Toyota Land Cruiser

FJ60, FJ62 and FJ80 1980-1997 of release

Repair and car operation



Toyota Land Cruiser
+ 1. Maintenance instruction
+ 2. Maintenance
+ 3. Engines
+ 4. Systems of cooling, heating
- 5. Fuel and exhaust systems
   + 5.1. Carburetor engines
   - 5.2. Engines with fuel injection
      5.2.1. Technical characteristics
      5.2.2. Decompression of fuel system
      - 5.2.3. Fuel pump and pressure of fuel
         5.2.3.1. Check of a regulator of pressure of fuel
         5.2.3.2. Main relay of injection and relay of the fuel pump
      5.2.4. Gasoline pipe lines and joints
      5.2.5. Fuel pump
      5.2.6. Fuel level sensor
      5.2.7. Air filter
      5.2.8. Cable of a drive of a butterfly valve
      + 5.2.9. System of electronic injection of fuel (EFI system)
+ 6. System of decrease in toxicity
+ 7. Transmission
+ 8. Brake system
+ 9. Suspension brackets and steering
+ 10. Body
+ 11. Electric equipment
+ 12. Electroschemes




5.2.3. Fuel pump and pressure of fuel

GENERAL INFORMATION

Details of a power-supply circuit of the fuel pump (1988-90)

1. Main relay of system of injection
2. Contact sensor of temperature of liquid
3. Starting nozzle
4. Diagnostic socket
5. Processor block
7. Relay of the fuel pump
8, 9. Oxygen sensor
10. Vacuum valve
11. Sensor of temperature of liquid

Details of a power-supply circuit of the fuel pump (1991-92)

1. Contact sensor of temperature of liquid
2. Starting nozzle
3. Main relay of system of injection
4. Processor block
6. Relay of the fuel pump
7, 8. Oxygen sensor
9. The vacuum valve (with management from the processor block)
10. Sensor of temperature of liquid

Configuration of details of a power-supply circuit of the fuel pump (since 1993)

1. Sensor of temperature of gases of system of a retsirkulyatsiya
2. The vacuum valve (for system of pulse supply of air)
3, 4. The warmed-up sensor of oxygen 1 and 2
5. Vacuum valve of system of a retsirkulyatsiya
6. Resistor
7. Relay of turning on of the fuel pump
8. Relay of a chain of the fuel pump
9. Main relay of system of injection
10, 11. Detonation sensor
12. Temperature sensor
13. The vacuum valve (with management from the processor block)
14. Vacuum valve of system of catching паров gasoline
15. Processor block

Check

FUEL PUMP

PERFORMANCE ORDER
1. Include ignition (the engine not to start).
2. Connect a crossing point conclusions In + and FP on the diagnostic socket.

Prevention

On all cars of 1988-1994 the diagnostic socket differs. Be guided by distributing of the socket specified on the plate which is strengthened under the socket.


3. On cars of 1995 of release food giving on the fuel pump via the diagnostic socket is not provided. On these cars for reading of pressure of fuel it is necessary to start the engine.
4. After a peremykaniye of the specified conclusions to the fuel pump tension moves. In a place under a back seat operation of the pump should be listened, and on a hose from the fuel filter pressure of fuel should be felt.
5. Disconnect a crossing point. Establish a cap on the diagnostic socket.
6. Switch off ignition.
7. If the pump does not work, check a safety lock of the main relay of system of injection (EFI relay) on 15 And.
8. Check a fusible insert of the ignition key on 30 And (AM2 insert, see subsection 11.3).
9. Check the main relay of system of injection (EFI relay) and the relay of the fuel pump.
10. Check tension existence on fuel the pump.
11. Check conducting and sockets.
12. Cars after 1993 it is equipped in addition with the relay of turning on of the fuel pump on which also it is necessary to check tension.

PRESSURE OF FUEL

PERFORMANCE ORDER
1. Performance described below procedure needs a manometer on pressure not less than 3 kgfs/cm2. The tip of a hose should have a banjo type design, i.e. be condensed with a bolt with the internal through channel
2. In the absence of a special manometer, get the ready union of the banjo type, with internal diameter of 12 mm to which the hose with a collar from your manometer approaches.
3. In the absence of the ready union it can be made of a bolt with carving М12х1,25 of mm. Grind off a head of a bolt and drill two openings – one through on the bolt center, and another – on the center across a bolt, being crossed with a longitudinal opening. Screw a nut and a lock-nut, having condensed a carving with a teflon tape.
4. Unscrew a stopper of a jellied mouth of a tank.
5. Be convinced that tension on the battery is not lower than 12 Century.
6. Execute a decompression of fuel system.
7. At existence on an adapter manometer, unscrew a bolt on the distributor and screw an adapter.
8. An adapter made independently, screw, a rka it is shown on a photo.
9. A manometer connect in the following order:

  – in the presence of a "regular" manometer connect it to a special adapter established on the fuel distributor;
  – surely establish new laying on both parties of an adapter;
  – independently made adapter screw in the fuel filter, tighten a lock-nut;
  – attach a hose of a manometer and fix a collar.
10. Wipe the gasoline spilled from the distributor of fuel or from the filter.
11. Put the lever of the selector of automatic transmission in the situation Park, or the gear shifting lever in neutral situation.
12. On all cars of 1988-1994 connect накоротко conclusions In + and FP on the diagnostic socket by means of a special crossing point.

Prevention

On cars of 1995 food giving on the fuel pump via the diagnostic socket is not provided. On these cars for reading of pressure of fuel it is necessary to start the engine.


13. Include ignition (the engine not to start). Consider the indication of pressure and compare it to the standard.
14. If pressure raised, check a return gasoline pipe line. If gasoline passes through a gasoline pipe line, replace a regulator of pressure of fuel.
15. If pressure lowered, press a return gasoline pipe line. If pressure increases, replace a regulator of pressure of fuel. If pressure does not increase, check the highway of supply of fuel, the fuel pump and the fuel filter.
16. Remove a crossing point from the diagnostic socket, or from the socket of the fuel pump.
17. Start the engine.
18. Check pressure of fuel idling, result compare to the standard.
19. If pressure differs from standard, check a vacuum hose and a regulator of pressure of fuel.
20. Stop the engine and be convinced that pressure of fuel remains at level of 1,3 kgfs/cm2 within 5 minutes after a stop. If pressure falls down quicker, the reason can be leak in the fuel pump, a regulator of pressure or in a nozzle.