Kia Picanto: Heater / Temperature Control Actuator

Kia Picanto JA 2017-2025 Service & Repair Manual / Heating,Ventilation, Air Conditioning / Heater / Temperature Control Actuator

Components and components location

Component Location

1. Temerature Control Actuator

Description and operation

Description

1.	Heater unit includes mode control actuator and temperature control actuator.

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.	Ignition "OFF"

2.	Disconnect the connector of temperature control actuator.

Verify that the temperature control actuator operates to the hot position when connecting 12V to the terminal 3 and grounding terminal 4.

Verify that the temperature control actuator operates to the cool position when connecting in the reverse.

1. -
2. -
3. Cool Position
4. Hot Position

5. Sensor (+5V)
6. Feedback Signal
7. Sensor Ground

Check the voltage between terminals 6 and 7(Drive).

Door position	Voltage(5-6)	Error detecting
Max. cooling	0.3 ± 0.15V	Low voltage :0.1V or less High voltage :4.9V or more
Max. heating	4.7 ± 0.15V	Low voltage :0.1V or less High voltage :4.9V or more

Replacement

1.	Disconnect the negative (-) battery terminal.

2.	Disconnect the connector (A) and then remove the temperature control actuator (B) after loosening the mounting screws.

3.	Install in the reverse order of removal.

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