Air From Vents Not Cold Enough (Auto A/C): Notes
WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.
AIR FROM VENTS NOT COLD ENOUGH (AUTO A/C) DESCRIPTION AND POSSIBLE CAUSE
| Troubleshooting item |
Air from vents not cold enough |
| Description |
- Insufficient cooled-airflow even if airflow temperature setting is MAX COLD
- Excessive time required to cool to set temperature
|
| Possible cause |
NOTE:
- If the engine coolant temperature increases due to a cooling system malfunction, the fail-safe function disables the A/C operation.
- Blower unit or air filter blockage
- Drive belt malfunction
- Refrigerant pressure sensor malfunction
- Cooling fan operation malfunction
- Condenser fin blockage
- Expansion valve malfunction
- Insufficient compressor oil
- Poor installation of air mix link and air mix door for A/C unit
- Air mix actuator malfunction
- System piping malfunction
- Gas leakage from connecting area (improper installation, O-ring malfunction)
- Condenser malfunction
- Poor A/C compressor compression
- Evaporative temperature sensor malfunction
- Poor evaporator temperature sensor installation
- Receiver/drier malfunction
|