FixVault

Resistance Test

WARNING: This page is about a different car, the 2017 Kia Niro. However, it is still accessible from the selected car via links, so may be relevant.
  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

    Fig 1: Measuring Resistance Between Terminal 1, 2, 3 Of PTC Heater And Ground Line
    G12336142Courtesy of KIA MOTORS AMERICA, INC.
  4. If the measured resistance is not specification, replace the PTC heater with new one.