Kia Optima: Controller / Heater & A/C Control Unit (DATC)

Kia Optima DL3 2019-2025 Service and Repair Manual / Heating, Ventilation and Air Conditioning / Controller / Heater & A/C Control Unit (DATC)

Components and components location

Components

Connector

Pin NO	Funtion	Pin NO	Funtion
1	Ground	9	Ground
2	ILL-	10	-
3	-	11	-
4	-	12	-
5	HTD	13	LIN BUS
6	-	14	ISG B+
7	ILL+	15	IGN2
8	IGN1	16	Battery (+)

Repair procedures

Self Diagnosis

Self-diagnosis process.

•	When operating the self-diagnostics, the below fault(self-diagnostics code) will blink at 0.5 seconds interval on the temperature display settings(driver's side only) and the remaining symbols are OFF .

Fault code display

(1)	Continuance operation : DTC code.

(2)	Continuance operation : DTC code.

(3)	STEP operation. A. Nomal or one fault code is same as a continuance operation. B. DTC code.

Replacement

1.	Disconnect the negative (-) battery terminal.

2.	Using a screwdriver or remover, remove the floor console upper garnish (A).

3.	Loosen the mounting screws and remove the A/C & heater controller unit (A).

4.	Disconnect the A/C & heater control connector (A).

To install, reverse the removal procedure.

•	Make sure the connector are connected in properly.

•	Replace any damaged clips (or pin-type retainers).

Heater & A/C Control Unit (Manual)

Components and components location Components Connector Pin Function [Connector A] Pin NO Funtion Pin NO Funtion ...

Heater Control Unit

Components and components location Components Connector Pin Function [Connector A] Pin NO Funtion Pin NO Funtion ...

Other information:

Kia Optima DL3 2019-2025 Owner's Manual: Headrest (for front seat)

The driver's and front passenger's seats are equipped with a headrest for the occupant's safety and comfort. The headrest not only provides comfort for the driver and front passenger, but also helps protect the head and neck in the event of a rear collision. For maximum effectiveness in case ...

Kia Optima DL3 2019-2025 Owner's Manual: Heating and air conditioning

1. Start the engine. 2. Set the mode to the desired position. For improving the effectiveness of heating and cooling; - Heating: - Cooling: 3. Set the temperature control to the desired position. 4. Set the air intake control to the outside (fresh) air position (if equipped). 5. Set the fa ...