Mazda CX-5 Service & Repair Manual: Blower Unit
Purpose
-
The blower unit switches between fresh air and recirculated air (FRESH/REC) and sends airflow into the cabin.
Function
-
Air is blown by the blower motor in the blower unit.
-
The blower unit switches the air intake port to FRESH or REC based on the position of the air intake door.
Construction
-
The blower motor consists of the following parts:
-
Blower motor
-
Air intake door
-
Air intake actuator
-
Air filter
Operation
-
When the blower motor rotates, air is taken in from the outside of the vehicle or the cabin.
-
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
-
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:
Refrigerant Pressure Sensor Inspection [Full Auto Air Conditioner]
1. Install the manifold gauge.
2. Verify the high-pressure side reading of the manifold gauge.
3. Measure the terminal voltage at PCM terminal 2BB, 2AX and 2AJ
4. Using the graph below, measure and verify the terminal voltages at 2AX.
5. Follow the PCM inspection when measuring the other te ...
Auxiliary Jack/Usb Port Inspection
Auxiliary jack inspection
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Upper console.
b. Auxiliary jack/USB port.
3. Connect a commercially-available plug to the external input unit.
4. Verify that the continuity between the external input unit terminal ...
Heated Oxygen Sensor (HO2 S)
Purpose/Function
Detects the oxygen concentration (theoretical air/fuel ratio) in the exhaust
gas as basic information for mainly determining the fuel injection amount and
as information for determining the deterioration of catalytic converter.
Detects the oxygen concentration ( ...
