KIA RIO

Since 2000 of release

Repair and car operation



Kia Rio
+ 1.1. Short acquaintance to the car
+ 2. Engines A3E, А5D
+ 3. Greasing system
+ 4. Cooling system
- 5. Fuel system
   5.1. Specifications
   5.2. Elements of fuel system
   5.3. A corner of an advancing of ignition
   5.4. Frequency of rotation of idling
   5.5. The gauge of a measuring instrument of the expense of air
   5.6. The detonation gauge
   5.7. The gauge of position throttle заслонки
   5.8. Check of the main relay
   5.9. Check of the relay of the fuel pump
   5.10. Check of pressure of forward and back warmed gauges of oxygen
   5.11. Check of forward and back warmed gauges of oxygen
   5.12. Pressure removal in fuel system
   5.13. Топливопроводы
   5.14. Activization of fuel system
   5.15. Check of residual pressure in fuel system
   5.16. Check of fuel pipelines
   5.17. Check of fuel atomizers
   5.18. Quick-detachable connections
   5.19. The fuel pump
   5.20. A fuel tank
   5.21. Check of system of ventilation картера (PCV)
   5.22. Check of system of catching of steams of fuel
   5.23. Check of the valve of system of catching of steams of fuel
   5.24. Check of the valve of closing of the canister
+ 6. Ignition system
+ 7. Coupling
+ 8. A transmission
+ 9. Axes and power shafts
+ 10. A suspension bracket
+ 11. Wheels and tyres
+ 12. A steering
+ 13. Brake system
+ 14. A body
+ 15. Air central air
+ 16. The electric equipment







5.2. Elements of fuel system
THE GENERAL DATA

Control and engine management elements

Management of fuel system is carried out by the block of engine management ЕСМ (Engine Control Module). Block ESM spends adjustment of a corner of an advancing of ignition, defines quantity of fuel submitted to the engine, operates system of decrease in toxicity of the fulfilled gases and frequency of rotation of a cranked shaft of the engine idling, and also coupling of the compressor of the conditioner etc. Block ESM changes power setting depending on changing operational modes on the basis of signals from various switches and gauges.

For example, block ESM regulates a corner of an advancing of ignition on the basis of signals of gauges which react to frequency of rotation of a cranked shaft, temperature of a cooling liquid, position throttle заслонки, the transfer included at present, speed of the car etc.

Block ESM regulates frequency of rotation of a cranked shaft of idling on the basis of signals of gauges which react to position throttle заслонки, speed of the car, the transfer included at present etc.

The gauge of a measuring instrument of the expense of air (MAF – Mass Airflow Sensor)

The measuring instrument of the expense of air provides the most direct method to measure engine loading as it measures quantity of air arriving in the engine. Air stream arrives in the engine through a measuring instrument with нагретым and cold the wire elements forming a part of the bridge scheme. The current passing through нагретый a wire element, maintains its constant temperature at constant level, which above, than temperature of air arriving in the engine. The weight of air is defined on a current strength of temperature of a wire element necessary for maintenance. The more a stream of air and, naturally, its cooling, the more size of a signal submitted on block ESM.

The gauge of temperature of a cooling liquid

The gauge of temperature of a cooling liquid supervises temperature of a cooling liquid and on the basis of a signal of the gauge block ESM calculates width of the impulse submitted on atomizers therefore the quantity of fuel of the engine submitted to cylinders changes, and also changes a corner of an advancing of ignition.

On the cold engine block ESM works in a mode of an open loop therefore in engine cylinders moves richer топливовоздушная a mix and frequency of rotation of idling increases. It proceeds before achievement by the engine of normal working temperature.

The gauge of position throttle заслонки (TP – Throttle Position)

The gauge of position throttle заслонки hands over the information on which basis block ESM defines when throttle заслонка it is closed, is completely open or is intermediate positions. The gauge is rigidly connected to shaft throttle заслонки. Depending on position throttle заслонки resistance of the gauge changes. For a food of the gauge from block ESM on it pressure 5 V.Vyhodnoe pressure of the gauge moves changes from 0,25 In at the minimum opening throttle заслонки to 4,7 In at full opening throttle заслонки.

The gauge of an angle of rotation of a cranked shaft (CKP – Crankshaft Position Sensor)

The gauge of an angle of rotation of a cranked shaft hands over to block ESM the information on position of a cranked shaft. On the basis of the information of a target signal of this gauge and a signal of the gauge of position of a camshaft block ESM defines a corner of an advancing of ignition and the cylinder to which it is necessary to submit fuel. In the absence of target signals of the gauge the engine will not be started.

The gauge of position of a camshaft (CMP – Camshaft Position Sensor)

The gauge of position of a camshaft develops impulses on which basis block ESM identifies the first cylinder and time of opening of an atomizer.

The detonation gauge

The detonation gauge reacts to high-frequency fluctuations of the block of cylinders and transforms them to the electric signals which size increases at detonation increase. On the basis of these signals block ESM displaces the moment of ignition towards delay therefore the detonation is eliminated.

The gauge of temperature of air arriving in the engine

The gauge of temperature of air arriving in the engine represents термистор which resistance changes depending on temperature. Block ESM considers a signal of the gauge and corrects width of the impulse submitted on atomizers therefore the quantity of fuel of the engine submitted to cylinders changes, and also changes a corner of an advancing of ignition.

The oxygen gauge

In the car two gauges of oxygen are established. Depending on the oxygen maintenance in the fulfilled gases the oxygen gauge induces pressure from 0 to 1 V.Na the basis of this data the engine management block changes time of opening of atomizers and a fuel parity in топливовоздушной mixes. That there was a full combustion of a gas mixture and in the fulfilled gases there were no harmful substances on 14,7 weight parts of air 1 part of fuel should have.

Both gauges of oxygen are equipped by heaters which maintain temperature of gauges in a certain interval at engine work on all operational modes. Maintenance of certain temperature of the gauge allows system to get into gear and work faster in an idling mode.

The forward gauge of oxygen

The forward gauge of oxygen is located in an exhaust pipe for каталитическим neutralizer and transmits a target signal on which basis block ESM defines the oxygen maintenance in the fulfilled gases. On the basis of this data the engine management block changes time of opening of atomizers.