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8.5. Conditioner and heater

Coolant
 Security measures at service
Air filter
Block of the air conditioning system
Evaporator
Broad valve
Condenser
Check of a radiator of a heater
Removal and installation of a back air duct
Removal and installation of the compressor of the air conditioning system
Dismantling and assembly of the obgonny coupling
 Removal of a bolt of the obgonny coupling
Adjustment of the obgonny coupling
Check of the obgonny coupling
Removal and installation of the condenser
 Removal
 Installation
Check of the condenser
Removal and installation of lines of coolant (LF)
 Removal
 Separation of the isolating joint
 Installation



The Mazda 3 cars are equipped with the computer-controlled air conditioning system. In air conditioning system the full-line aluminum radiator of a heater with rectilinear circulation is used. Efficiency of heat exchange is increased due to use of the additional evaporator.

Fig. 8.60. Conditioner and heater of the Mazda 3 car: 1 – block of the air conditioning system; 2 – air filter; 3 – main draft of the mode of an intake of air; 4 – back air duct; 5 – compressor of the air conditioning system; 6 – condenser; 7 – heater radiator hose; 8 – line of coolant


The electronic control unit of the conditioner has self-diagnostics function. Failure in system registers in memory of a diagnostic code of malfunction, at the same time the indicator of the switch of the conditioner works in the flashing mode.