Kia Forte: Heater / PTC Heater

Kia Forte 2019-2023 (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.

3.

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.

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