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.
A/C-Heater Control Module
The A/C-Heater Control Head displays temperature settings and readings on a Vacuum Fluorescent (VF) display panel. The control head contains buttons to select fresh outside air, manually select temperature control and A/C compressor on and off operation. A mode control knob controls manual operation of different modes and FAN control knob regulates blower speeds. Function of both control knobs can be put in automatic operation by depressing them. See Fig 1.
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.