Kia Optima: Inspection - Mode Control Actuator. Repair procedures - Temperature Control Actuator - Heating,Ventilation, Air Conditioning - Kia Optima TF 2011-2026 Service ManualKia Optima: Inspection

1. Ignition "OFF”
2. Disconnect the connector of mode control actuator.
3. Verify that the mode control actuator operates to the defrost mode when connecting 12V to the terminal 3and grounding terminal 7.
4. Verify that the mode control actuator operates to the vent mode when connecting in the reverse.

1. -
2. -
3. Defrost mode
4. Sensor ground
5. Feedback signal
6. 5V(Vcc)
7. Vent mode

5. Check the voltage between terminals 5 and 6.

Specification

Door position
Voltage(4-5)
Error detecting
Max. cooling
0.3 ± 0.15V
Low voltage :0.1V or less
Max. heating
4.7 ± 0.15V
High voltage :4.9V or more

It will feedback current position of actuator to controls.

6. If the measured voltage is not specification, substitute with a known-good mode control actuator and check for proper operation.
7. If the problem is corrected, replace the mode control actuator.

Mode Control Actuator. Repair procedures
...

Replacement
1. Disconnect the negative (-) battery terminal. 2. Using the screwdriver, remove the side cover (A). 3. Loosen the mounting screw and the ...

See also:

Removal
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Tires and wheels
CAUTION When replacing tires, use the same size originally supplied with the vehicle. Using tires of a different size can damage the related parts or make it work irregularly. ...

Changing the engine oil and filter
Have engine oil and filter changed by an authorized Kia dealer according to the Maintenance Schedule at the beginning of this section. WARNING Used engine oil may cause irritation or cancer ...

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