ThrottleFull Throttle
WU±OCWarm Up Oxidation Catalytic Converter±
WU±TWCWarm Up Three±Way Catalytic Converter±
3GRThird Gear±
4GRFourth Gear±

SS0FK±01
±
SS±11
167 Author: Date:
SFI (2JZ±GE)
SERVICE DATA
Fuel pressure
regulatorFuel pressure301 ± 347 kPa (3.1 ± 3.5 kgf/cm2, 44 ± 50 psi)
Fuel pumpResistance at 20°C (68°F)0.2 ± 3.0 W
InjectorResistance at 20°C (68°F)
Injection volume
Difference between each cylinder
Fuel leakage13.4 ± 14.2 W
60 ± 73 cm3 (3.7 ± 4.5 cu in.) per 15 sec.
13 cm3 (0.8 cu in.) or less
1 drop or less per 12 minutes
MAF meterResistance (THA ± E2) at ±20°C (±4°F)
at 20°C (68°F)
at 60°C (140°F)13.6 ± 18.4kW
2.21 ± 2.69 kW
0.493 ± 0.667 kW
Throttle bodyThrottle body fully closed angle3.5°
Throttle control
motorMotor (M+ ± M±) at 20°C (68°F)
Clutch (CL+ ± CL±) at 20°C (68°F)0.3 ± 100 W
4.2 ± 5.2 W
Throttle position
sensorResistance (VC ± E2) at 20°C (68°F)
Throttle valve opening percentage STD1.2 ± 3.2 kW
15.6 ± 1.2 %
Accelerator pedal
position sensorResistance (VC ± E2) at 20°C (68°F)
Accelerator pedal position voltage STD1.2 ± 3.2 kW
0.3 ± 0.9 V
Camshaft timing
oil control valveResistance at 20°C (68°F)5.5 ± 12 W
VSV for EVAPResistance at 20°C (68°F)33 ± 39 W
VSV for acoustic
control induction
system (ACIS)Resistance at 20°C (68°F)38.5 ± 44.5 W
VSV for vapor
pressure sensorResistance at 20°C (68°F)33 ± 39 W
ECT sensorResistance at ±20°C (±4°F)
0°C (32°F)
20°C (68°F)
40°C (104°F)
60°C (140°F)
80°C (176°F)10 ± 20 kW
4 ± 7 kW
2 ± 3 kW
0.9 ± 1.3 kW
0.4 ± 0.7 kW
0.2 ± 0.4 kW
Vapor pressure
sensorPower sorce voltage4.5 ± 5.5 V
Heated oxygen
sensorHeater coil resistance at 20°C (68°F)11 ± 16 W
Fuel cut rpmFuel return rpm1,000 rpm

SS0FL±05
SS±12
±
168 Author: Date:
TORQUE SPECIFICATION
Part tightenedN´mkgf´cmft´lbf
Fuel line for union bolt
for flare nut (for using SST)29
38 (30)300
387 (310)22
28 (22)
Fuel tank vent tube set plate x Fuel tank3.53631 in.´lbf
Fuel inlet hose x Body9.09080 in.´lbf
Delivery pipe x Intake manifold2121015
Fuel pressure pulsation damper x Fuel pipe support32.532524
Fuel inlet pipe x Intake manifold9.09080 in.´lbf
No.2 vacuum pipe x Intake manifold2121015
Fuel sender gauge x Fuel tank1.51513 in.´lbf
Fuel tank band x Body3940031
MAF meter x Air cleaner10.71098
Throttle body bracket x Throttle body2121015
Throttle body bracket x Cylinder head2121015
Throttle position sensor x Throttle body1.717.515 in.´lbf
Throttle control motor x Throttle body3.737.533 in.´lbf
Throttle control motor cover x Throttle body1.717.515 in.´lbf
Accelerator pedal position sensor x Throttle body3.737.533 in.´lbf
Camshaft timing oil control valve x No.3 camshaft bearing cap8.08071 in.´lbf
No.3 timing belt cover x Cylinder head cover8.08071 in.´lbf
Intake air connector x Air intake chamber2828021
Air intake chamber x Intake manifold2828021
Vacuum control valve set x Intake manifold2121015
ECT sensor x Cylinder head19.620014
Knock sensor x Cylinder block4445033
PS pump rear stay x Manifold stay39.240029
PS pump rear stay x PS pump bracket39.240029
Heated oxygen sensor x Exhaust manifold4545033
Heated oxygen sensor x Front exhaust pipe4545033

SS0FP±01
SS±18
±
174 Author: Date:
TORQUE SPECIFICATION
Part tightenedN´mkgf´cmft´lbf
Spark plug x Cylinder head1818013
Throttle body x Intake air connector2121015
Throttle body bracket x Cylinder head2121015
Throttle body bracket x Throttle body2121015
Throttle body gasket x Intake air connector2121015
Ignition coils and high±tension cord set assembly x Cylinder head8.08071 in.´lbf
PS pump rear stay x Manifold stay39.240029
PS pump rear stay x PS pump bracket39.240029
Camshaft position sensor x Cylinder head9.09080 in.´lbf
Crankshaft position sensor x Oil pump9.09080 in.´lbf

