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 proceduresInput Speed Sensor. Schematic Diagrams
Circuit Diagram
...
Interior care
Interior general precautions
Prevent caustic solutions such as perfume
and cosmetic oil from contacting
the dashboard because they may cause
damage or discoloration. If they do contact
the da ...
Trunk Lid Open Warning Light
This light remains on
unless the trunk lid is completely closed. ...