Hyundai Sonata LF Quiz
Heating, Ventilation, and Air Conditioning

Heater and A/C Control Unit (Manual) Repair Procedures

In this manual: Heating, Ventilation, and Air Conditioning
General Information — 9Engine Mechanical System — 90Engine Electrical System — 58Emission Control System — 24Engine Control System/Fuel System — 114Drive Shaft and Axle — 15Suspension System — 35Steering — 19Restraints — 50Brake System — 54Body (Interior and Exterior) — 213Body Electrical System — 241Heating, Ventilation, and Air Conditioning — 56DCT (Dual Clutch Transmission) System — 52
5steps
~30min
2/5difficulty
Done 0 of 5

Replacement

  1. Disconnect the negative (-) battery terminal.
  2. Using a screwdriver or a trim remover, remove the center fascia panel (A).
  3. Disconnect the A/C and heater controller connectors (A).
  4. Remove the heater and A/C control assembly (A) from the center facia panel.
  5. Install in the reverse order of removal.
    • Make sure the connector is properly connected.
    • Replace all damaged clips.

Test yourself

A quick Hyundai Sonata LF quiz: every answer comes with an explanation and a link to the manual page.