Kia Rio: Heater / Temperature Control Actuator
Description and operation
| Description |
The heater unit includes mode control actuator and temperature control actuator.
The temperature control actuator is located at the heater unit. It regulates the temperature by the procedure as follows. Signal from control unit adjusts position of temperature door by operating temperature switch and then temperature will be regulated by the hot/cold air ratio decided by position of temperature door.
Repair procedures
| Inspection |
| 1. |
Turn the ignition switch OFF. |
| 2. |
Disconnect the temperature control actuator connector. |
| 3. |
Verify that the temperature control actuator operates to the warm (LHD) or cool (RHD) position when connecting 12V to the terminal 3 and grounding terminal 4. Verify that the temperature control actuator operates to the cool (LHD) or warm (RHD) position when connecting in the reverse.
|
| 4. |
Connect the temperature control actuator connector. |
| 5. |
Turn the ignition switch ON. |
| 6. |
Check the voltage between terminal 6 and 5 (LHD) or 7 (RHD). Specification
It will feedback current position of actuator to controls. |
| 7. |
If the measured voltage is not specification, substitute with a known-good temperature control actuator and check for proper operation. |
| 8. |
If the problem is corrected, replace the temperature control actuator. |
| Replacement |
| 1. |
Disconnect the negative (-) battery terminal. |
| 2. |
Remove the driver side shower duct (A) after loosening the screw.
|
| 3. |
Disconnect the connector (A) and then remove the temperature control actuator (B) after loosening the mounting screws.
|
| 4. |
Installation is the reverse order of removal. |
Heater Unit
Components and components location
Component Location
Components
1. Heater pipe cover
2. Heater core
3. Mode control actuator
4. Mode control a ...
Mode Control Actuator
Description and operation
Description
The mode control actuator is located at the heater unit.
It adjusts position of mode door by operating mode control actuator based on
signal of ...
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