SS0C5±02
SS±42
± SERVICE SPECIFICATIONSAUTOMATIC TRANSMISSION
198 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
AUTOMATIC TRANSMISSION
SERVICE DATA
Line pressure (Wheel locked)
Idling
D position
R position
Stall
D position
R position
395 ± 455 kPa (4.0 ± 4.6 kgf´cm2, 57 ± 65 psi)
0
1,200 ± 1,360 kPa (12.2 ± 13.8 kgf´cm
2, 174 ± 196 psi)
1,655 ± 1,960 kPa (16.9 ± 19.8 kgf´cm2, 240 ± 282 psi)
Engine stall revolution (D position)
1UZ±FE
2JZ±GE
2,250 ± 150 rpm
2,700 ± 150 rpm
Time lag N " D position
N " R positionLess than 1.2 seconds
Less than 1.5 seconds
Engine idle speed (N position and A/C OFF)
1UZ±FE
2JZ±GE
750 ± 50 rpm
700 ± 50 rpm
Drive plate runoutMax.
Torque converter clutch sleeve runout Max.
Torque converter clutch installation (Correct distance) 1UZ±FE
2JZ±GE0.20 mm (0.0079 in.)
0.30 mm (0.0118 in.)
More than 17.1 mm (0.673 in.)
More than 0.1 mm (0.004 in.)
Extension housing oil seal drive in depth from flat end2.0 mm (0.079 in.)
Shift schedule (1UZ±FE / NORM and PWR mode)
Differential gear ratio 3.266
D, 4 position
(Throttle valve fully opened) 1 "2
2 " 3
3 " 4
4 " 5
5 " 4
4 " 3
3 " 2
2 " 1
(Throttle valve fully closed) 4 " 5
5 " 4
3 position
(Throttle valve fully opened) 1 " 2
2 " 3
4 " 3
3 " 2
2 " 1
2 position
(Throttle valve fully opened) 1 " 2
3 " 2
2 " 1
L position
(Throttle valve fully opened) 2 " 1
63 ± 73 km/h (39 ± 45 mph)
93 ± 105 km/h (58 ± 65 mph)
143 ± 161 km/h (89 ± 100 mph)
209 ± 230 km/h (130 ± 143 mph)
202 ± 218 km/h (126 ± 135 mph)
135 ± 148 km/h (84 ± 92 mph)
79 ± 87 km/h (49 ± 54 mph)
42 ± 49 km/h (26 ± 30 mph)
33 ± 39 km/h (21 ± 24 mph)
24 ± 30 km/h (15 ± 19 mph)
63 ± 73 km/h (39 ± 45 mph)
93 ± 105 km/h (58 ± 65 mph)
152 ± 167 km/h (94 ± 104 mph)
79 ± 87 km/h (49 ± 54 mph)
42 ± 49 km/h (26 ± 30 mph)
63 ± 73 km/h (39 ± 45 mph)
103 ± 111 km/h (64 ± 69 mph)
42 ± 49 km/h (26 ± 30 mph)
17 ± 23 km/h (11 ± 14 mph)

