Mazda 6 since 2002
1. Operation and car maintenance
2. Engine
2.1. General description of new engines of the L8, LF and L3 models
2.1.1. Mechanical part of engines
2.1.2. Mechanism of change of phases of a gazoraspredeleniye
2.1.3. Greasing system
2.1.4. Cooling system
2.1.5. Fuel system
2.1.5.1. General information
2.1.5.2. Admission system
2.1.5.3. The main features of an air line with variable characteristics (VAD) (L3)
2.1.5.4. Executive mechanism of system (VAD) (L3)
2.1.5.5. Electromagnetic valve of system (VAD) (L3)
2.1.5.6. Return valve of system (VAD) (L3)
2.1.5.7. Fuel knot
2.1.5.8. Block of the fuel pump
2.1.6. System of production of the fulfilled gases and system of decrease in toxicity
2.1.7. Electric equipment of engines
2.2. Mechanical part of engines
2.3. Appendix 1
2.4. Appendix 2
2.5. Appendix 3
3. Transmission
4. Running gear
5. Steering mechanism
6. Brake system
7. Onboard electric equipment
8. Body
 






2-1-5-1-obshhie-svedeniya.html

2.1.5.1. General information

Mazda 6 (GG) cars are equipped with new engines of a series L. Features of engines of a series L привелены below:
– The local network of the CAN controler is used.
– The mechanical fuel system irrevocably fuels in a tank is used.
– The control system of an admission for improvement of characteristics of the engine in the field of high frequencies rotations (L3 engine) is used.
– The control system of phases of a gazoraspredeleniye is used for improvement of characteristics of the engine (L3 engine).
– The admission system with variable characteristics is used for increase in a torque of the engine and efficiency combustion (L3 engine).
– The control system of injection of fuel carries out correction on absolute pressure in an inlet collector.
– The system has a noncontrollable corner of an advancing of ignition.
– All connections топливопроводов are equipped with quick-detachable connectors.
– Function of self-diagnostics of KOEO/KOER is used.
– Process of storage of the raw codes is changed.
– The operating mode of a signaling device of MIL for a rideable cycle of the second type is changed.

Fig. 2.53. Scheme of a control system of fuel system of the Mazda 6 car: 1–PCM block; 2–ignition coil; 3–generator; 4*-VAD system zaslonka; 5–air filter; 6–sensor of a mass consumption of air; 7*-executive mechanism of a zaslonka of VAD system; 8*-the operating electromagnetic valve of VAD system; 9*-vacuum chamber; 10*-return valve of VAD system; 11-idling regulator; 12-electromagnetic valve of a purge; 13-sensor of provision of a butterfly valve; 14-sensor of absolute pressure; 15*-the operating electromagnetic valve of VIS system; 16-the operating electromagnetic Variable tumble valve; 17*-executive mechanism of a zaslonka of VIS system; 18*-VIS system zaslonka; 19-executive mechanism of a zaslonka of VTCS system; 20-VTCS system zaslonka; 21-fuel nozzle; 22*-the operating oil valve; 23-sensor of provision of a cam-shaft; 24-the valve of system of a retsirkulyatsiya of the fulfilled gases; 25-detonation sensor; 26-the sensor of temperature of cooling liquid; 27-valve of ventilation of a case; 28-sensor of position of the crankshaft; 29-the sensor of concentration of oxygen with heating (forward); 30-the sensor of concentration of oxygen with heating (back); 31-capacity with absorbent carbon (adsorber); 32-return valve (bilateral); 33-pressure regulator; 34-fuel filter (high pressure); 35-fuel pump; 36-fuel filter (low pressure); 37-fuel tank; 38-gravitational valve; 39-quencher of pulsations; 40-to the PCM block; the Note – *: for L3 engines


Fig. 2.54а. Assembly diagram of a control system of fuel system of the Mazda 6 car with an immobilizer (part 1)


