2.1.5.1. General information

The Mazda 3 cars (GG) are equipped with new engines of a series L. Features of engines of a series L of a privelena are lower:

Fig. 2.53. Scheme of a control system of fuel system of the Mazda 3 car: 1 – PCM block; 2 – ignition coil; 3 – generator; 4 * – the VAD system gate; 5 – air filter; 6 – sensor of a mass consumption of air; 7 * – the executive mechanism of the gate of the VAD system; 8 * – the operating electromagnetic valve of the VAD system; 9 * – the vacuum chamber; 10 * – the backpressure valve of the 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 the VIS system; 16 – the operating electromagnetic Variable tumble valve; 17 * – the executive mechanism of the gate of the VIS system; 18 * – the VIS system gate; 19 – executive mechanism of the gate of the VTCS system; 20 – VTCS system gate; 21 – fuel nozzle; 22 * – the operating oil valve; 23 – sensor of provision of a cam-shaft; 24 – the valve of system of recirculation of the fulfilled gases; 25 – detonation sensor; 26 – 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 – container with absorbent carbon (adsorber); 32 – backpressure 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

– The local network of the CAN controller is used.

– The mechanical fuel system irrevocably of fuel in a tank is used.

– The control system of an admission for improvement of characteristics of the engine in the field of high frequencies of rotation (L3 engine) is used.

– The control system of phases of gas distribution is used for improvement of characteristics of the engine (L3 engine).

– The system of an admission with variable characteristics is used for increase in torque of the engine and efficiency of combustion (L3 engine).

– The control system of injection of fuel carries out correction on absolute pressure in an inlet collector.

– The system has an unregulated corner of an advancing of ignition.

– All connections of fuel-supply lines are equipped with quick-detachable connectors.

– KOEO/KOER self-diagnostics function is used.

– Process of storage of the raw codes is changed.

– MIL signaling device operating mode for a riding cycle of the second type is changed.

Fig. 2.54a. The assembly diagram of a control system of fuel system of the Mazda 3 car with an immobilizer (part 1)

The control system of fuel system of the Mazda 3 car with an immobilizer (fig. 2.54a, 2.54b) 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 – sensor of temperature of cooling liquid; 7 – the sensor of a mass consumption 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 controller (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 the air conditioning system; 22 – cooling system fan relay; 23 – cooling system fan relay; 24 – cooling system fan relay; 25 – cooling system fan relay; 26 – relay of the fuel pump; 27 – spiral; 28 – safety lamp; 29 – ignition switch; 30 – main relay; 31 – L8, LF engines (hot area) and L3; 32 – models with the automatic transmission; 33 – models with the mechanical transmission; 34 – generator; 35 – coolant pressure sensor (average); 36 – sensor of pressure of the hydraulic booster of steering; 37 – fan electric motor; 38 – coolant pressure sensor (high and low); 39 – switch of the air conditioning system; 40 – switch of signals of braking; 41 – neutral switch; 42 – coupling switch; 43 switch of range of the transmission; 44 – turbine sensor of speed; 45 – HOLD switch; 46 – TFT sensor; 47 – oil pressure sensor; 48 – car speed sensor; 49 – ignition coil; 50 – generator; 51 – electromagnetic valve of a purge; 52 – the operating electromagnetic valve of the VAD system; 53 – the valve of system of recirculation of the fulfilled gases; 54 – the operating electromagnetic Variable tumble valve; 55 – the operating electromagnetic valve of the VIS system; 56 – the operating oil valve; 57 – valve case; 58 – braking signal; 59 – L8, LF engines (hot area) and L3; 60 – model with the mechanical transmission; 61 – models with the automatic transmission; 62 – L3 engine

Fig. 2.54b. The assembly diagram of a control system of fuel system of the Mazda 3 car with an immobilizer (part 2 – continuation)

Fig. 2.55a. The assembly diagram of a control system of fuel system of the Mazda 3 car without immobilizer (part 1)

The control system of fuel system of the Mazda 3 car without immobilizer (fig. 2.55a, 2.55b) 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 – sensor of temperature of cooling liquid; 7 – the sensor of a mass consumption 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 controller (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 the air conditioning system; 22 – cooling system fan relay; 23 – cooling system fan relay; 24 – cooling system fan relay; 25 – cooling system fan relay; 26 – relay of the fuel pump; 27 – ignition switch; 28 – main relay; 29 – L8, LF engines (hot area) and L3; 30 – models with the automatic transmission; 31 – generator; 32 – coolant pressure sensor (average); 33 – sensor of pressure of the hydraulic booster of steering; 34 – fan electric motor; 35 – coolant pressure sensor (high and low); 36 – switch of the air conditioning system; 37 – switch of signals of braking; 38 – braking signal; 39 – neutral switch; 40 – coupling switch; 41 – transmission range switch; 42 – entrance/turbine speed sensor; 43 – HOLD switch; 44 – TFT sensor; 45 – oil pressure sensor; 46 – car speed sensor; 47 – oil pressure sensor; 48 – car speed sensor; 48 – generator; 49 – electromagnetic valve of a purge; 50 – the operating electromagnetic valve of the VAD system; 51 – the valve of system of recirculation of the fulfilled gases; 52 – the operating electromagnetic Variable tumble valve; 53 – the operating electromagnetic valve of the VIS system; 54 – the operating oil valve; 55 – valve case; 56 – L8, LF engines (hot area) and L3; 57 – models with the mechanical transmission; 58 – models with the automatic transmission; 59 – L3 engine.

Fig. 2.55b. The assembly diagram of a control system of fuel system of the Mazda 3 car without immobilizer (part 2 – continuation)