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:
Front Beltline Molding Removal/Installation
CAUTION:
Affix protective tape to the position shown in the figure.
1. Fully open the front door glass.
2. Insert a tape-wrapped flathead screwdriver and then detach clips A in the
direction of arrow (1) shown in the figure.
3. Pull up the front side of front beltline molding ...
Auto Light Sensor
Purpose
The auto light sensor detects the illumination level above and in front of
the vehicle and outputs it to the front body control module (FBCM).
Function
The auto-light sensor uses the upward illumination level sensor to detect
the illumination level above the vehicle ...
Engine Oil Control
Outline
The PCM reduces the oil pump load applied to the engine by controlling the
appropriate engine hydraulic pressure according to the engine operation conditions.
The engine hydraulic pressure switches in two steps. When hydraulic pressure
is not needed, the oil pump dischar ...
