Mazda 3 manuals

Mazda 3 Service Manual: Heater, Ventilation And Air Conditioning

Mazda 3 Service Manual / HVAC / A/C / Heater, Ventilation And Air Conditioning

Abbreviation


A/C

Air Conditioning


Features

Specifications

Full-auto air conditioner

Basic system


Item

Specification

Heating capacity

(kW {kcal/h})

5.630 {4,841}

Cooling capacity

(kW {kcal/h})

5.100 {4,385}

Refrigerant

Type

HFC‐134a

Regular amount

(approx. quantity)

(g {oz})

455505 {16.117.8}

A/C compressor

Type

Swash plate

Discharge capacity

(ml {cc, fl oz})

183 {183, 6.19} (MZR 2.3 DISI Turbo, MZR 2.5)

160 {160, 9.76} (SKYACTIV-G 2.0)

Max. allowable speed

(rpm)

8,000

Lube oil

Type

FD46XG

Sealed volume

(approx. quantity)

(ml {cc, fl oz})

120 {120, 4.06} (MZR 2.3 DISI Turbo, MZR 2.5)

100 {100, 6.10} (SKYACTIV-G 2.0)

Condenser

Type

Multiflow (sub-cooling type)

Radiated heat

(kW {kcal/h})

6.650 {5,718} (MZR 2.5, SKYACTIV-G 2.0)

7.400 {6,363} (MZR 2.3 DISI Turbo)

Receiver/drier capacity

(ml {cc, fl oz})

180 {180, 6.08}

Desiccant

Synthetic zeolite

Expansion valve

Type

External equalizing type

Evaporator

Type

Double‐tank drawn cup

Temperature control

Reheat full air mix type


Control system


Item

Specification

Airflow volume

(during heater operation)

Blower motor

(m3/h)

310

Electricity consumption

(during heater operation)

Blower motor

(W)

251

Airflow volume (during air conditioner operation)

Blower motor

(m3/h)

550

Electricity consumption (during air conditioner

operation)

Blower motor

(W)

290

Magnetic clutch

(W)

48

Magnetic clutch clearance

(mm {in})

0.350.65 {0.0140.025}

Fan type

Blower motor

Sirocco fan

Refrigerant pressure sensor

Type

Capacitance type

Sensor operation

(See REFRIGERANT PRESSURE SENSOR CONSTRUCTION [FULL-AUTO AIR CONDITIONER].)

Sensor

Solar radiation sensor

Photodiode

Ambient temperature sensor

Thermistor

Passenger compartment temperature sensor

Evaporator temperature sensor

Actuator

Air intake actuator

Sliding contact type

Air mix actuator

Potentiometer type

Airflow mode actuator


Manual air conditioner

Basic system


Item

Specification

Heating capacity

(kW {kcal/h})

5.630 {4,841}

Cooling capacity

(kW {kcal/h})

5.100 {4,385}

Refrigerant

Type

HFC‐134a

Regular amount

(approx. quantity)

(g {oz})

455505 {16.117.8}

A/C compressor

Type

Swash plate

Discharge capacity

(ml {cc, fl oz})

183 {183, 6.19} (MZR 2.0, MZR 2.5)

160 {160, 9.76} (SKYACTIV-G 2.0)

Max. allowable speed

(rpm)

8,000

Lube oil

Type

FD46XG

Sealed volume

(approx. quantity)

(ml {cc, fl oz})

120 {120, 4.06} (MZR 2.0, MZR 2.5)

100 {100, 6.10} (SKYACTIV-G 2.0)

Condenser

Type

Multiflow (sub-cooling type)

Radiated heat

(kW {kcal/h})

6.650 {5,718}

Receiver/drier capacity

(ml {cc, fl oz})

180 {180, 6.08}

Desiccant

Synthetic zeolite

Expansion valve

Type

External equalizing type

Evaporator

Type

Double‐tank drawn cup

Temperature control

Reheat full air mix type


Control system


Item

Specification

Airflow volume

(during heater operation)

Blower motor

(m3/h)

310

Electricity consumption

(during heater operation)

Blower motor

(W)

251

Airflow volume (during air conditioner operation)

Blower motor

(m3/h)

550

Electricity consumption (during air conditioner

operation)

Blower motor

(W)

290

Magnetic clutch

(W)

48

Magnetic clutch clearance

(mm {in})

0.350.65 {0.0140.025}

Fan type

Blower motor

Sirocco fan

Refrigerant pressure sensor

Type

Capacitance type

Sensor operation

(See REFRIGERANT PRESSURE SENSOR CONSTRUCTION [MANUAL AIR CONDITIONER].)

Sensor

Evaporator temperature sensor

Thermistor


Fan Switch Inspection [Manual Air Conditioner]
1. Disconnect the negative battery cable.. 2. Remove the following parts: a. Upper panel. b. Shift lever knob (MTX). c. Selector lever knob (ATX). d. Shift panel. e. Side wall. f. Consol ...

Magnetic Clutch Adjustment [Full Auto Air Conditioner]
1. Measure the clearance around the entire circumference between the pressure plate and A/C compressor pulley using a thickness gauge. 2. Verify the clearance. If not within the specif ...

Other materials:

Oil Control Valve (OCV) Removal/Installation [Mzr 2.3 Disi Turbo]
1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Remove the charge air cooler.. 4. Remove the ignition coils.. 5. Disconnect the ventilation hose from the cylinder head cover.. 6. Remove the cylinder head cover.. 7. Remove in the order indicated in the table. ...

Polishing, Touch Up, and Body Repair
To preserve the cosmetic appearance of the body, you can occasionally treat the paint surfaces with an approved polish containing: Very mild abrasive to remove surface contamination without removing or damaging the paint. Filling compounds that fill scratches and reduce their visibilit ...

Topping Up Windshield Washer Fluid
The only reservoir into which you can add fluid is the windshield washer fluid reservoir, which is located behind the front trunk. When the level is low, a message displays on the touchscreen. To top up the washer fluid: Open the hood. Clean around the filler cap before opening it to ...

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