Kia Forte: PTC Heater Description

The PTC (Positive Temperature Coefficient) heater is installed at the exit or the backside of the heater core.

The PTC heater is an electric heater using a PTC element as an auxiliary heating device that supplements deficiency of interior heat source in highly effective gasoline engine. The electric heater heats up the interior by directly heating the air that passes through the heater. The name itself implies that the element has a proportional resistance change sensitive to temperature.

Operation Principle

Heater control outputs a PTC ON signal and operates PTC relay.

Operating Condition

PTC heater operates according to the following conditions :

Auto Defogging Actuator Replacement

1. Disconnect the negative (-) battery terminal. 2. Remove the glove box housing. (Refer to Body -"Glove Box Housing") ...

PTC Heater Inspection

Operating Logic Test (Manual only) Inspect the PTC operation with the confirmation logic below : 1. Entering (1) Set the Floor mode ...

See also:

Removal
1. Turn ignition switch OFF and disconnect the negative (-) battery cable. 2. Remove the smart junction box (Refer to Body Electri ...

Smart Key
Smart Key Code Saving 1. Connect the DLC cable of GDS to the data link connector in driver side crash pad lower panel, turn the power on GDS. ...

Exterior care
Exterior general caution It is very important to follow the label directions when using any chemical cleaner or polish. Read all warning and caution statements that appear on the label. CAUTION - H ...