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

Kia Optima DL3 2019-2023 Service and Repair Manual / Heating, Ventilation and Air Conditioning / Controller / Heater & A/C Control Unit (Manual)

Components and components location

Components

Connector Pin Function

[Connector A]

Pin NO	Funtion	Pin NO	Funtion
1	Battery (+)	21	IGN2
2	ILL+ (TAIL)	22	IGN1
3	Sensor REF (+5V)	23	-
4	Mode Control Actuator Feedback	24	-
5	Temperature Actuator Feedback	25	-
6	Intake Actuator Feedback	26	-
7	EVAP Sensor (+)	27	-
8	AMB Sensor (+)	28	-
9	-	29	CAN High
10	Max Blower signal	30	CAN Low
11	Blower on signal	31	-
12	Temperature Control Actuator (Warm)	32	HTD (Rear Defrost)
13	Temperature Control Actuator (Cool)	33	P_CAN High
14	Intake Actuator (Recirculated Air)	34	P_CAN Low
15	Intake Actuator (Fresh Air)	35	-
16	Mode Control Actuator (Defrost)	36	-
17	Mode Control Actuator (Vent)	37	-
18	Sensor Ground	38	ECV+
19	ILL - (RHEO)	39	ECV- (Ground)
20	Ground	40	Ground

[Connector B]

Pin NO	Funtion	Pin NO	Funtion
1	Low	4	Middle Low
2	Common	5	Middle High
3	Ground	6	High

Repair procedures

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 connectors (A).

To install, reverse the removal procedure.

•	Make sure the connector are connected in properly.

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

Controller

...

Heater & A/C Control Unit (DATC)

Components and components location Components Connector Pin NO Funtion Pin NO Funtion 1 Ground ...

Other information:

Kia Optima DL3 2019-2023 Owner's Manual: Maintenance Under Severe Usage Conditions - Non Turbo Models

The following items must be serviced more frequently on cars normally used under severe driving conditions. Refer to the chart below for the appropriate maintenance intervals. R : Replace I : Inspect and, after inspection, clean, adjust, repair or replace if necessary Severe driving condi ...

Kia Optima DL3 2019-2023 Owner's Manual: All season tires, Summer tires, Snow tires

All season tires Kia specifies all season tires on some models to provide good performance for use all year round, including snowy and icy road conditions. All season tires are identified by ALL SEASON and/or M+S (Mud and Snow) on the tire sidewall. Snow tires have better snow traction than a ...