Contents Wiring diagrams Section: Automatic HVAC System All sections

HVAC System - Control Components: Overhaul Mercury Sable IV

Climate Control Assembly - Electronic Automatic Temperature Control (EATC)

The EATC module, located in the instrument panel, has the following features

  1. a blower speed override control for manual input
  2. a vacuum fluorescent display for displaying set temperature, ambient temperature, function and diagnostic trouble codes (DTCs)
  3. an On-Board Diagnostic (OBD) feature to supply the technician with diagnostic trouble codes (DTCs). These DTCs direct the technician to the inoperative component.