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:

Diagnosis procedure by using diagnostic device
As manual for diagnosis methods by using diagnosis device, the main contents are as follows: 1. Connect self-diagnosis connector(16pins) located in the lower of driv ...

Seat Heater (Air Ventilation) Inspection
Front Seat Heater (Driver) 1. Check for continuity and measure the resistance between terminals. No. Description No. ...

Troubleshooting
Problem Symptoms Table Use the table below to help you find the cause of the problem. The numbers indicate the priority of the like cause of the problem. Check each part in order. ...