Kia Sportage: Heater & A/C Control Unit(Full Automatic): Components and Components Location| Component |

| Connector | Pin NO | Function | Connector | Pin NO | Function |
| Connector(A) | 1 | Battery | Connector(B) | 1 | CAN (LOW) |
| 2 | Tail Lamp (ILL+) | 2 | CAN (HIGH) | ||
| 3 | IG2 | 3 | Intake Actuator (F/B) | ||
| 4 | DR Temp Actuator (COOL) | 4 | Mode Actuator (F/B) | ||
| 5 | DR Temp Actuator (WARM) | 5 | PS Temp Actuator (F/B) | ||
| 6 | Detent | 6 | DR Temp Actuator (F/B) | ||
| 7 | Mode Actuator (VENT) | 7 | Diagnosis (Cluster Ion) | ||
| 8 | Mode Actuator (DEF) | 8 | V Ref (+5V) | ||
| 9 | - | 9 | - | ||
| 10 | - | 10 | - | ||
| 11 | - | 11 | ECV IN | ||
| 12 | Rheostat (ILL-) | 12 | GND | ||
| 13 | GND | 13 | HI- Scan(L-line) | ||
| 14 | IG1 | 14 | Evaporator Sensor | ||
| 15 | Ion Signal | 15 | Ambient Sensor | ||
| 16 | Intake Actuator (FRE) | 16 | - | ||
| 17 | Intake Actuator (REC) | 17 | LH Photo (-) | ||
| 18 | Clean Signal | 18 | RH Photo (-) | ||
| 19 | Blower Motor (+) | 19 | - | ||
| 20 | PS Temp Actuator (COOL) | 20 | - | ||
| 21 | PS Temp Actuator (WARM) | 21 | - | ||
| 22 | Power Mosfet (GATE) | 22 | ECV Out | ||
| 23 | Power Mosfet (DRAIN) | | |||
| 24 | HTD(Rear Def Ind.) | ||||
| 25 | Rear Def S/W (Low) | ||||
| 26 | Sensor GND | ||||
Heater & A/C Control Unit(Manual): Repair procedures
Heater & A/C Control Unit(Full Automatic): Repair proceduresTroubleshooting
Troubleshooting
1.
No windows operate from the main switch on the driver''s door.
2.
Driver''s side window does not operate.
3.
Passenger''s side window does not operate. ...
Description and Operation
OBD-II review
1. Overview
The California Air Resources Board (CARB) began regulation of
On Board Diagnostics (OBD) for vehicles sold in California beginning
with the 1988 model year. The first ...