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)