Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Electronic Automatic Temperature Control (EATC) Module: Notes
The EATC module is part of the climate control panel, which consists of temperature selection buttons, digital display window, system and rear fan on-off buttons, AUTOMATIC button, blower speed control thumbwheel, and mode control (manual override) buttons.
EATC system can be operated in full automatic mode by pressing AUTOMATIC button, or system can be manually operated by selecting one of following mode control (manual override) buttons: MAX A/C, VENT, PNL-FLR, FLOOR, FLR-DEF and DEF. See Figure.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.