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 2011-2026 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:

Registering Your Vehicle in a Foreign Country
If you plan to register your vehicle in a foreign country, you should confirm that it conforms to the regulations in that country. Even if you successfully register the vehicle in a foreign countr ...

Underdrive Brake Control Solenoid Valve(UD/B_VFS). Specifications
Specifications Direct control VFS[35R/C]▷ Control type : Normal low type Control Pressure kpa(kgf/cm², psi) 500.14~9.81(5.1~0.1,72.54~1.42) Curren ...

Installation
1. Remove the ignition key from the vehicle. 2. Disconnect the battery negative cable and wait for at least three minutes. 3. Install the seat belt ...

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