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:

Engine Removal/Installation [Mzr 2.0, Mzr 2.5]
WARNING: Fuel vapor is hazardous. It can very easily ignite, causing serious injury and damage. Always keep sparks and flames away from fuel. Fuel line spills and leakage are dangerous. Fuel can ignite and cause serious injuries or death and damage. Fuel can also irritate skin ...

Variable Intake Air Solenoid Valve Inspection [Mzr 2.0, Mzr 2.5]
Airflow Inspection 1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Remove the variable intake air solenoid valve.. 4. Inspect airflow between the ports under the following conditions. If not as specified, replace the variable intake air solenoid val ...

Cowl Grille Removal/Installation
1. Remove the windshield wiper arm and blade.. 2. Remove the fastener A. 3. Pull the front fender molding in the direction of the arrow shown in the figure and remove it while remove the tab B and tab C. 4. Disconnect the windshield washer hose from the joint pipe A.. 5. Remove the fas ...

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