fuel pressure TOYOTA LAND CRUISER 1986 Factory Manual PDF

2004 LAND CRUISER (EWD548U)
218Electronically Controlled Transmission and A/T Indicator
Previous automatic transmissions have selected each gear shift using mechanically controlled throttle hydraulic pressure,
governor hydraulic pressure and lock-up hydraulic pressure. The electronically controlled transmission, however, electrically
controls the line pressure, throttle pressure, lock-up pressure and accumulator pressure etc. through the solenoid valve. The
electronically controlled transmission is a system which precisely controls gear shift timing and lock-up timing in response to
the vehicle's driving conditions and the engine condition detected by various sensors. It makes smooth driving possible by
shift selection for each gear which is the most appropriate to the driving conditions at that time, and by preventing downing,
squat and gear shift shock when starting off.
1. Gear Shift Operation
When driving, the engine warm up condition is input as a signal to TERMINAL THW of the engine control module from the
engine coolant temp. sensor and the vehicle speed signal from vehicle speed sensor is input to TERMINAL SP2+ of the
engine control module. At the same time, the throttle valve opening signal from the throttle position sensor is input to
TERMINALS VTA1 and VTA2 of the engine control module as throttle angle signal.
Based on these signals, the engine control module selects the best shift position for the driving conditions and sends current
to the electronically controlled transmission solenoid.
2. Line Hydraulic Pressure Control
The engine control module adjusts the line hydraulic pressure to the optimal level by controlling TERMINAL SLT+ of the
module according to the engine torque data. This realizes the smooth gear shifting.
3. High Response Gear Shifting Control
The engine control module performs the high response engine torque up control to control the ignition-timing lag as well as
opening the electronic throttle when shifting down. By doing this, the gear shifting is performed in a short period of time.
Moreover, the engine control module uses the orifice switching control, which optimizes the speed of applying and reducing
the hydraulic pressure. And it realizes the fine shifting condition by applying and reducing hydraulic pressure slowly when
the gear shifting shock is important and quickly when the high response is required.
4. Clutch Hydraulic Pressure Control
The engine control module controls the clutch operation in the optimal timing and with the best hydraulic pressure according
to the engine torque data and the number of the clutch revolution
5. Lock-Up and Flexible Lock-Up Control
The engine control module carries out the lock-up control by controlling the TERMINAL SLU+ of the module according to
the shift position, vehicle speed, throttle opening degree and running conditions. The engine control module also steadily
keeps applying the lock-up clutch a delicate slippage to improve the transmission efficiency (Fuel efficiency) of the torque
converter.
6. Stop Light SW Circuit
If the brake pedal is depressed (Stop light SW on) when driving in lock-up condition, a signal is input to TERMINAL STP of
the engine control module. The engine control module operates and cuts the current to the solenoid to release lock-up.
7. Ai-Shift Control
The engine control module judges whether the road is downslope or upslope by detecting the throttle opening degree or the
vehicle's speed. Moreover it can expect the winding roads by detecting the turning condition of the vehicle. The engine
control module keeps unnecessary shifting up from the fourth gear from operating and carries out the automatic shifting
down to the third gear in order to control the vehicle running according to the road conditions. The engine control module
also reads the driver's intention during driving from his (her) accelerating operation and the running conditions of the vehicle.
As a result of that, ideal shifting patters for each driver are automatically selected without any switching operations.
8. Electronically Controlled Transmission Pattern Select SW Circuit
When the electronically controlled transmission pattern select SW is switched to PWR, a signal is input to TERMINAL PWR
of the engine control module. This enables shift-up and shift-down at a higher speed range.
9. Transfer Shift Operation
When the transfer shift lever is moved to L position, a signal is input into TERMINAL L4 of the engine control module.
In addition when the transfer shift lever is moved to N position a signal is input to engine control module TERMINAL TFN.
The engine control module detects the transfer condition through this.
System Outline

2004 LAND CRUISER (EWD548U)
352Combination Meter
SRS
Fuel
Charge
A/T OIL
TEMP
C 11
SB
D 7
SB
C 4
SB
C 7
IX 2 9
SB
E E
SB
D D
EC(
Shielded)
W
J17 J12
O 2C 17 C16
SB
SB
IU4 6IU47
G- W
G- B
4Ie1 Ie13
12
G- W
G- B
M 9
BR
C12(
A)
, C13(
B)
, C14(
C)
, C15(
D)
Center Airbag Sensor AssemblyRheostat Buckle SW LHUART- UART+
(
*2) (
*2)
(
*2) (
*2)
(
*2) (
*2)
Combi nati on Meter
Multi- Display Oil Pressure
SenderJunction
Connector Junction
Connector
V
V V
V1
MAINT
REQD Heat Wire

