Mazda 3 since 2003
1. Operation and maintenance of the car
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
2.5.2.1. Sensor of provision of a cam-shaft (SMR)
2.5.2.2. Sensor of provision of a cam-shaft (ICR)
2.5.2.3. Regulator of idling (IAC)
2.5.2.4. Management of an air duct with variable characteristics (VAD)
2.5.2.5. System of start-up with variable characteristics (VIS)
2.5.2.6. A control system of hashing of air on an admission (VTCS)
2.5.2.7. Control of the mechanism of change of phases of gas distribution
2.5.2.8. Management of fuel injection
2.5.2.9. Management of switching off of the air conditioning system
2.5.2.10. Control of the electric fan
2.5.2.11. Local network of the controller (CAN)
2.5.2.12. System of onboard diagnostics
2.5.3. Codes of malfunctions
2.6. The Z6 engine – a mechanical part
2.7. Lubrication system
2.8. Cooling system
2.9. System of an admission
2.10. Fuel system
2.11. System of production of the fulfilled gases and system of decrease in toxicity
2.12. System of ignition
2.13. Control system
2.14. Tables
3. Transmission
4. Running gear
5. Steering mechanism
6. Brake system
7. Onboard electric equipment
8. Body
 










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2-5-2-10-upravlenie-ehlektricheskim-ventilyatorom.html

2.5.2.10. Control of the electric fan

The PCM block turns on the relay of the fan of the cooling system, No. 1 and No. 2 (with the air conditioning system), except for the following conditions:
– temperature of cooling liquid – is below 100 °C;
– the air conditioning system is switched off (with the air conditioning system).
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2.5.2.9. Management of switching off of the air conditioning system		 following page"
2.5.2.11. Local network of the controller (CAN)