Auto A/C System Description

Auto A/C System Description

The automatic type air conditioning system (auto A/C) is provided with the function to automatically control the inside air temperature, blower fan speed, air flow outlet direction and air intake position by HVAC control module in addition to functions of the manual type air conditioning system. Once the inside air temperature is set using the temperature selector, HVAC control module automatically controls the inside air temperature at the constant level at all times based on the inside air temperature, outside air temperature, amount of sunlight and engine coolant temperature detected respectively by the inside air temperature sensor, outside air temperature sensor, sunload sensor and ECT sensor. For the electronic control system component location, refer to Locations A/C Control System Component Location.

For the A/C electrical control input / output diagram, refer to Auto A/C Electronic Control Input / Output Diagram Auto A/C Electronic Control Input / Output Diagram.