± SERVICE SPECIFICATIONSAUTOMATIC TRANSMISSION
SS±43
199 Author: Date:
2000 LEXUS GS300/GS400 (RM718U) Shift schedule (1UZ±FE / SNOW mode)
Differential gear ratio 3.266
D, 4 position
(Throttle valve fully opened) 1 "2
2 " 3
3 " 4
4 " 5
5 " 4
4 " 3
3 " 2
2 " 1
(Throttle valve fully closed) 4 " 5
5 " 4
3 position
(Throttle valve fully opened) 1 " 2
2 " 3
4 " 3
3 " 2
2 " 1
2 position
(Throttle valve fully opened) 1 " 2
3 " 2
2 " 1
L position
(Throttle valve fully opened) 2 " 1
42 ± 56 km/h (26 ± 35 mph)
72 ± 89 km/h (45 ± 55 mph)
109 ± 135 km/h (68 ± 84 mph)
145 ± 174 km/h (90 ± 108 mph)
96 ± 119 km/h (60 ± 74 mph)
47 ± 64 km/h (29 ± 40 mph)
22 ± 32 km/h (17 ± 20 mph)
5 ± 10 km/h (3 ± 6 mph)
33 ± 39 km/h (21 ± 24 mph)
24 ± 30 km/h (15 ± 19 mph)
42 ± 56 km/h (26 ± 35 mph)
72 ± 89 km/h (45 ± 55 mph)
152 ± 167 km/h (94 ± 104 mph)
22 ± 32 km/h (17 ± 20 mph)
5 ± 10 km/h (3 ± 6 mph)
42 ± 56 km/h (26 ± 35 mph)
103 ± 111 km/h (64 ± 69 mph)
5 ± 10 km/h (3 ± 6 mph)
17 ± 23 km/h (11 ± 14 mph)
Shift schedule (2JZ±GE / NORM and PWR mode)
Differential gear ratio 3.916
D, 4 position
(Throttle valve fully opened) 1 "2
2 " 3
3 " 4
4 " 5
5 " 4
4 " 3
3 " 2
2 " 1
(Throttle valve fully closed) 4 " 5
5 " 4
3 position
(Throttle valve fully opened) 1 " 2
2 " 3
4 " 3
3 " 2
2 " 1
2 position
(Throttle valve fully opened) 1 " 2
3 " 2
2 " 1
L position
(Throttle valve fully opened) 2 " 1
53 ± 61 km/h (33 ± 38 mph)
81 ± 91 km/h (50 ± 57 mph)
124 ± 138 km/h (77 ± 86 mph)
177 ± 191 km/h (110 ± 119 mph)
171 ± 182 km/h (106 ± 113 mph)
112 ± 122 km/h (70 ± 76 mph)
63 ± 68 km/h (39 ± 42 mph)
34 ± 39 km/h (21 ± 24 mph)
39 ± 44 km/h (24 ± 27 mph)
22 ± 27 km/h (14 ± 17 mph)
53 ± 61 km/h (33 ± 38 mph)
81 ± 91 km/h (50 ± 57 mph)
129 ± 139 km/h (80 ± 86 mph)
63 ± 68 km/h (39 ± 42 mph)
34 ± 39 km/h (21 ± 24 mph)
53 ± 61 km/h (33 ± 38 mph)
87 ± 93 km/h (54 ± 58 mph)
34 ± 39 km/h (21 ± 24 mph)
16 ± 21 km/h (10 ± 13 mph)

SS±44
± SERVICE SPECIFICATIONSAUTOMATIC TRANSMISSION
200 Author: Date:
2000 LEXUS GS300/GS400 (RM718U) Shift schedule (2JZ±GE / SNOW mode)
Differential gear ratio 3.916
D, 4 position
(Throttle valve fully opened) 1 "2
2 " 3
3 " 4
4 " 5
5 " 4
4 " 3
3 " 2
2 " 1
(Throttle valve fully closed) 4 " 5
5 " 4
3 position
(Throttle valve fully opened) 1 " 2
2 " 3
4 " 3
3 " 2
2 " 1
2 position
(Throttle valve fully opened) 1 " 2
3 " 2
2 " 1
L position
(Throttle valve fully opened) 2 " 1
39 ± 50 km/h (24 ± 31 mph)
62 ± 74 km/h (39 ± 46 mph)
94 ± 112 km/h (58 ± 70 mph)
136 ± 157 km/h (85 ± 98 mph)
77 ± 91 km/h (48 ± 57 mph)
45 ± 55 km/h (28 ± 34 mph)
23 ± 31 km/h (14 ± 19 mph)
4 ± 8 km/h (2 ± 5 mph)
39 ± 44 km/h (24 ± 27 mph)
22 ± 27 km/h (14 ± 17 mph)
39 ± 50 km/h (24 ± 31 mph)
62 ± 74 km/h (39 ± 46 mph)
129 ± 139 km/h (80 ± 86 mph)
23 ± 31 km/h (14 ± 19 mph)
4 ± 8 km/h (2 ± 5 mph)
39 ± 50 km/h (24 ± 31 mph)
87 ± 93 km/h (54 ± 58 mph)
4 ± 8 km/h (2 ± 5 mph)
16 ± 21 km/h (10 ± 13 mph)
Lock±up point (1UZ±FE) (Throttle valve opening 5 %)
5th gear (D position) Lock±up ON
Lock±up OFF
4th gear (4 position) Lock±up ON
Lock±up OFF
58 ± 65 km/h (36 ± 40 mph)
55 ± 61 km/h (34 ± 38 mph)
140 ± 150 km/h (87 ± 93 mph)
133 ± 143 km/h (83 ± 89 mph)
Flex lock±up point (1UZ±FE) (Throttle valve opening 3 %)
D position (When accelerating) Lock±up ON
Lock±up OFF
4 position (When accelerating) Lock±up ON
Lock±up OFF
47 ± 53 km/h (29 ± 33 mph)
45 ± 51 km/h (28 ± 32 mph)
35 ± 41 km/h (22 ± 25 mph)
33 ± 39 km/h (21 ± 24 mph)
Lock±up point (2JZ±GE) (Throttle valve opening 5 %)
5th gear (D position) Lock±up ON
Lock±up OFF
4th gear (4 position) Lock±up ON
Lock±up OFF
56 ± 61 km/h (35 ± 38 mph)
54 ± 60 km/h (34 ± 37 mph)
56 ± 61 km/h (35 ± 38 mph)
54 ± 60 km/h (34 ± 37 mph)