Kia Forte: Heater / PTC Heater

Kia Forte 2019-2024 (BD) Service Manual / Heating, Ventilation and Air Conditioning / Heater / PTC Heater

Repair procedures

Inspection

Resistance Test

1.	Turn the ignition switch OFF.

2.	Disconnect the PTC heater connector.

Measure the resistance between terminal 1, 2, 3 of PTC heater and ground line.

Resistance : 0.3 - 1.5 Ω

[Diesel]

Pin No.	Function
1	PTC 2
2	Gound
3	PTC 1
4	Gound
5	PTC 3

[Gasoline]

Pin No.	Function
1	-
2	Gound
3	PTC ON(+)
4	-

4.	If the measured resistance is not specification, replace the PTC heater with new one.

Replacement

[Gasoline]

1.	Disconnect the negative (-) battery terminal.

2.	Remove the floor console side cover [LH] (A).

3.	Disconnect the PTC heater connector.

4.	Remove the PTC heater core (A) after loosening the PTC heater mounting screws.

5.	To install, reverse the removal procedure.

[Diesel]

1.	Disconnect the negative (-) battery terminal.

2.	Remove the floor console side cover [LH] (A).

3.	Disconnect the PTC heater connector (A).

4.	Remove the PTC heater core (A) after loosening the PTC heater mounting screws.

5.	To install, reverse the removal procedure.

Heater Core

Repair procedures Replacement 1. Disconnect the negative (-) battery terminal. 2. Remove the heater and blower assembly. (Refer to Heater - &quo ...

Temperature Control Actuator

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