Hyundai Genesis (DH): Air Conditioning System / Compressor Description and Operation
The compressor is the power unit of the A/C system.
It is located on the side of engine block and driven by a V-belt of the engine.
The compressor changes low-pressure and low-temperature refrigerant gas into high-pressure and high-temperature refrigerant gas.
Variable Swash Plate Compressor
The compressor has a swash plate that rotates to reciprocate pistons, which compress refrigerant.
The variable swash plate compressor controls the swash plate
angle to change the refrigerant displacement. It achieves precise
cooling capability control in accordance with vehicle interior and
driving conditions.
The externally controlled variable swash plate compressor
changes the swash plate angle by an ECV (Electric Control Valve) in
accordance with an electrical signal from the heater & A/C control
unit.
This enables stable temperature control and improves driving comfort.
ECV Control Diagram

Replacement
1.
Discharge refrigerant from refrigeration system.
2.
Replace any faulty tubes or hoses.
Cap the open fittings immediately to keep moisture or dirt out of the system.
Components
[Lambda Engine]
1. Center Bolt2. Hub Bolt3. Limiter & Damper Assembly4. Snap Ring5. Pulley6. Compressor Assembly
[Tau Engine]
1.
Other information:
Removal
High Mounted Stop Lamp
1.
Disconnect the negative (-) battery terminal.
2.
Remove the roof trim assembly.
(Refer to Body - "Roof Trim")
3.
Remove the high mounted stop lamp assembly (A) after loosening the mounting screws.
Installation
1.
System Overview
RPAS (Rear Parking Assist System) is an electronic driving
aid that warns the driver to be cautious while parking or driving at low
speed. The sensor uses ultrasonic waves to detect objects within
proximity of the vehicle.
RPAS consists of four RPS sensors which are detecting the
obstacles and transmit the result separat