Kia Forte: Heater & A/C Control Unit (Manual) Components

| Connector Pin Function |
| Connector |
No. |
Description |
Connector |
No. |
Description |
| A |
1 |
Ground |
B |
14 |
Intake actuator (Recirculation) |
| 2 |
Middle - High |
15 |
Sensor signal |
||
| 3 |
Middle - Low |
16 |
Ground |
||
| 4 |
High |
17 |
Illumination (+) (Tail) |
||
| 5 |
Common |
18 |
Sensor REF (+5V) |
||
| 6 |
Low |
19 |
Detent OUT (+) |
||
| B |
1 |
Battery (+) |
20 |
Max blower ON signal |
|
| 2 |
IGN 2 |
21 |
Evaporator temperature sensor (+) |
||
| 3 |
IGN 1 |
22 |
Ambient temperature sensor (+) |
||
| 4 |
HTD |
23 |
PTC relay (PTC only) |
||
| 5 |
Rear defog switch |
24 |
ECV (+) (ECV only) |
||
| 6 |
Mode actuator feedback |
25 |
ECV (-) - ground (ECV only) |
||
| 7 |
Temperature control actuator feedback |
26 |
- |
||
| 8 |
Intake actuator feedback |
27 |
C_CAN (High) |
||
| 9 |
Mode control actuator (Vent) |
28 |
C_CAN (Low) |
||
| 10 |
Mode control actuator (Defrost) |
29 |
- |
||
| 11 |
Temperature control actuator (Cool) |
30 |
Blower ON signal to common |
||
| 12 |
Temperature control actuator (Warm) |
31 |
Ground |
||
| 13 |
Intake actuator (Fresh) |
32 |
Illumination (-) (Rheostat) |
Controller
Heater & A/C Control Unit (Manual) ReplacementTowing
If the vehicle needs to be towed, call a professional towing service. Never
tow vehicle with just a rope or chain. It is very dangerous.
Emergency Towing
There are three popula ...
Troubleshooting
Problem Symptoms Table
Before replacing or repairing air conditioning components, first determine
if the malfunction is due to the refrigerant charge, air flow or compressor.
Us ...
Description
EPS (Electronic power steering, Column assist type) system uses an electric
motor to assist the steering force and it is an engine operation independent
steering system.
EPS control modu ...