Automotive HVAC System

Automotive HVAC Systems” offers a complete guide to modern climate control technology, structured to lead technicians from basic refrigeration principles to advanced electronic diagnostics and service.

Key Topics Covered:

  • Fundamentals of Climate Control: Core principles of the refrigeration cycle, heat transfer, and airflow management within the vehicle cabin.
  • Key Components (A/C): In-depth analysis of the compressor, condenser, evaporator, expansion valve (TXV), and orifice tube, including failure diagnosis.
  • Key Components (Heating & Ventilation): Operation of the heater core, blower motor, cabin air filter, and the air distribution plenum.
  • Electronic Control: Detailed breakdown of manual vs. Automatic Climate Control (ACC) systems, including the function of blend doors, actuators, and key sensors (ambient, in-car, sun-load).
  • Diagnostics & Service: Systematic methodology for leak detection, refrigerant handling (recovery, recycling, recharging R134a/R1234yf), performance testing with gauge sets, and diagnosing electrical control faults.