Kia Cee'd: Heater / PTC Heater (Gasoline Engine) Description and operation

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 1. Then heater controller operates PTC relay 2 and PTC relay 3 with an interval of 15 seconds.

However, PTC relay 3 can be operated while battery voltage is above 12.4V.

Operating Condition

PTC heater operates according to the following conditions :

 

PTC Heater (Diesel Engine) Repair procedures

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

PTC Heater (Gasoline Engine) Repair procedures

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

Other information:

Kia Cee'd JD Service Manual: PTC Heater (Gasoline Engine) Repair procedures
Inspection Operating Logic Test (Manual only) Inspect the PTC operation with the confirmation logic below : 1. Entering (1) Set the Floor mode and maximum heating position. (2) ...

Kia Cee'd JD Owners Manual: Tilting the sunroof
When the sunshade is closed If you push the sunroof control lever upward, the sunshade will slide all the way open then the sunroof glass will tilt. To stop the sunroof movement at any point, pull or push the sunroof control lever momentarily. When the sunshade is opened If you push th ...