Number 5 in the picture
it is blocked and needs to be flushed out
Mass Air Flow MAF sensor could be your, problem check that!
1st option is that the air conditioner has ceased and is dead. There is no 2nd option.
In the Daewoo Matiz, the air conditioning system is typically located under the dashboard, near the passenger side. The main components, including the compressor, evaporator, and condenser, are integrated into the vehicle's HVAC (heating, ventilation, and air conditioning) system. The controls for the air conditioning are usually found on the center console, allowing the driver to adjust the temperature and airflow.
Facing the engine, on the left hand side of the air distribution box.
Sepentine-replace tensioner,v-belt, adjust accessory and tighten.
If you take out the wrong fuse on the matiz it activates the air-bag warning light and you need to take it to a dealer to get it reset.
If the heater in your Daewoo Matiz is only blowing out cold air, it could be due to several reasons. Common causes include low coolant levels, a malfunctioning thermostat, or a clogged heater core. Additionally, there may be an issue with the heater control valve or a problem with the heating system's blower motor. Checking the coolant level and ensuring there are no leaks can be a good first step in diagnosing the issue.
You will need to loosen the tensioner pulley. When the tensioner pulley is loose the air conditioning compressor belt will become loose. Put the new belt on and tighten the tensioner pulley.
Replace or tighten the A/C belt. If equipped with a serpentine belt, replace it.
If getting fuel and spark, then need compression and air.