MA02P-02
- MAINTENANCEOUTSIDE VEHICLE
MA-1
49 Author
: Date
:
2004 LAND CRUISER (RM1071U)
OUTSIDE VEHICLE
GENERAL MAINTENANCE
These are some maintenance and inspection items which are considered to be the owner's responsibility.
They can be done by the owner or they can have them done at a service shop. These items include those
which should be checked on a daily basis, those which, in most cases, do not require (special) tools and
those which are considered to be reasonable for the owner to do. Items and procedures for general mainte-
nance are as follows.
1. GENERAL NOTES

Maintenance items may very from country and country. Check the owner's manual supplement in
which the maintenance schedule is shown.

Every service items in the periodic maintenance schedule must be performed.

Periodic maintenance service must be performed according to whichever interval in the periodic main-
tenance schedule occurs first, the odometer reading (miles) or the time interval (months).

Maintenance service after the last period should be performed at the same time interval as before un-
less otherwise noted.

Failure to do even one item an cause the engine to run poorly and increase exhaust emissions.
2. TIRES
(a) Check the pressure with a gauge. If necessary, adjust.
(b) Check for cuts, damage or excessive wear.
3. WHEEL NUTS
When checking the tires, check the nuts for looseness or for missing nuts. If necessary, tighten them.
4. TIRE ROTATION
Check the owner's manual supplement in which the maintenance schedule is shown.
5. WINDSHIELD WIPER BLADES
Check for wear or cracks whenever they do not wipe clean. If necessary, replace.
6. FLUID LEAKS
(a) Check underneath for leaking fuel, oil, water or other fluid.
(b) If you smell gasoline fumes or notice any leak, have the cause found and corrected.
7. DOORS AND ENGINE HOOD
(a) Check that all doors and the tailgate operate smoothly, and that all larches lock securely.
(b) Check that the engine hood secondary latch secures the hood from opening when the primary latch
is released.

PP0U3-05
- PREPARATIONSFI
PP-9
68 Author
: Date
:
2004 LAND CRUISER (RM1071U)
SFI
SST (Special Service Tools)
09023-12700Union Nut Wrench 17mmFuel line flare nut
09268-41047Injection Measuring Tool Set
(09268-41091)NO.7 Union
(09268-41 110)Adaptor
(09268-41300)Clamp
09268-45014EFI Fuel Pressure Gauge
(09268-41 190)Adaptor
(90405-06167)I Union
09612-24014Steering Gear Housing Overhaul
Tool Set
(09617-2401 1)Steering Rack WrenchFuel pressure pulsation damper
09816-30010Oil Pressure Switch SocketKnock sensor
09842-30070Wiring ºFº EFI Inspection

SS0CB-20
- SERVICE SPECIFICATIONSSFI
SS-1 1
151 Author
: Date
:
2004 LAND CRUISER (RM1071U)
SFI
SERVICE DATA
Fuel pressure
regulatorFuel pressure at no vacuum265 - 304 kPa
(2.7 - 3.1 kgf/cm2, 38 - 44 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
56 - 69 cm3 (3.4 - 4.2 cu in.) per 15 seconds
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)12.5 - 16.9 kW
2.19 - 2.67 kW
0.50 - 0.68 kW
Throttle bodyThrottle body fully closed angle5.5°
Accelerator pedal
position sensorStandard throttle valve opening percentage
Sensor lever full-open position60 % or more
Throttle control
motorMotor resistance at 20°C (68°F)0.3 - 100 W
VSV for EVAPResistance at 20°C (68°F)30 - 34 W
VSV for vapor
pressure sensorResistance at 20°C (68°F)30 - 36 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 source 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
Fuel pump resistarResistance at 20°C (68°F)0.70 - 0.76 W
VSV for CCVResistance at 20°C (68°F)24 - 30 W

