Device and repair of Toyota RAV4 SUVs (Toyota RAV) - General information-//

Toyota PAB4-Toyota RAV4
1. Operation of the car
2. Maintenance
3. Engines
4. Cooling systems and conditioning
5. Fuel system and system of production of the fulfilled gases
   General information
   Technical characteristics of system of injection of fuel
   Dropping pressure in fuel system
   General check of fuel system
   Fuel pump
   Fuel pressure regulator
   Fuel level sensor
   Fuel tank
   Case of the air filter
   Accelerator cable
   Electronic system of injection of fuel
   Damper of pulsations of fuel on models since 2001
   Distributive fuel highway and nozzles
   System of production of the fulfilled gases
6. System of ignition
7. The control system and decrease in toxicity of the fulfilled gases
8. Coupling
9. Transmission
10. Driveshaft and shaft of the drive of driving wheels
11. Brake system
12. Suspension bracket
13. Steering and running gear
14. Body
15. Electric equipment
Schemes of electric equipment


Toyota RAV4>> Fuel system and system of production of the fulfilled gases>> General information
The power supply system of the engine consists of the fuel tank, the electric fuel pump, the regulator of pressure of fuel, the block of the EFI relay, the relay of the fuel pump, the distributive fuel highway, nozzles, the air filter and throttle knot and fuel-supply lines. All models are equipped with consecutive electronic system of injection of fuel (Sequential Electronic Fuel Injection system).
The consecutive electronic system of injection of fuel counts quantity and gives fuel to engine cylinders as their work. Nozzles are run by the control unit of the engine (PCM). On the basis of information from various sensors, the PCM block the block operates fuel nozzles, changing the impulse length, i.e. an interval of time when nozzles are open. The amount of fuel constantly changes to provide an optimum ratio for start of the hot or cold engine, warming up, the mode of idling and acceleration. The throttle knot serves only to operate amount of the air given to engine cylinders.
Fuel from the fuel tank to fuel system moves on the metal tubes fixed under the car bottom. The electric fuel pump, the fuel level sensor and the regulator of pressure are located in the fuel tank.
The relay of the fuel pump is operated on two electric chains. On the first chain control is exercised from the control unit of the engine (PCM), and on the second — from the ignition lock. If after inclusion of ignition start of the engine is not carried out, the PCM block will switch-off the relay of the fuel pump through 2 pages. At the following start of the engine, after the first impulse from the sensor of position of the camshaft, the relay turns on the fuel pump.
The system of production of the fulfilled gases consists of a final collector, a reception exhaust pipe, the central and back mufflers and catalytic converter. Catalytic converter carries out purification of the fulfilled gases.