Hyundai Sonata LF: Controller / Heater & A/C Control Unit (Manual) Repair procedures

Hyundai Sonata LF 2014-2019 Service Manual / Heating, Ventilation and Air Conditioning / Controller / Heater & A/C Control Unit (Manual) Repair procedures

Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Using a screwdriver or remover, remove the center fascia panel (A).

3.
Disconnect the A/C & heater controller connectors (A).

4.
Remove the heater and A/C controller (A) from the center facia panel.

5.
Install in the reverse order of removal.
   
Make sure the connector are connected in properly.
Replace any damaged clips.

    Heater & A/C Control Unit (Manual) Components and Components Location

    C..

    Heater & A/C Control Unit (DATC) Components and Components Location

    C..

    Other information:

    Hyundai Sonata LF 2014-2019 Service Manual: CVVT Oil Control Valve (OCV) Repair procedures


    Inspection 1. Turn the ignition switch OFF. 2. Disconnect the OCV connector. 3. Measure resistance between the OCV terminals 1 and 2. 4. Check that the resistance is within the specification. Specification: Refer to “Specification” Removal 1...

    Hyundai Sonata LF 2014-2019 Service Manual: Troubleshooting


    Troubleshooting SymptomSuspect areaRemedyEngine misfire with abnormal internal lower engine noises.Loose or improperly installed engine flywheel.Repair or replace the flywheel as required.Worn piston rings.(Oil consumption may or may not cause the engine to misfire...

    Categories

    read more

     
    Copyright © 2026 www.hsonatalf.org