The control system of fuel system of the Mazda 6 car with an immobilizer (fig. 2.54а, 2.54б) contains the following elements: 1–the sensor of concentration of oxygen with heating (forward); 2–the sensor of concentration of oxygen with heating (back); 3–sensor of provision of a butterfly valve; 4–the sensor of absolute pressure in an inlet collector; 5–pressure sensor; 6–the sensor of temperature of cooling liquid; 7–the sensor of a mass expense of air/air temperature on an admission; 8–the air temperature sensor on an admission; 9–the sensor of absolute pressure in an inlet collector; 10-local network of the controler (CAN); 11-detonation sensor; 12-sensor of position of the crankshaft; 13-sensor of provision of a cam-shaft; 14-fuel nozzle No. 1; 15-fuel nozzle No. 2; 16-fuel nozzle No. 3; 17-fuel nozzle No. 4; 18-idling regulator; 19-heater of the sensor of concentration of oxygen (forward); 20-heater of the sensor of concentration of oxygen (back); 21-relay of central air of air; 22-relay of the fan of system of cooling; 23-relay of the fan of system of cooling; 24-relay of the fan of system of cooling; 25-relay of the fan of system of cooling; 26-relay of the fuel pump; 27-spiral; 28-safety lamp; 29-ignition switch; 30-main relay; 31-engines L8, LF (hot area) and L3; 32-models with an automatic transmission; 33-models with a mechanical transmission; 34-generator; 35-sensor of pressure of a coolant (average); 36-sensor of pressure of the hydraulic booster of a steering; 37-fan electric motor; 38-sensor of pressure of a coolant (high and low); 39-switch of central air of air; 40-switch of signals of braking; 41-neutral switch; 42-coupling switch; 43-switch of a range of a transmission; 44-turbine sensor of speed; 45-HOLD switch; 46-TFT sensor; 47-sensor of pressure of oil; 48-sensor of speed of the car; 49-ignition coil; 50-generator; 51-electromagnetic valve of a purge; 52-the operating electromagnetic valve of VAD system; 53-the valve of system of a retsirkulyatsiya of the fulfilled gases; 54-the operating electromagnetic Variable tumble valve; 55-the operating electromagnetic valve of VIS system; 56-the operating oil valve; 57-valve case; 58-braking signal; 59-engines L8, LF (hot area) and L3; 60-model with a mechanical transmission; 61-models with an automatic transmission; 62-L3 engine

Fig. 2.54б. Assembly diagram of a control system of fuel system of the Mazda 6 car with an immobilizer (a part 2 – continuation)


Fig. 2.55а. Assembly diagram of a control system of fuel system of the Mazda 6 car without an immobilizer (part 1)


The control system of fuel system of the Mazda 6 car without an immobilizer (fig. 2.55а, 2.55б) contains the following elements: 1–the sensor of concentration of oxygen with heating (forward); 2–the sensor of concentration of oxygen with heating (back); 3–sensor of provision of a butterfly valve; 4–the sensor of absolute pressure in an inlet collector; 5–pressure sensor; 6–the sensor of temperature of cooling liquid; 7–the sensor of a mass expense of air/air temperature on an admission; 8–the air temperature sensor on an admission; 9–the sensor of absolute pressure in an inlet collector; 10-local network of the controler (CAN); 11-detonation sensor; 12-sensor of position of the crankshaft; 13-sensor of provision of a cam-shaft; 14-fuel nozzle No. 1; 15-fuel nozzle No. 2; 16-fuel nozzle No. 3; 17-fuel nozzle No. 4; 18-idling regulator; 19-heater of the sensor of concentration of oxygen (forward); 20-heater of the sensor of concentration of oxygen (back); 21-relay of central air of air; 22-relay of the fan of system of cooling; 23-relay of the fan of system of cooling; 24-relay of the fan of system of cooling; 25-relay of the fan of system of cooling; 26-relay of the fuel pump; 27-ignition switch; 28-main relay; 29-engines L8, LF (hot area) and L3; 30-models with an automatic transmission; 31-generator; 32-sensor of pressure of a coolant (average); 33-sensor of pressure of the hydraulic booster of a steering; 34-fan electric motor; 35-sensor of pressure of a coolant (high and low); 36-switch of central air of air; 37-switch of signals of braking; 38-braking signal; 39-neutral switch; 40-coupling switch; 41-switch of a range of a transmission; 42-sensor of speed of the entrance/turbine; 43-HOLD switch; 44-TFT sensor; 45-sensor of pressure of oil; 46-sensor of speed of the car; 47-sensor of pressure of oil; 48-sensor of speed of the car; 48-generator; 49-electromagnetic valve of a purge; 50-the operating electromagnetic valve of VAD system; 51-the valve of system of a retsirkulyatsiya of the fulfilled gases; 52-the operating electromagnetic Variable tumble valve; 53-the operating electromagnetic valve of VIS system; 54-the operating oil valve; 55-valve case; 56-engines L8, LF (hot area) and L3; 57-models with a mechanical transmission; 58-models with an automatic transmission; 59-L3 engine.

Fig. 2.55б. Assembly diagram of a control system of fuel system of the Mazda 6 car without an immobilizer (a part 2 – continuation)



Table 2.19 Technical characteristics of fuel system

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2.1.5. Fuel system
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2.1.5.2. Admission system