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:
Rain Sensor
Outline
The rain sensor detects the amount of rainfall and calculates the wiper operation
speed, and outputs a windshield wiper control signal to the front body control
module (FBCM) to perform automatic wiper operation (auto wiper system) according
to the amount of rainfall.
...
Mass Air Flow (MAF) Sensor
Purpose/Function
Detects the intake airflow amount introduced into the cylinder as basic information
for mainly determining the fuel injection amount.
Detects the intake airflow amount introduced into the cylinder and inputs
it to the PCM as an intake airflow amount signal.
...
Theft Deterrent Horn Inspection
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Trunk end trim.
b. Rear scuff plate (RH).
c. Trunk side trim (RH).
d. Theft-deterrent horn.
3. Apply battery positive voltage to horn terminal A, and connect the horn retaining
bolt to ground as shown in the f ...
