Mazda 3 since 2003
1. Operation and car maintenance
2. Engine
2.1. General description of new engines of the L8, LF and L3 models
2.2. Mechanical part of engines
2.3. Appendix 1
2.4. Appendix 2
2.5. Appendix 3
2.5.1. Control system
2.5.2. Principle of work and purpose of some components of a control system
2.5.3. Codes of malfunctions
2.6. The Z6 engine – a mechanical part
2.7. Greasing system
2.8. Cooling system
2.9. Admission system
2.10. Fuel system
2.11. System of production of the fulfilled gases and system of decrease in toxicity
2.12. Ignition system
2.13. Control system
2.14. Tables
3. Transmission
4. Running gear
5. Steering mechanism
6. Brake system
7. Onboard electric equipment
8. Body
 








2-5-1-sistema-upravleniya.html

2.5.1. Control system

General view of an arrangement of components of a control system of the Mazda 3 car
Fig. 2.226. General view of an arrangement of components of a control system of the Mazda 3 car: 1–the sensor of a mass expense of air/air temperature on an admission; 2–sensor of provision of a butterfly valve; 3–the sensor of absolute pressure in an inlet collector; 4–sensor of provision of a cam-shaft; 5–sensor of position of the crankshaft; 6–the sensor of temperature of cooling liquid; 7–detonation sensor; 8–the sensor of concentration of oxygen with heating (forward, back); 9–sensor of pressure of the hydraulic booster of a steering; 10-coupling switch; 11-neutral switch; 12-switch of a range of a transmission; 13-switch of signals of braking; 14-the operating electromagnetic valve of VAD system; 15-idling regulator; 16-electromagnetic VIC valve; 17-electromagnetic VTCS valve; 18-the operating oil valve; 19-fuel nozzle; 20-ignition coil; 21-purge valve; 22-the valve of system of a retsirkulyatsiya of the fulfilled gases; 23-pressure sensor; 24-LF engines and L8


The general view of an arrangement of components of a control system of the Mazda 3 car is shown on fig. 2.226.

Block diagram of a control system of the Mazda 3 car
Fig. 2.227. Block diagram of a control system of the Mazda 3 car


Block diagram of a control system of the Mazda 3 car (fig. 2.227): 1–the sensor of a mass expense of air/air temperature on an admission; 2–sensor of provision of a butterfly valve; 3–the sensor of absolute pressure in an inlet collector; 4–sensor of provision of a cam-shaft; 5–sensor of position of the crankshaft; 6–the sensor of temperature of cooling liquid; 7–detonation sensor; 8–the sensor of concentration of oxygen with heating (forward, back); 9–sensor of pressure of the hydraulic booster of a steering; 10-sensor of a speedometer of the car; 11-coupling switch; 12-neutral switch; 13-switch of a range of a transmission; 14-switch of signals of braking; 15-switch of central air of air; 16-sensor of pressure of a coolant; 17-generator (P conclusion: generated tension); 18-storage battery; 19-the operating electromagnetic valve of VAD system; 20-idling regulator; 21-electromagnetic VIC valve; 22-electromagnetic VTCS valve; 23-the operating oil valve; 24-fuel nozzle; 25-relay of the fuel pump; 26-ignition coil; 27-purge valve; 28-the valve of system of a retsirkulyatsiya of the fulfilled gases; 29-heater of the sensor of concentration of oxygen (forward, back); 30-relay of central air of air; 31-relay of the fan of system of cooling; 32-generator (conclusion of D: excitement winding); 33-VAD system management; 34-idling regulator; 35-VIC; 36-VTCS; 37-management of the mechanism of change of phases of a gazoraspredeleniye; 38-management of fuel injection; 39-management of the fuel pump; 40-management of an electronic advancing of ignition (ESA); 41-management of a purge; 42-management of a retsirkulyatsiya of the fulfilled gases; 43-management of a heater of the sensor of concentration of oxygen; 44-management of switching off of central air of air; 45-management of the electric fan; 46-management of the generator.

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2.5. Appendix 3
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2.5.2. Principle of work and purpose of some components of a control system