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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:

Hood
WARNING Always check that the hood is closed and securely locked: A hood that is not closed and securely locked is dangerous as it could fly open while the vehicle is moving and block the driver's vision which could result in a serious accident. Opening the Hood 1. With the vehicle parke ...

Mass Air Flow (MAF) Sensor/Intake Air Temperature (Iat) Sensor No.1 Removal/Installation
NOTE: Because the IAT sensor No.1 is integrated in the MAF sensor, replacing the IAT sensor No.1 includes replacement of the MAF sensor/IAT sensor No.1. 1. Disconnect the negative battery cable.. 2. Disconnect the MAF sensor/IAT sensor No.1 connector. 3. Remove the MAF sensor/IA ...

Glass Antenna Inspection
1. Disconnect the negative battery cable.. 2. Partially peel back the seaming welt. 3. Remove the liftgate upper trim.. 4. Disconnect antenna feeder No.3 connector.. 5. Visually inspect the glass antenna for damage. 6. Verify that the continuity between the glass antenna terminals is as in ...

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