Inspect Refrigerant System Performance

WARNING: This page is about a different car, the 2024 Mazda CX-90. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Perform the procedure after the refrigerant pressure inspection. (See REFRIGERANT PRESSURE CHECK )
Perform the procedure while the vehicle is not exposed to direct sunlight.

Install a dry-bulb thermometer at the center of the driver-side air vent.

Courtesy of MAZDA MOTORS CORP.

COMPONENT OPERATIONS

Component No.	Refer to
1	Dry-bulb thermometer

Switch the main power ON (READY on).
Prepare the vehicle as follows.
- Engine speed is 1, 500 rpm
- A/C switch: ON
- Air intake mode: REC
- Airflow mode: Vent
- Airflow temperature setting: MAX COLD
- Airflow volume setting: Maximum
- Hood: Open
- All doors and liftgate: Closed
- All door glass: Fully closed
- Active air shutter (with active air shutter): Open
Wait for 8 min after the engine is started.
Record the airflow temperature and ambient air temperature for 2 min.
Verify that the airflow temperature is within the range of the shaded area shown in the figure.

e-SKYACTIV PHEV

Courtesy of MAZDA MOTORS CORP.

COMPONENT OPERATIONS

Component No.	Refer to
1	Center vent
2	Rear vent
3	Airflow temperature (°C {°F})
4	Ambient temperature (°C {°F})

H3T

Courtesy of MAZDA MOTORS CORP.

COMPONENT OPERATIONS

Component No.	Refer to
1	Center vent
2	Rear vent
3	Airflow temperature (°C {°F})
4	Ambient temperature (°C {°F})

If it cannot be verified, inspect the refrigerant system according to the symptom troubleshooting procedure. (Refer to [ SYMPTOM TROUBLESHOOTING - A/C (E-SKYACTIV PHEV) and/or SYMPTOM TROUBLESHOOTING - A/C (EXCEPT E-SKYACTIV PHEV) ] in the appropriate service information )