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:
Air Fuel Ratio (A/F) Sensor Heater Control
Outline
Based on the control of the A/F sensor heater, a stabilized oxygen concentration
is detected even at low exhaust temperatures, and feedback control of fuel injection
even at cold engine start is made possible for improved cold temperature exhaust
emission performance.
...
Start Stop Unit Configuration (Using As Built Data)
NOTE:
If the configuration is performed using As-Built data, the set value of the
personalization function is reset to the initial value (condition when shipped
from factory). Verify the set value with the customer and perform the personalization
function setting after performing th ...
Auto Light Off System
Purpose
The auto light-Off system turns off the TNS or headlights automatically.
The front body control module (FBCM) performs auto light-Off system fail-safe..
Function
The auto light-Off system controls the front body control module (FBCM).
The front body contro ...
