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Mazda CX-5 Service & Repair Manual: Air Intake Control [Full Auto Air Conditioner]

Mazda CX-5 Service & Repair Manual / Engine / Intake / Air Intake Control [Full Auto Air Conditioner]

Purpose

Function

Air intake automatic control

1. Calculates the cabin temperature value based on the ambient temperature and sunlight intensity.

2. Compares the calculated cabin temperature value and current cabin temperature.

3. Determines the air intake mode.


Air intake manual control


Air intake mode

REC switch operation

FRESH

Fixed to FRESH when the FRESH switch is turned on during REC mode

REC

Fixed to REC when the RECIRCULATE switch is turned on during FRESH mode


REC mode control under severe heat

Correction

Construction


Input device

Control part

Output device

  • Recirculate switch (climate control unit)

  • Fresh switch (climate control unit)

  • Defroster switch (climate control unit)

  • Ambient temperature sensor

  • Passenger compartment temperature sensor

  • Solar radiation sensor

  • Refrigerant pressure sensor

  • Climate control unit

  • PCM

  • Instrument cluster

  • Air intake actuator

  • Air intake door


Operation

1. The climate control determines the air intake mode based on the operations of the REC, FRESH, defroster switches and signals from each sensor which changes according to the vehicle environment.

2. The climate control unit drives the air intake actuator according to the result of the air intake mode determination and corrections.


Air Intake Actuator [Manual Air Conditioner]
Purpose The air intake actuator moves the air intake door in the blower unit to switch the air intake port. Function The air intake actuator drives the motor based on the signal ...

Intake Air System Removal/Installation
WARNING: A hot engine and intake air system can cause severe burns. Turn off the engine and wait until they are cool before removing the intake air system. 1. Disconnect the negative ...

Other materials:

Relay And Fuse Block Middle Cover Disassembly/Assembly
1. Insert a tape-wrapped flathead screwdriver into the service hole in the position shown in the figure. 2. While pressing the relay and fuse block middle cover tab in the direction of arrow (1) shown in the figure, pull out the bracket in the direction of arrow (2) to detach the relay a ...

Resistor Inspection [Manual Air Conditioner]
1. Verify that the resistance between the resistor terminals is as shown in the table. If there is any malfunction, replace the resistor. Terminal Resistance (ohm) A—D 0.35—0.41 A—B 0. ...

Clutch Release Cylinder Removal/Installation [C66 M R]
CAUTION: Do not allow clutch fluid to get on a painted surface. Clutch fluid contains properties which can dissolve the paint. If clutch fluid gets on a painted surface, wash it off with water immediately and wipe the area off completely. 1. Remove the front under cover No.2.. ...

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