Mazda CX-5 Service & Repair Manual: A/C Unit
Outline
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The A/C unit which integrates the cooling and heater units has been adopted.
Construction
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The A/C unit consists of the following parts.
Operation
Air Mix Door Operation
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The air mix door, installed in the A/C unit, controls HOT or COLD position, depending on the position of the temperature control dial. As a result, airflow distribution changes, and the airflow temperature is controlled.
Airflow Mode Door Operation
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The airflow mode doors move to VENT, BI-LEVEL, HEAT, DEF/HEAT, or DEFROSTER position, depending on the position of the airflow mode selector dial. As a result, airflow mode changes.
Fail-safe
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Function not equipped.
A/C Cut Off Control [Skyactiv G 2.0]
Outline
Controls the A/C operation by switching the A/C relay ON/OFF at the optimal
timing according to engine operation conditions. Acceleration performance and
A/C compressor reliabilit ...
A/C Unit Disassembly/Assembly
1. Disassemble in the order indicated in the table.
CAUTION:
If a non-specified grease is used, it may result in abnormal noise or improper
operation of the links. Apply only the specifie ...
Other materials:
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 ...
Ion Sensor Inspection
DTC Inspection
1. Connect the M-MDS to the DLC?2.
2. Perform the DTC inspection using the M-MDS..
If any DTC related to the ignition coil/ion sensor is present, repair the
malfunctioning location according to the applicable DTC troubleshooting..
Visual Inspection
NOTE:
B ...
Refrigerant Pressure Sensor Inspection [Manual 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 terminals 2BB, 2AX and 2AJ
4. Using the graph below, measure and verify the terminal voltage at 2AX.
5. Follow the PCM inspection when measuring the other ter ...
