Toyota Land Cruiser 100/Amazon, Lexus LX 470

since 1997 of release

Repair and car operation

Toyota Land Cruiser, Amazon, LX470 Lexus
+ Identification numbers of the car
+ Governing bodies and receptions of safe operation of the car
+ Settings and routine maintenance of the car
+ Engine
+ Systems of cooling of the engine, salon and air conditioning heating
- Power supply system and production of the fulfilled gases
   Sbrasyvaniye of pressure in a power supply system
   Check of serviceability of functioning of the fuel pump, measurement of pressure of fuel
   Check of a condition and replacement of fuel lines and their shtutserny connections
   Removal and installation of a fuel tank
   Cleaning and repair of a fuel tank - general information
   Removal and installation of the fuel pump
   Replacement of the sensor of fuel consumption
   Removal and installation of assembly of an air purifier
   Removal, installation and adjustment of a cable of an accelerator
   System of electronic injection of fuel (EFI) - the general information
   Check of serviceability of functioning of system of electronic injection
   Check of a condition and replacement of components of system of injection
   Release system - the general information
   Removal and installation of nozzles
+ engine Electric equipment
+ Control systems of the engine and decrease in toxicity of the fulfilled gases
+ gear shifting Box
+ Transmission line
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment

Check of serviceability of functioning of the fuel pump, measurement of pressure of fuel

See preventions at the beginning of pressure Sbrasyvaniye's Section in a power supply system.

Scheme of a design of the fuel pump

1 — the Bearing
2 — an electric motor Anchor
3 — Reduktsionny the valve
4 — the Return valve

5 — the Bearing
6 — the Magnet
7 — the Rotor
8 — the pump Case

Check of serviceability of functioning of the fuel pump


1. The scheme of a design of the fuel pump is presented on an illustration above.
2. Connect the scanner to the diagnostic DLC3 socket (address to an accompanying illustration).
3. Include ignition (the engine do not start).
4. Start scanner function «Check of the fuel pump» («Test fuel pump») and follow its instructions.
5. In the absence of the scanner remove a back seat and a carpet (see. The section Removal and installation of a fuel tank), remove the technological hatch and submit on the pump socket a food from the 12-volt accumulator.
6. Check existence of pressure of fuel on an exit from the pump: in a hose pulsations should be felt and fuel murmur should be heard. In this case the assistant listens to operation of the pump at the removed cover of a jellied mouth of a fuel tank.
7. If pressure is absent, check the following components:
   a. Fusible inserts (MAIN2.0L, AM20.3P);
   b. Safety locks (EFI of 15 A, IGN of 7.5 A);
   c. Main relay (EFI)
   d. Fuel pump
   e. ECU
   f. Electroconducting sockets
8. Transfer the ignition key to the situation "Lock".
9. Disconnect from the DLC3 socket the scanner.

Verification of the pressure head characteristic of the fuel pump

For check of pressure of fuel the special manometer with a scale of a wide range and a transitional nozzle for manometer connection to system of injection of cars of the Toyota brand is required.


1. Prepare the special manometer equipped with a connecting hose with the shtutserny socket with a hollow bolt and calculated on measurement of pressure of fuel in a range to 4.2 kgfs/cm 2.
2. For dumping of residual pressure in a fuel tank uncover his jellied mouth.
3. Check level of a charge of the battery, – target tension should make not less than 12 In (see. Head engine Electric equipment).
4. Dump pressure in a power supply system (see. Undressed Sbrasyvaniye pressure in a power supply system).
5. On the fuel highway for connection of a manometer the special union is provided, do not forget to establish sealing washers from both parties of a hollow bolt (address to an accompanying illustration). Tighten a bolt with effort of 29 Nanometers.
6. Attach to the DLC3 socket the scanner. Connect the battery, include ignition.
7. Consider the indication of a manometer and compare it to requirements of Specifications. At excessively high indications check passableness of the line of return of fuel and the fuel filter, in case of need replace a pressure regulator. If pressure in system too little, press a returnable gasoline pipe line, – if pressure rises, replace a regulator, otherwise check a condition of the line of supply of fuel, a gasoline pump and the fuel filter.
8. Start the engine. Measure pressure of fuel on single turns. If the result of measurement falls outside the limits an admissible range (see. Specifications), check a regulator of pressure of fuel and/or injectors.
9. Muffle the engine and make sure that within five minutes the system continues to keep pressure at level not below 1.5 kgfs/cm 2. If pressure falls too quickly, check a regulator, the pump and injectors on existence of signs of development of leaks.
10. Having checked pressure, disconnect a negative wire from the battery and accurately remove a manometer with adapters. Try not to pour fuel.
11. Attach the fuel highway with new sealing rings. Tighten bolts the moment of 29-34 Nanometers.
12. Attach a negative wire to the battery.
13. Get the engine and be convinced of lack of leakages.