Mazda CX-5 Service & Repair Manual: Blower Unit
Purpose
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The blower unit switches between fresh air and recirculated air (FRESH/REC) and sends airflow into the cabin.
Function
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Air is blown by the blower motor in the blower unit.
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The blower unit switches the air intake port to FRESH or REC based on the position of the air intake door.
Construction
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The blower motor consists of the following parts:
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Blower motor
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Air intake door
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Air intake actuator
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Air filter
Operation
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When the blower motor rotates, air is taken in from the outside of the vehicle or the cabin.
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The air taken in flows in the fresh air direction or recirculate direction according to the operation of the air intake link. The air intake port changes by the movement of the air intake door.
Fail-safe
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Function not equipped.
Basic System
Outline
Integrated A/C unit adopted.
Sub-cooling system to multi-flow condenser adopted.
Structural View
Ventilation system
Refrigerant system
Flow Diagram
Ventila ...
Blower Unit Disassembly/Assembly
CAUTION:
Apply only the specified grease to the link. Otherwise abnormal noise or
improper operation may result.
1. Disassemble in the order indicated in the table.
...
Other materials:
Audio Control Switch Operation
When the audio unit is turned on, operation of the audio unit from the steering
wheel is possible.
NOTE
Because the audio unit will be turned off under the following conditions,
the switches will be inoperable.
• When the ignition is switched off.
• When the power button on the audio uni ...
Expansion Valve
Purpose
The expansion valve atomizes liquid refrigerant to facilitate cooling of
the evaporator.
Function
The expansion valve reduces the pressure of liquid refrigerant rapidly to
facilitate vaporization of the atomized refrigerant at the evaporator, and adjusts
the refr ...
Light Bulbs
WARNING
Do not replace the xenon fusion bulbs yourself:
Replacing the xenon fusion bulbs yourself is dangerous. Because the xenon fusion
bulbs require high voltage, you could receive an electric shock if the bulbs are
handled incorrectly. Consult an Authorized Mazda Dealer when the replaceme ...
