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

Kia Optima DL3 2019-2025 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).

5.

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 2019-2025 Owner's Manual: Inside rearview mirror


Adjust the rearview mirror so that the center view through the rear window is seen. Make this adjustment before you start driving. Do not place objects in the rear seat or cargo area which would interfere with your vision through the rear window. WARNING - Mirror adjustment Do not adjust the ...

Kia Optima DL3 2019-2025 Owner's Manual: Battery replacement


The transmitter uses a 3 volt lithium battery which will normally last for several years. When replacement is necessary, use the following procedure. 1. Insert a slim tool into the slot and gently pry open the transmitter center cover. 2. Replace the battery with a new battery (CR2032). When ...

Copyright © www.kioptima.com 2017-2025