Kia Optima: Heater & A/C Control Unit(Dual). Components and Components LocationComponents
| Control Panel |

|
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 proceduresInstallation
Sensor Fit
•
Handle the sensor with
care.
•
Avoid lubricant contact.
...
Rocking the vehicle
If it is necessary to rock the vehicle to free it from snow, sand, or mud, first
turn the steering wheel right and left to clear the area around your front wheels.
Then, shift back and forth betwe ...
Driver Airbag (DAB) Module and Clock Spring. Description and Operation
Description
Driver Airbag (DAB) is installed in the steering wheel and electrically connected
to SRSCM via the clock spring. It protects the driver by deploying the airbag when
frontal crash occu ...