Kia Optima: Heater & A/C Control Unit(Dual). Components and Components Location - Controller. Heater & A/C Control Unit(Manual) - Heating,Ventilation, Air Conditioning - Kia Optima TF 2011-2023 Service ManualKia Optima: Heater & A/C Control Unit(Dual). Components and Components Location

Components

Control Panel

Connector pin function

Connector pin function
Connector
PIN NO.
Function
Connector
PIN NO.
Function
Connector(A)
1
Tail (+)
Connector(A)
25
-
2
Sensor REF (+5V)
26
Ambient Sensor (+)
3
Hazard Signal
27
Incar Sensor (+)
4
ACC
28
Evaporator Sensor (+)
5
Mode Actuator (VENT)
29
ECV (+)
6
Mode Actuator (DEF)
30
ECV (-)
7
Mode Actuator (F/B)
31
Photo Sensor left (-)
8
Intake Actuator (REC)
32
Photo Sensor right (-)
9
Intake Actuator (FRE)
33
HTD
10
Intake Actuator (F/B)
34
Rear Defog S/W
11
Temp Actuator DR (COOL)
35
K – Line
12
Temp Actuator DR (WARM)
36
-
13
Temp Actuator DR (F/B)
37
-
14
Temp Actuator PS (COOL)
38
-
15
Temp Actuator PS (WARM)
39
-
16
Temp Actuator PS (F/B)
40
GND
17
C_Can HIGH
Connector(B)
1
GND
18
C_Can LOW
2
IGN2
19
Detent OUT(-) Signal
3
Blower Motor (+)
20
Rheostat
4
GND
21
Ion Signal
5
FET (GATE)
22
Clean Signal
6
FET (DRAIN F/B)
23
Ionizer Diagnosis
7
IGN1
24
-
8
Battery


Heater & A/C Control Unit(Manual). Repair procedures
Replacement 1. Disconnect the negative (-) battery terminal. 2. Using the screwdriver, remove the side cover (A). 3. Loosen the mounting scre ...

Heater & A/C Control Unit(Dual). Repair procedures
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See also:

Gasoline containing alcohol and methanol
Gasohol, a mixture of gasoline and ethanol (also known as grain alcohol), and gasoline or gasohol containing methanol (also known as wood alcohol) are being marketed along with or instead of leade ...

Disassembly
Universal joint assembly 1. Loosen the bolt (A) and then disconnect the universal joint assembly from the steering column assembly. 2. Reassembly is the reverse of ...

Rear Combination Light Bulb Replacement
1. Using a cross-tip screwdriver, remove the cover. 2. Turn the bulb socket counterclock-wise and remove it from the housing. 3. Push the bulb in, then rotate it one quarter turn counterclockwise ...

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