SS0CC-19
SS-12
- SERVICE SPECIFICATIONSSFI
152 Author
: Date
:
2004 LAND CRUISER (RM1071U)
TORQUE SPECIFICATION
Part tightenedN´mkgf´cmft´lbf
Fuel line
Union bolt type
Flare nut type for use with SST
39
34
38400
345
38029
25
28
Fuel pressure pulsation damper x Delivery pipe for use with SST33
39340
40024
29
Fuel pressure regulator x RH delivery pipe7.58066 in.´lbf
Fuel tank vent tube set plate x Fuel tank3.53531 in.´lbf
Front fuel pipe x Delivery pipe3940029
Front fuel pipe x Lower intake manifold7.58066 in.´lbf
Fuel return pipe x LH delivery pipe7.58066 in.´lbf
Delivery pipe x Lower intake manifold1818513
Fuel sender gauge x Fuel tank1.51513 in.´lbf
Fuel tank x Body3940029
Drain plug x Fuel tank6.56558 in.´lbf
Fuel tank filler pipe x Fuel tank3.53531 in.´lbf
Cutoff valve cover x Fuel tank1.51513 in.´lbf
Accelerator pedal position sensor x Body5.05144 in.´lbf
Throttle body x Upper intake manifold, Lower intake manifold1818513
Upper intake manifold, Accelerator cable bracket x Lower intake manifold1818513
ECT sensor x Front water bypass joint20.420815
Knock sensor x Cylinder block4545033
Heated oxygen sensor x Exhaust manifold4445032
Heated oxygen sensor x Front exhaust pipe2020014
No.1 rear seat x Body4142030
MAF meter x Air cleaner1.681715 in.´lbf
Fuel pump resistor x Body121228.8

SF0XZ-1 1
B04926
V-Bank Cover
Vacuum Sensing HoseFuel Return Hose
Fuel Pressure Regulator
N´m (kgf´cm, ft´lbf)

Non-reusable part: Specified torque
7.5 (80, 66 in.´lbf)

O-Ring
Fuel Return Hose
Delivery Pipe
SF-16
- SFIFUEL PRESSURE REGULATOR
1715 Author
: Date
:
2004 LAND CRUISER (RM1071U)
FUEL PRESSURE REGULATOR
COMPONENTS

B04906
Install
Turn
SF0Y1-1 1
B04905
SF-18
- SFIFUEL PRESSURE REGULATOR
1717 Author
: Date
:
2004 LAND CRUISER (RM1071U)
INSTALLATION
1. INSTALL FUEL PRESSURE REGULATOR
(a) Apply a light coat of gasoline to a new O-ring, and install
it to the fuel pressure regulator.
(b) While turning the fuel pressure regulator left and right,
install it to the delivery pipe.
(c) Install the fuel pressure regulator with the 2 bolts.
Torque: 7.5 N´m (80 kgf´cm, 66 in.´lbf)
(d) Connect the vacuum sensing hose to the fuel pressure
regulator.
(e) Connect the fuel return hose to the pressure regulator.
2. CHECK FOR FUEL LEAKS (See page SF-1)
3. INSTALL V-BANK COVER

B04905
SF0Y0-08
B04993
- SFIFUEL PRESSURE REGULATOR
SF-17
1716 Author
: Date
:
2004 LAND CRUISER (RM1071U)
REMOVAL
1. REMOVE V-BANK COVER
2. REMOVE FUEL PRESSURE REGULATOR
(a) Disconnect the vacuum sensing hose from the fuel pres-
sure regulator.
(b) Disconnect the fuel return hose from the fuel pressure
regulator.
CAUTION:
Put a shop rag under the fuel pressure regulator.
(c) Remove the 2 bolts, and pull out the pressure regulator.
(d) Remove the O-ring from the fuel pressure regulator.

B16438
Fuel Main Tube
Tube Joint Clip
Fuel Pump & Sender Gauge
Connector
Fuel Tank Vent Tube Set Plate
Fuel Pump and Sender
Gauge Assembly

Gasket
Tube Joint Clip
N´m (kgf´cm, ft´lbf) : Specified torque

Non-reusable part
3.5 (35, 31 in.´lbf)
Vapor Pressure Sensor & Connector
Fuel Return Tube
x 8
Tube Joint Clip
Tube Joint Clip
- SFIFUEL PUMP
SF-1 1
1710 Author
: Date
:
2004 LAND CRUISER (RM1071U)