Kia Rio: Maintenance / Power Train

Other information:

Kia Rio 2017-2023 YB Service Manual: PTC Heater

Description and operation Description The PTC (Positive Temperature Coefficient) heater is installed at the exit or the backside of 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 diesel engine.

Kia Rio 2017-2023 YB Service Manual: Power Mosfet (FATC)

Repair procedures Inspection 1. Turn the ignition switch ON. 2. Manually operate the control switch and measure the voltage of blower motor. 3. Select the control switch to raise voltage until high speed.