Hyundai Sonata: 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
Components Connector [A] Pin NOFunctionPin NOFunction1ILL+ (TAIL)21Detent OUT (+)2Sensor REF (+5V)22HTD3Mode control actuator (Vent)23Rear defog switch4Mode control actuator (Defrost)24C_CAN High5 ...

Heater & A/C Control Unit (DATC) Components and Components Location
Components Connector [A] Pin NOFunctionPin NOFunction1ILL+ (TAIL)21Detent OUT (+)2Sensor REF (+5V)22HTD (Rear defog indicator)3Mode control actuator (Vent)23Rear defog switch4Mode control actuator ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Main Crash Pad Assembly Repair procedures
Replacement     • Put on gloves to protect your hands.     • When prying with a flat-tip screwdriver or use a prying trim tool, wrap it with protective tape, and apply protective tape around the related parts, to prevent damage. • Us ...

Hyundai Sonata LF 2014-2019 Service Manual: Components and Components Location
Components (1) 1. Crash pad assembly2. Crash pad side cover [LH]3. Crash pad side cover [RH]4. Crash pad lower panel Components (2) 1. Main crash pad assembly2. Side def nozzle [LH]3. Side def nozzle [RH]4. Side speaker assembly [LH]5. Side speaker assembly [RH]6. Center speaker assembly7 ...

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