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.
Climate Control System - Vehicles With: Electronic Manual Temperature Control (EMTC) - Overview
Overview
Vehicles With: Electronic Manual Temperature Control (EMTC)
The Electronic Manual Temperature Control (EMTC) system heats or cools the vehicle's interior based on the HVAC control panel selection.
- The control panel selection determines heating or cooling, air distribution and enables blower motor operation.
- The temperature control setting determines the outlet air temperature.
- The blower motor switch varies the blower motor speed.
- During A/C operation, the system reduces the relative humidity of the air inside the vehicle.
- Vehicles equipped with the auto start-stop feature includes a cabin heater coolant pump to help coolant flow to the heater core.
For the HEV equipped with supplemental heating. Refer to: Supplemental Climate Control - System Operation and Component Description .
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.