Control Module HVAC: Description and Operation
ELECTRONIC AUTOMATIC TEMPERATURE CONTROLEATC Module
The EATC module:
- is located in the instrument panel.
- has a vacuum fluorescent display for displaying set temperature, airflow direction, blower speed and diagnostic trouble codes (DTCs).
- utilizes an on-board diagnostic (OBD) feature to supply the technician with diagnostic trouble codes (DTCs). These DTCs direct the technician to the inoperative component.
- display will switch between Celsius and Fahrenheit when the instrument cluster display is toggled.