Outline
The A/C unit which integrates the cooling and heater units has been adopted.
Construction
The A/C unit consists of the following parts.

Operation
Air Mix Door Operation
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
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
Function not equipped.
A/C Cut Off Control [Skyactiv G 2.0]
A/C Unit Disassembly/AssemblyShift Solenoid No.4 [Fw6 A EL, Fw6 Ax EL]
Purpose/Function
Shift solenoid No.4 adjusts the hydraulic pressure in the high clutch circuit
and the low and reverse brake circuit based on the current demand from the TCM
according to the vehicle conditions.
Construction
Shift solenoid No.4 is installed to the solenoid c ...
Body Sealing [Water Proof And Rust Preventive]
Sealant is applied to the parts where the panels meet and to the hemmed parts
of the door panel and hood panel to provide water proofing and rust proofing.
...
Refrigerant System Service Cautions
Handling Insufficient Refrigerant Level
If an insufficient refrigerant level is detected at troubleshooting, do
not charge (add) the refrigerant. Because an accurate amount of refrigerant
cannot be determined from the pressure indicated on the manifold gauge, never
charge the refrige ...